Audi Q7 vs. Volkswagen Touareg: Complete comparison 2026

The Audi Q7 is a luxurious and spacious SUV from Ingolstadt that excels with top-tier technologies and often features the highly sought-after seven-seat configuration for demanding users. Its direct technical relative, the Volkswagen Touareg, represents the flagship of the Wolfsburg-based automaker, focusing on precise build quality, an advanced digital cockpit, and a majestic yet slightly less ostentatious design. In the following comparison, we will take a detailed look at how these two platform siblings fare in a head-to-head battle and which of them makes more sense as a slightly used car after approximately four years of operation.

When it comes to exterior dimensions, both models share the advanced MLB Evo chassis platform from the Volkswagen Group workshops, but their physical size and overall concept of space differ significantly. Audi Q7 profiles itself as one of the largest family cruisers on the European market. With a total length reaching up to 5063 mm (in popular versions from recent years), it is a significant 185 mm longer than the Volkswagen Touareg. This generous increase in length, supported by a wheelbase that is 91 mm longer, translates primarily into interior variability. Unlike the Touareg, the Audi Q7 can offer an optional third row of seats, making it a highly practical choice for larger families.

The Volkswagen Touareg, on the other hand, maintains a slightly more modest footprint, which better suits the real-world conditions of European urban infrastructure. With a length of 4878 mm, it is significantly more manageable when looking for a parallel parking space and easier to maneuver in cramped underground garages. An interesting paradox remains, however, that despite the shorter body, the Touareg, at 1984 mm, is 14 mm wider than its sister Audi. This visually gives it a very confident and stable stance on the road, while guaranteeing generous shoulder room for passengers inside. As for height, the Q7 is 24 mm taller, which enhances its monumental silhouette, resembling a raised giant station wagon, while the Touareg bets on more traditional and dynamic SUV proportions.

The decision between these two premium vehicles is thus closely related to your daily needs. If your absolute priority is maximizing interior space, occasionally transporting up to seven people, and you are willing to accept the more demanding maneuvering of a car over five meters long, the Audi Q7 represents a completely logical choice. But if you are looking for a representative and exceptionally comfortable five-seater SUV with more agile dimensions for daily city traffic, which nevertheless feels slightly wider on the road, the Volkswagen Touareg will be a noticeably more pleasant companion.

When choosing a large premium family car, luggage compartment volume often plays a decisive role, as it directly affects daily usability and comfort during holiday trips. Both the Audi Q7 and the Volkswagen Touareg are among the above-average spacious vehicles in their class and can easily handle the needs of a large family. In terms of overall concept and body design, both models fall exclusively into the large SUV category, with the Audi Q7 being slightly longer overall, giving it a noticeable advantage in the luggage transport discipline. You will feel the difference between the two cars especially when you need to pack bulkier cargo or a folded stroller for a family trip.

If we look at the basic five-seat versions of these SUVs (specifically models from the generations popular on the market as roughly 4-year-old used cars, namely the Audi Q7 generation 4M and the third-generation Volkswagen Touareg), the Audi Q7 offers a massive basic volume of 865 liters, while the Volkswagen Touareg lags behind with a respectable but still slightly smaller 810 liters. The difference in favor of the Audi might not look like the most important criterion on paper, but in practice, it represents exactly that much-needed space for a few extra suitcases or much easier storage of sports equipment. However, the Q7 builds a huge lead after folding the rear seats. The Touareg can offer a maximum volume of 1800 liters, which is still perfectly sufficient for weekend shopping and longer holidays. But the Audi Q7, in its five-seat variant, can conjure up an impressive 1993 liters of space with an almost flat loading area, making it an exceptionally practical transporter.

It is also important to keep in mind that the trunk volume changes significantly depending on the chosen equipment or engine. The Audi Q7 is often found as a seven-seat SUV among used cars, where the basic volume is reduced to approximately 780 liters after folding the third row of seats into the floor. However, modern plug-in hybrid powertrains bring an even more significant reduction in capacity. While you can pack without compromise in standard internal combustion versions, plug-in hybrid versions (Audi Q7 TFSI e and Volkswagen Touareg eHybrid or the sporty Touareg R) have significantly shallower luggage compartments due to the batteries stored under the floor. The hybrid Q7 thus has to make do with a reduced volume of only 563 liters, and the Touareg offers 665 liters in its electrified version. Therefore, if trunk size is key for you, classic diesel or gasoline engines offer incomparably better usability.

While the Volkswagen Touareg scores as a representative and comfortable car for a classic five-member crew without unnecessarily large overhangs, the Audi Q7 profiles itself as the ultimate family hauler, which can carry up to seven people in a pinch and offers unrivaled cargo variability.

When choosing a large premium SUV, the towing capacity is often one of the deciding factors. Whether you plan to tow a heavy caravan for a summer holiday, a two-horse trailer, or a large boat, both of these vehicles are among the best that the market for approximately four-year-old used cars has to offer. Yet, there is one very fundamental difference in their approach to towing power.

The third-generation Volkswagen Touareg (III) is considered an absolute and uncompromising workhorse in terms of towing. Almost regardless of the chosen engine, it offers a standard and maximum braked trailer weight of 3,500 kg. What is fascinating is that even the heavier plug-in hybrid versions, such as the Touareg 3.0 V6 eHybrid or the sporty Touareg R, retain this massive capacity.

