Audi Q4 e-tron vs. Mercedes-Benz EQA: Complete comparison 2026

The Audi Q4 e-tron, sometimes also referred to as the Audi e-tron Q4 and also available in the more aerodynamic Sportback body style, is a premium all-electric SUV built on the dedicated MEB platform. Its direct challenger is the Mercedes-Benz EQA, a luxury compact electric crossover that is technically and visually closely related to the conventional GLA model and serves as the entry point into the world of electromobility for the Stuttgart-based brand. The following comparison will map out the key differences in technical specifications, range, spaciousness, and overall build quality in detail to help you decide between these two attractive representatives of German electric vehicles.

When you place the Audi Q4 e-tron and the Mercedes-Benz EQA side by side, the first difference you'll notice is in the overall proportions. While the Mercedes EQA feels more like a compact city crossover (based on its sister model, the GLA), the Audi Q4 e-tron has positioned itself from the start as a more robust family SUV. In terms of numbers, the Audi is a significant 125 mm longer and 31 mm wider. This difference manifests on the road with a more muscular and dominant appearance, but above all, it brings significant advantages for usable interior space.

A key parameter for longitudinal spaciousness in the cabin is the wheelbase. Here, Audi offers 2764 mm, which is 35 mm more than the Mercedes. Because the Q4 e-tron has used a dedicated electric platform (MEB) from the start, it can extract the absolute maximum for the occupants from these exterior dimensions, especially in terms of rear-seat legroom. Conversely, the Mercedes EQA, which uses a modified platform originally designed for internal combustion engines, scores primarily with its more compact exterior dimensions. With a length of just under 4.5 meters and a narrower body, it is noticeably easier to maneuver and park in tight city streets or underground garages.

The height of both models is very similar, ensuring the popular higher seating position and good visibility from the vehicle. However, Audi also offers its body in the Sportback variant, which, with a height of 1614 mm, slopes slightly towards the rear, giving the car a more aerodynamic and sporty flair. The choice between these two models from the perspective of exterior dimensions thus depends on whether you prefer maximum interior space for family trips, which Audi undoubtedly offers, or if you prefer easier navigation through the urban jungle in a slightly smaller and more agile package from Mercedes.

When choosing a family electric SUV, luggage capacity plays a key role because it directly affects daily practicality and usability for longer trips. In a direct comparison of the Audi Q4 e-tron and Mercedes-Benz EQA models from 2021 to 2023, we encounter fundamental differences stemming from the different designs of the two vehicles. While the Audi is built from the ground up on a dedicated electric platform (MEB) for maximum interior space utilization, the Mercedes-Benz EQA is based on a platform originally intended for models with internal combustion engines (specifically from its sister model, the GLA). The placement of large batteries under the trunk floor in the Mercedes thus takes its toll and significantly cuts into the available liters, which can be a deciding factor for families looking for maximum transport capacity.

Looking at the specific numbers, Audi's dominance is quite clear. The standard version of the Audi Q4 e-tron in the classic SUV shape offers a very generous 520 liters in its basic configuration. The brand also sells a design variant, the Q4 Sportback e-tron, with a sloping coupe-style roof, which on paper provides as much as 535 liters (measured up to the parcel shelf). In contrast, the Mercedes-Benz EQA has a luggage capacity of only 340 liters – regardless of whether you choose the front-wheel-drive version or the 4MATIC all-wheel drive. This is a vast difference of at least 180 liters in favor of Audi. In practice, this means that while the Mercedes is perfectly adequate for weekend shopping or carrying sports bags, the Audi easily swallows space for several extra suitcases and a stroller, making it an ideal companion even for longer family vacations. It is also important to mention that unfortunately, neither of these models offers a front trunk (so-called frunk) for storing charging cables, but both cars account for them with space under the main trunk floor.

After fully folding down the rear seats, the differences between the two vehicles blur slightly, yet Audi still maintains a very comfortable lead. The classic Audi Q4 e-tron SUV can offer a maximum capacity of up to 1,490 liters, while the more elegant Sportback version provides 1,460 liters (where the sloping roof already has a negative impact when loading boxes). The Mercedes-Benz EQA reaches 1,320 liters in this discipline. While this volume is sufficient for the occasional moving of smaller pieces of furniture or sports equipment in the Mercedes, overall the trunk is noticeably shallower and less usable for bulky items. Therefore, if interior spaciousness, versatility, and worry-free packing for the whole family are your priorities when choosing a four-year-old used electric vehicle, the Audi Q4 e-tron represents a significantly more rational and practical choice thanks to its well-thought-out electric architecture.

Trailer weight and towing practicality

When choosing a compact electric SUV, towing capacity is often one of the key parameters for everyday usability. Whether you plan to tow a caravan, transport materials to a cottage, or just need to attach a bike rack to gain space for a few extra suitcases, the Audi Q4 e-tron and Mercedes-Benz EQA approach this challenge differently. In the generations available on the used car market (approximately from 2021 to 2023), you will find significant differences in maximum towing capacity between the two vehicles.

Significant differences based on drive type for Mercedes

For the Mercedes EQA (generation 243), the chosen motorization and driven axle are absolutely crucial for towing. While the base EQA 250 and 250+ models with front-wheel drive offered a standard braked trailer weight of only 750 kg between 2021 and 2023 (matching the limit for unbraked trailers), the more powerful all-wheel-drive variants EQA 300 and EQA 350 boast a maximum capacity of up to 1800 kg. This higher value is already quite sufficient for weekend shopping of heavier materials as well as for longer holidays with a full-sized family caravan.

Conservative golden middle way from Audi

In its older model years, the Audi Q4 e-tron offers somewhat more conservative values, but they are distributed much more evenly. The base 35 and 40 e-tron versions can tow a braked trailer weighing up to 1000 kg, while the more powerful 45 and 50 e-tron variants standardly handle 1200 kg. If you were looking for a towing capacity of 1800 kg from Audi comparable to the Mercedes AWD models, you would have to go for the newer top-of-the-line 55 e-tron version, which only appeared on the market in 2023. The maximum weight of an unbraked trailer is the same for all versions of both competitors, at the legislative 750 kg.

Final evaluation of towing capabilities

While Audi, with its values of 1000 to 1200 kg, represents a reliable golden middle way for light recreation regardless of the version chosen, with Mercedes you have to choose carefully on the used car market. If you plan to regularly tow heavier loads, the Mercedes EQA in the 300 or 350 versions is the clear winner of the entire comparison thanks to its 1800 kg capacity. Conversely, the base EQA models (250 / 250+) from the first years of production, with a limit of only 750 kg, will satisfy only the least demanding users looking for occasional use for a small garden trailer.

Both of these premium electric SUVs offer very interesting powertrain options, which, however, differ fundamentally in their concept. While the Mercedes-Benz EQA (generation H243) is based on a platform originally intended for internal combustion engine vehicles and offers front-wheel drive as standard, the Audi Q4 e-tron (generation FZ) stands on the Volkswagen Group's purely electric MEB platform, which means rear-wheel drive as standard. This difference fundamentally affects driving characteristics – the Audi feels more agile thanks to the rear-axle drive and has a better turning radius, while the Mercedes offers a more traditional sense of security from a front-wheel-drive car. Base motorizations start at 125 kW for the Audi (35 e-tron version) and 140 kW for the Mercedes (250 version). At the top of the range are powerful AWD models with two electric motors – for Audi, it's the updated 55 e-tron version with 250 kW (or the older 50 e-tron with 220 kW), and for Mercedes, the 350 4MATIC version with 215 kW. All variants rely on a single-speed automatic transmission typical for electric vehicles and exclusively electric drive. For buyers on the market for roughly four-year-old used cars, it is also crucial to follow the development of versions and batteries, as both manufacturers updated their models over the years and some older motorizations are no longer available as new.

Engines and drive: Audi Q4 e-tron

The range of motorizations for the Audi Q4 e-tron is quite wide and has evolved significantly over time. On the four-year-old used car market, you will most often encounter the base 35 e-tron version with a smaller battery (usable capacity 52 kWh), 125 kW power, and rear-wheel drive. An extremely popular choice from this era is also the 40 e-tron version (150 kW, rear-wheel drive) with a larger 77 kWh battery, which offers an ideal compromise between price and real-world range. For those interested in quattro all-wheel drive, the 45 e-tron quattro (195 kW) and the top-of-the-line 50 e-tron quattro (220 kW) versions were available between 2021 and 2023. It is important to emphasize here that production of the 50 e-tron quattro model and the original 45 e-tron quattro version was discontinued in the autumn of 2023. These motorizations are now only available as used cars, having been replaced by the newer and more efficient 45 e-tron version (now with 210 kW available as both RWD and AWD) and the brand new, even more powerful 55 e-tron quattro version with an impressive 250 kW. All variants are fully electric and feature a single-speed reduction gear.

Engines and drive: Mercedes-Benz EQA

Mercedes-Benz designed the EQA primarily with front-wheel drive for standard variants, which is a slight abnormality in the luxury electric SUV segment. The most common model on the used car market is the base EQA 250, which has an output of 140 kW and a torque of 375 Nm. It uses a battery with a usable capacity of 66.5 kWh. During 2022, the highly sought-after EQA 250+ version appeared in the range, which, with the same power, brought slightly higher torque (385 Nm) and, most importantly, a larger battery (70.5 kWh) for extended range. If you require all-wheel traction (4MATIC system), Mercedes opted for a combination of an asynchronous motor at the front and a permanent magnet synchronous motor at the rear. This configuration is represented by the "golden middle ground" in the form of the EQA 300 4MATIC with 168 kW and the dynamic top of the range, the EQA 350 4MATIC. The top-of-the-line engine boasts a very solid output of 215 kW and a robust torque of 520 Nm, thanks to which it accelerates from 0 to 100 km/h in just 6 seconds. A single-speed automatic transmission is, of course, standard across the entire range.

Final Recommendation

The decision between these two vehicles from an engine perspective depends primarily on your preferred driving style. In terms of driving dynamics and overall platform balance, the Audi Q4 e-tron comes to the fore. Its rear-wheel-drive version, the 40 e-tron, is absolutely the best and most efficient choice on the nearly-new used car market for most regular users. Drivers craving performance will appreciate the top-tier pull of the discontinued 50 e-tron quattro version, which can be purchased today at very attractive prices.

Mercedes-Benz EQA, on the other hand, excels with its unmistakably quiet and maximally comfortable operation. The base EQA 250 model is great for more conservative city drivers, while people who frequently drive long distances should look for the more efficient EQA 250+ variant. The powerful 300 and 350 4MATIC all-wheel drives represent a great solution for the mountains, albeit at the cost of slightly higher consumption and less agility in corners compared to equivalent quattro models from Audi.

Choosing the right engine – in the case of these electric vehicles, rather the combination of battery capacity and electric motor power – is absolutely crucial for long-term satisfaction. Our recommendations are based on real-world range, dynamics, user experience, and technical reliability found after several years of operation.

Both premium electric SUVs approach their construction differently, which fundamentally affects their daily usability. While the Audi Q4 e-tron has been based on the Volkswagen Group's pure electric MEB platform from the start, ensuring better interior packaging and more efficient placement of large batteries, the Mercedes-Benz EQA uses a modified MFA2 platform originally designed for internal combustion engine vehicles (the GLA model). For those interested in a roughly four-year-old used car, this means different road behavior characteristics. Audi benefits from rear-wheel drive (in base and mid-range versions) and better traction, while Mercedes relies on front-axle drive and the uncompromising acoustic comfort typical of the brand with the three-pointed star.

For the Audi Q4 e-tron, we recommend: 40 e-tron, 150 kW (204 hp)

This version, available primarily from 2021 to 2023, represents the absolute golden middle ground in the entire model range and is the most sensible choice on the used car market.

• Why it's the best choice: The 40 e-tron version combines a larger battery with a usable capacity of 77 kWh (82 kWh gross) with a single electric motor on the rear axle. The 150 kW output is more than sufficient for a standard family SUV, but the main asset is the range. Thanks to the absence of a front electric motor, the car is lighter and more efficient than the quattro versions (45 and 50 e-tron) and can realistically cover around 400 to 450 km on a single charge in combined operation. It's better to avoid the smaller battery from the 35 e-tron version (52 kWh) for higher mileages.
• Technical advantages: Excellent drive efficiency and a solid charging curve. Furthermore, the MEB platform is very spacious, and the rear-wheel drive provides the vehicle with a surprisingly small turning radius, which you will appreciate in the city.
• Risks and what to watch out for: Audi uses drum brakes on the rear axle of the Q4 e-tron. Since an electric vehicle brakes using recuperation most of the time, the mechanical brakes at the rear can suffer from surface rust and "seizing." During a test drive, perform several sharp brakings in neutral (when recuperation is disengaged) and listen for any grinding sounds from the rear axle. Another thing to check is the software – in 2021 and 2022 models, the infotainment often froze. Make sure the car has at least software version 3.2 installed, which dealers uploaded as part of service campaigns.
• Who it's for: Ideal for families and drivers who occasionally need to go on a longer trip or vacation and require a reliable range without the need for daily charging.

For the Mercedes-Benz EQA, we recommend: EQA 250, 140 kW (190 hp) or EQA 250+

The best-balanced specification of the compact Mercedes from 2021 to 2023 is the basic, yet very powerful engine with a single electric motor. The 250+ version with a slightly larger battery hit the market in 2022, and if you come across it in the listings at a good price, it's an excellent bonus.

• Why it's the best choice: The EQA 250 has a battery with a usable capacity of 66.5 kWh, which, in combination with front-wheel drive only and an output of 140 kW, provides smooth dynamics and a real-world range of around 350 to 380 km. The more powerful dual-motor 300 4MATIC and 350 4MATIC versions are faster, but they consume significantly more energy, which noticeably shortens the range with the 66.5 kWh battery. The 250 version is quieter, more efficient, and cheaper to buy and operate.
• Technical advantages: Fantastic cabin soundproofing and a very smooth torque delivery that won't startle even drivers transitioning from conventional internal combustion cars. Furthermore, Mercedes has done an excellent job with the chassis calibration, which comfortably irons out road imperfections.
• Risks and what to look out for: Since it is a heavy electric vehicle (over 2 tons) with power directed exclusively to the front wheels, the front tire tread suffers extremely here. During inspection, check for even wear. Rapid wear can indicate not only a heavy foot from the previous owner but also worn bushings or front axle control arms, which are under significant load. The EQA also shares its platform with the GLA, but due to the battery placement, it has a slightly lower ground clearance – thoroughly check if the bottom plastic or aluminum battery cover is scraped from curbs or speed bumps.
• Who it is suitable for: A perfect choice for urban and suburban users looking for maximum luxury, unrivaled acoustic comfort on board, and who don't need to regularly break speed records on the highway.

While official consumption tables according to the stricter WLTP standard are a more reliable guide than older methodologies, everyday driving reality brings somewhat different numbers. For purely electric SUVs like the Audi Q4 e-tron and Mercedes-Benz EQA, total energy demand depends on many external influences – from outside temperature and heat pump usage to the ratio of highway driving. While paper values for both vehicles from 2021 to 2023 promise optimistic consumption between 15.0 and 18.6 kWh/100 km, practice shows roughly 10 to 20% higher consumption. For the most objective comparison on the market of roughly four-year-old used cars, we have therefore drawn from user data from the independent community portal Spritmonitor.de, which has long collected real-world statistics from thousands of European drivers.

news_site: Spritmonitor.de

Looking closely at the data, it is clear that the most efficient choices are, naturally, the single-axle drive versions. The sweet spot for Audi is the Q4 40 e-tron model, which represents a great balance between performance and reliable range with an average of around 19.2 kWh/100 km. The Mercedes-Benz EQA in the base 250 powertrain (140 kW) is slightly thirstier in practice and usually slightly exceeds 20 kWh/100 km; however, its improved EQA 250+ version introduced in 2022 focused on optimized aerodynamics and more efficient energy management, allowing it to push consumption below 19 kWh/100 km.

A slight surprise is the finding that the representative from Stuttgart loses its advantages over the competitor from Ingolstadt somewhat sooner at highway speeds. The reason is the MFA2 platform shared with the internal combustion GLA model, which does not achieve the same natural aerodynamic efficiency as the purely electric MEB architecture on which the Audi Q4 stands. Furthermore, once you opt for variants with two electric motors and all-wheel drive (Q4 50 e-tron or EQA 300/350 4MATIC), expect a real-world appetite above the 21 kWh/100 km mark for both competitors.

For the average user, several key recommendations follow from these trends. If you are a frequent highway driver and care about maximum range and the lowest possible consumption, the Audi Q4 40 e-tron or the optimized Mercedes EQA 250+ will be more efficient tools. Conversely, for drivers who spend most of their time in urban and suburban traffic, any differences in consumption will be practically negligible thanks to advanced recuperation and lower speeds.

Overall, it can be said that electricity consumption should not play the role of the main decision-making factor in this duel. Both premium SUVs from 2021 to 2023 offer very comparable efficiency in their classes, so the overall condition of the vehicle, the degree of battery degradation, interior space, and your personal preference for a specific brand or onboard software will carry much more weight when buying on the used car market.

Price range of used cars

Both premium electric crossovers entered the market in 2021. Today, as approximately four-year-old used cars from the first years of production (2021–2022), they represent an interesting choice for those interested in entering the world of luxury electromobility at a fraction of the price of new vehicles. For both models, the largest drop in value is already behind them, with price levels on the used market being surprisingly balanced.

Audi Q4 e-tron (2021–2022 models)

The used Audi Q4 e-tron holds its value relatively well and offers a solid selection of available used cars on the market. Prices vary primarily according to battery capacity (versions 35, 40, and 50) and body type (classic SUV vs. more aerodynamic Sportback).

• Base models (higher mileage): The cheapest units, usually the Q4 35 e-tron version with a smaller battery or models with mileage over 100,000 km, start on the used market from roughly 24 000 € to 26 000 €.
• The sweet spot: The most represented and sought-after Q4 40 e-tron version (with a larger battery and rear-wheel drive) with mileage up to 60,000 km ranges between 31 000 € and 35 000 €. Here you get the best price-to-range ratio.
• Top-tier specifications: More powerful Q4 50 e-tron models with quattro all-wheel drive, in full S-line trim, with minimal mileage or in the attractive Sportback body, commonly reach amounts of 37 000 € to 45 000 €.

Mercedes-Benz EQA (2021–2022 models)

The Mercedes-Benz EQA offers a very similar price range in the used car market. A crucial role in the price here is played by the chosen performance level and the presence of the AMG Line visual package, which reliably pushes the price of a used car up.

• Base models (higher mileage): Entry-level EQA 250 models (front-wheel drive) with mileages approaching the 100,000 to 120,000 km mark start at very attractive amounts around €22,000 to €26,000.
• The sweet spot: Well-maintained EQA 250 versions with reasonable mileage (around 50,000 km) and solid equipment (Advanced or Progressive trims) are most often available for €28,000 to €34,000.
• Top-tier specifications: More powerful EQA 300 4MATIC and EQA 350 4MATIC all-wheel drive models equipped with the AMG Line package and low mileage maintain prices between €35,000 and €43,000.

Quick price comparison on the used car market

For better orientation when choosing a premium electric vehicle, we present a clear comparison of current average prices from both the European and domestic used car markets:

Note: Prices may vary slightly depending on current market supply, the technical condition of the specific vehicle, and overall equipment. A major benefit for both models is the factory warranty on the high-voltage battery, which manufacturers standardly provide for 8 years or 160,000 km – for four-year-old used cars, the battery is thus still safely under warranty.

Both models, the Audi Q4 e-tron and the Mercedes-Benz EQA, boast a maximum five-star rating in independent Euro NCAP safety tests. However, when comparing these vehicles, it is essential to consider the context and the year the tests were conducted. Euro NCAP methodology and protocols are constantly evolving and become significantly stricter with each new iteration. Newer tests place much greater emphasis on advanced assistance systems, protection of vulnerable road users (such as cyclists and pedestrians), and vehicle behavior in complex intersection scenarios. For this reason, percentage results from different years cannot be directly and simply compared.

Audi Q4 e-tron underwent the latest Euro NCAP assessment in 2025, meaning it had to stand up to current and very strict conditions. The car achieved excellent results: 91% for adult occupant protection, 87% for child occupant protection, 79% for vulnerable road user protection, and 73% in the safety assist category. The fact that the Q4 e-tron maintained a five-star rating even under the strictest standards (including new frontal impact simulations and advanced cyclist detection) testifies to its highly modern approach to both active and passive safety.

Mercedes-Benz EQA, on the other hand, received its five-star rating in 2019. It is important to note that this result was largely carried over from the technically related B-Class model tested in the same year. The car earned impressive scores: 97% for adult protection, 90% for child protection, 81% for pedestrian protection, and 75% for assistance systems. Although these percentage figures appear higher than Audi's at first glance, they were achieved according to older and less demanding criteria. Given that Euro NCAP ratings are standardly valid for six years, this model's certification is at the very end of its valid cycle, and its older generation of assistance systems may no longer fully meet the latest market requirements.

In conclusion, while both cars provide an excellent level of safety and will protect their occupants without issue, the Audi Q4 e-tron offers an overall more modern and comprehensive safety package. Its ability to meet the latest and most demanding standards from 2025 provides a guarantee that the vehicle possesses the most up-to-date technology for accident prevention.

In addition to standard equipment, each model offers several unique features that may be decisive for the customer, with both brands approaching electric added value and premium technologies in their own way.

Audi Q4 e-tron: Augmented reality and smart ergonomics

In its compact electric SUV, Audi has bet on maximizing the use of the new MEB platform and on user-friendly innovations for everyday use.

• Advanced head-up display: One of the most prominent technological draws is the optional head-up display with augmented reality (AR). The system can dynamically project navigation arrows and assistance system warnings so that, from the driver's perspective, they visually float directly above the road roughly ten meters in front of the car.
• Smart storage spaces: Audi designers have brought a very practical solution for beverage storage. They integrated specially shaped holders into the upper part of all door panels, thanks to which large one-liter bottles are placed comfortably and safely within easy reach.
• Infotainment and acoustics: A massive 11.6-inch central MMI touch display, which was among the largest across the brand's portfolio at the time of its 2021 launch, is used to control the vehicle. Furthermore, the audio system was supplied for the first time by the premium lifestyle brand Sonos.
• Sports steering wheel with a new concept: The interior atmosphere is complemented by an optional steering wheel with a flattened top and bottom, which, combined with touch surfaces for control, gives the cabin a futuristic and sportier feel.
• Interior architecture: The use of a purely electric platform means the absence of a center tunnel. The floor is thus completely flat, which significantly improves comfort for rear passengers. Moreover, thanks to short overhangs, the car provides space on par with vehicles from a class above.

Mercedes-Benz EQA: Artificial intelligence and maximum comfort

For the EQA model, which is technically based on the combustion-powered GLA, Mercedes focused on absolute care-free operation, traditional luxury, and intelligent integration of assistance systems.

• Navigation with Electric Intelligence: The MBUX infotainment features advanced route planning. The system calculates not only distance but also terrain topography, current weather, traffic flow, and the occupancy or power of charging stations along the way. It can even pre-condition the battery temperature before arriving at a fast charger.
• Intelligent Recuperation (D Auto mode): Mercedes allows changing the recuperation strength using paddles behind the steering wheel, but the D Auto mode takes driving to a new level. It uses data from radars and cameras to automatically adjust braking force based on vehicles ahead or approaching intersections, maximizing efficiency and reducing driver fatigue.
• EQ Family Design Language: For visual differentiation, the car is equipped with the characteristic "Black Panel" grille and specific continuous LED light strips at the front and rear. These elements make the EQA instantly recognizable in both day and night traffic.
• Interior Lighting and Decoration: An extraordinary emphasis on atmosphere is highlighted by the backlit decorative panel in front of the passenger. Combined with 64-color ambient lighting, the car offers specific light animations that create a modern "lounge" effect typical of the brand's top models.
• Insulation and Acoustic Comfort: Despite its technical kinship with combustion models, Mercedes worked on detailed soundproofing of the electric drive from the body and axle damping. The result is an exceptionally quiet and smooth ride for its class, in which the EQA meets the typical expectations of the three-pointed star brand.

Audi Q4 e-tron

Advantages:

• Significantly larger and more usable luggage space (520 liters base compared to 340 liters for the EQA).
• Airier interior with generous legroom for rear passengers thanks to the dedicated electric platform (MEB).
• Excellent maneuverability and a small turning radius in the city, especially for rear-wheel-drive versions.
• Better overall powertrain efficiency, which brings longer real-world range and lower average consumption in versions with a larger battery.
• Choice between a classic SUV body and a more aerodynamic, stylish Sportback variant.

Disadvantages:

• Quality of some harder plastics in the interior (e.g., in door panels) does not reach Audi's traditional premium standard.
• Touch surfaces and buttons on the steering wheel have weak haptic feedback and can be ergonomically awkward while driving.
• Poorer standard equipment on base models, requiring expensive surcharges for features that should be a matter of course in this class.
• Lack of a front luggage compartment (frunk) for storing charging cables in the rear-wheel-drive version.

Mercedes-Benz EQA

Advantages:

• Excellent build quality and premium interior materials that feel more luxurious and valuable than those of the Audi competitor.
• Top-tier MBUX infotainment with fast response, excellent navigation with electric intelligence, and advanced voice control.
• Exceptionally high acoustic comfort with perfect soundproofing of the chassis and aerodynamic wind noise on the highway.
• Smooth and very comfortably tuned suspension that absorbs bumps excellently and is ideal for daily commuting.
• Richer and more generous standard equipment even in entry-level specifications.

Disadvantages:

• Compromised interior space due to the shared platform with the combustion GLA class, meaning significantly less legroom for rear passengers.
• Below-average luggage space of only 340 liters, which limits the car's use for larger family vacations.
• On average, slightly higher electricity consumption and shorter range, especially at highway speeds.
• Lower maximum fast charging (DC) power on models from the first years of production compared to the then-current capabilities of Audi's MEB platform.

Based on data from the comprehensive CarAudit vehicle inspection, long-term user experience, service reports, and recall actions, we have compiled an overview of the most common problems that buyers of used electric vehicles should watch out for. Although both models are from premium brands and mechanically very well built, neither escaped the typical teething troubles of the first generations of modern electric vehicles.

Audi Q4 e-tron

The compact electric SUV from Audi stands on the Volkswagen Group's MEB platform, which provides it with a solid and mass-proven mechanical foundation. Most issues on the used car market thus do not concern the drive itself, but rather electronics and software.

Infotainment and Interior

• Software glitches: Owners very often complain about MMI system freezes, random sound dropouts, or unreliable communication with the MyAudi mobile app. Especially with older software versions, there are problems with remote climate control activation.
• Touch buttons on the steering wheel: A significant and often criticized ergonomic blunder is the touch surfaces on the steering wheel, which are overly sensitive. During normal maneuvering (e.g., in a parking lot), drivers unintentionally switch the radio, change the volume, or even trigger an emergency call.

Battery and Charging

• DC fast charging errors: Occasionally, problems occur during "communication" between the car and public fast chargers. This can lead to premature termination of charging, power fluctuations, or an unpleasant situation where the cable remains locked in the port and manual release via system intervention is required.
• Fluctuating winter range: The car's battery is more sensitive to low temperatures, which for the first model years means a noticeable drop in range and slower DC charging if the battery is not sufficiently warmed up.

Chassis and Brakes

• Increased tire wear: Due to the high weight of the vehicle and instant torque, tire tread disappears noticeably faster than in comparable internal combustion cars, especially on the heavier rear axle.
• Brake pedal travel: Electric vehicles on the MEB platform use a combination of recuperation and physical brakes (with drum brakes at the rear). Drivers occasionally complain about squealing from the brake pads and a spongy brake pedal feel with a very long travel, which takes some getting used to.

Electronics and Recalls

• Lighting malfunctions: Specific cases have been recorded where moisture penetrated the headlight control module, causing connector corrosion and random turning on or off of the lights.

Summary for Audi Q4 e-tron: Mechanically, it is a very robust and durable car that shows minimal faults on the chassis. If you are buying a used model, it is essential to verify whether the latest software has been uploaded to the vehicle at a service center, which resolves most of the annoying communication glitches.

Mercedes-Benz EQA

The Mercedes-Benz EQA is technically based on the internal combustion GLA model (MFA2 platform). It is therefore not a purebred electric platform built from the ground up only for batteries, which brings specific compromises in the form of higher weight and more complex component packaging.

Battery and Powertrain

• Risk with Farasis batteries (250+ version): By far the most serious known problem was the threat of an internal short circuit in the batteries (with a capacity of 70.5 kWh) supplied by Farasis Energy for the EQA 250+ versions. Mercedes initially addressed the situation with a temporary software limit on charging to a maximum of 80%, which eventually resulted in a recall in Germany and a massive replacement of entire faulty battery modules. For a used 250+ version, it is absolutely necessary to check how this problem was resolved.
• Powertrain efficiency: Due to its non-aerodynamic silhouette and conversion from an internal combustion platform, the EQA consumes more energy in cold weather and at highway speeds, leading to a noticeable reduction in range compared to the official figures.

Infotainment and Electronics

• MBUX system stuttering: While MBUX infotainment is among the best on the market graphically, older 2021 and 2022 models often struggle with screen freezes or slower responses immediately after startup. Restarting the module and uploading new software at an authorized service center usually resolves this.
• False assistant alarms: The vehicle's safety systems, especially the emergency brake assist, can sometimes be overly sensitive. In sharp city corners or narrowed sections, they may react to parked cars or shadows with an unexpected braking intervention.

Chassis

• Wear of suspension components: On a platform originally built for internal combustion cars, the wheel suspension is exposed to the extreme weight of the traction battery. On used cars with higher mileage, play in the front control arms, worn bushings, and rapid wear of tire edges may appear somewhat earlier.

Summary for Mercedes-Benz EQA: The EQA attracts with its top-notch interior craftsmanship and very quiet ride. Common problems are mostly electronic in nature and do not require expensive mechanical repairs. The exception, however, is the EQA 250+ models, for which a thorough independent technical inspection of the car and a careful check of performed recalls are an absolute necessity for a safe and peaceful purchase.

When buying a used electric car, a thorough inspection is key. Although these vehicles do not suffer from the traditional ailments of internal combustion engines, both premium SUVs have their specifics and so-called "teething problems" that need to be focused on. Here are several specific points that a comprehensive car inspection should focus on.

When choosing an Audi Q4 e-tron:

• Software and infotainment stability: MEB platform vehicles from the first years of production (around 2021/2022) often struggled with system freezes, restarts, and black screens. During the test drive, click through all functions and make sure the car has a newer software update installed (ideally version 3.0 or higher), which reliably solves most of these problems.
• Play in the chassis and suspension: The Q4 e-tron is a very heavy car, which places an enormous load on suspension components and joints. During the test drive, intentionally drive over speed bumps or uneven surfaces and listen carefully for any knocking sounds from the front or rear axle. This would indicate worn bushings or stabilizer links.
• Charging connector and locking mechanism: In some used units, the locking mechanism of the charging pin gets stuck. Test the physical connection and disconnection of both the home AC and fast-charging DC cable and verify that the car releases the cable without problems after the process is finished.
• Condition of brake discs: Due to strong recuperation, mechanical brakes on electric cars often sit idle, leading to deep corrosion and rusting. Visually inspect the surface of the brake discs and try braking more sharply several times during the test drive (without recuperation assistance) to see if the brakes grind or pulsate.
• Interior build quality on uneven surfaces: Although it is a premium brand, some earlier model years may emit squeaking sounds from the dashboard area, handles, or door panels on poorer roads. A test drive on cobblestones or a broken country road will reliably reveal these imperfections.

When choosing a Mercedes-Benz EQA:

• MBUX system and navigation functionality: Check the response speed and smoothness of the MBUX multimedia system. Try planning a longer route using the Electric Intelligence function and see if the system correctly and without long loading times suggests the necessary charging stops based on the current battery status.
• Heat pump operation: The heat pump is absolutely crucial for the EQA to maintain a solid range in winter. During the test drive, turn the cabin heating to maximum and listen from both outside and inside for any unnaturally loud, whistling, or rattling noises from the compressor, which could indicate the need for a very expensive repair.
• Traction and power smoothness (especially for the EQA 250): For the front-wheel-drive version, check the car's behavior during sharp acceleration from a standstill. Power should come on smoothly, without significant steering wheel tug or excessive wheel spin, which could reveal worn motor mounts or confused traction control calibration.
• Traction battery health and range estimate: For a roughly four-year-old electric vehicle, knowing the actual degradation (SoH – State of Health) of the battery is essential. Check if the range indicated by the trip computer at a high state of charge makes sense given the outside temperature. For an accurate cell condition assessment, a professional technical inspection with battery diagnostics is ideal.
• Transition between recuperation and mechanical brakes: Try decelerating smoothly to a complete stop. The transition from electric braking (recuperation) to mechanical discs should be seamless, without jerking or a pulsating brake pedal. Jerky operation points to rusted brake calipers or degraded brake fluid.

Sources: ADAC, aktualne.cz, idnes.cz, motorvize.cz, autojournal.cz, autotrip.cz

This article was prepared using artificial intelligence tools. The section guarantor is Petr Dušek.