In contrast, while the current generation Audi Q7 (4M) can also offer the same impressive 3,500 kg, you will encounter significant differences on the used car market. The standard braked trailer weight for many versions – including the common 45 TDI and 50 TDI diesel engines or the 55 TFSI e and 60 TFSI e plug-in hybrids – often starts at a reduced value of 2,700 kg to 2,800 kg. Achieving the full 3.5-tonne capacity in an Audi is conditional on a specific factory configuration (e.g., choosing adaptive air suspension or a specific seating arrangement). Due to bulky batteries and higher kerb weight, hybrid variants tend to have this lower value as standard.

As for unbraked trailers, both models confidently handle the standard legal limit of 750 kg. In this case, they offer an ideal and safe space for transporting anything – the limits are perfectly sufficient for a typical weekend trip to the DIY store, hauling garden waste, or moving construction materials.

What do these values mean in practice? The 2,700 kg limit for base versions of the Audi Q7 provides plenty of room for several extra suitcases and trouble-free towing of a standard medium-sized caravan, sufficient for a long family holiday. However, the full 3,500 kg pushes the vehicle's capabilities into the category of the most demanding professional and leisure needs, such as heavy yachts or large construction loaders.

In conclusion: If your goal is a versatile family car that occasionally tows something, both SUVs will serve you excellently. However, if you are buying a used car primarily for the purpose of frequently towing the heaviest possible loads, the Volkswagen Touareg represents a much safer bet. You don't have to laboriously decipher equipment codes in the listings to find out the actual towing capacity – almost every unit on the market can handle 3.5 tonnes.

Since both the Audi Q7 and Volkswagen Touareg are built on a shared platform, they offer a very similar and superbly tuned range of powertrains. The foundation of the used car market for models approximately four years old consists of proven three-liter six-cylinders, both diesel and petrol, which are always paired with an eight-speed automatic transmission and all-wheel drive. An interesting fact from the history of both models is that around 2020, they still offered monstrous diesel V8s with extreme torque of up to 900 Nm, which manufacturers eventually discontinued due to stricter emission standards. Today, six-cylinder diesels are coming to the forefront, excelling in highway range and towing capacity (they can tow up to 3.5 tons). For drivers who cover shorter distances and want to utilize partial electric drive, both manufacturers have very powerful plug-in hybrid alternatives ready.

Audi Q7 Engines

The engine range for the Audi Q7 (4M generation after facelift, corresponding to an age of roughly 4 years) relies on mild-hybrid technology in its conventional versions, which helps reduce overall consumption. The most popular and sought-after choice in used car dealerships is the more powerful 50 TDI diesel six-cylinder with 210 kW (286 hp) and 600 Nm of torque. For those interested in a quiet and refined petrol engine, the 55 TFSI version with 250 kW is available. Special attention should be paid to the 55 TFSI e and 60 TFSI e plug-in hybrid models. However, it is important to remember that, for example, the top-of-the-line 60 TFSI e version disappeared from the range around 2021, so you will only find older model years of this engine in the used car section.

Volkswagen Touareg Engines

The third-generation Volkswagen Touareg relies on an almost identical concept, albeit with minor nuances. The main role is again played by the three-liter diesel engine labeled 3.0 V6 TDI SCR, typically offered in 170 kW and 210 kW versions. Petrol engines are represented by the refined 3.0 V6 TFSI OPF. A major attraction for enthusiasts until recently was the top-tier 4.0 V8 TDI SCR diesel with 310 kW, but this engine definitely ended production in the autumn of 2020 and is very difficult to find today. The role of the flagship model has thus passed to the powerful Touareg R plug-in hybrid, which combines a petrol six-cylinder with an electric motor for a staggering total output of 340 kW.

Choosing the right powertrain for large and heavy premium SUVs is crucial not only for daily driving dynamics but, above all, for long-term reliability and reasonable operating costs. Both the Audi Q7 and Volkswagen Touareg share the identical MLB Evo premium chassis platform, and among four-year-old used cars from the 4M (Audi) and III (Volkswagen) generations, you will mostly encounter proven diesel six-cylinders. An interesting historical fact of this shared generation is that both cars initially offered a monstrous 4.0 V8 TDI, which, however, definitively disappeared from the range in 2020 due to strict emission standards and is now a collector's rarity on the market. The dominant three-liter TDI engines have thus logically become the backbone of sales – in more modern models, they rely on 48V mild-hybrid technology, which excellently masks the two-ton weight of both cars and optimizes real-world fuel consumption.

For the Audi Q7, we recommend: 50 TDI (3.0 V6, 210 kW)

The version designated as 50 TDI is demonstrably the best choice for the facelifted Audi Q7 (4M) generation, as it perfectly balances premium performance and daily efficiency.

• Why it's the best: It is a refined diesel six-cylinder with an output of 210 kW (286 hp), which, thanks to its massive torque, doesn't lose breath even when fully occupied by seven passengers. Compared to the weaker 45 TDI variant, it provides noticeably more confident dynamics while maintaining the same real-world fuel consumption, which ranges very reasonably between 8 and 9 liters per hundred kilometers.
• Technical advantages: The torque curve (600 Nm) is beautifully smoothed out from low revs thanks to the supporting mild-hybrid system, giving the car a sense of constant, seamless power. The engine is excellently soundproofed and forms a very harmonious unit with the eight-speed Tiptronic automatic transmission.
• Risks and prevention: A major risk with this engine is primarily short city trips, where there is a risk of rapid clogging of the diesel particulate filter (DPF) and dangerous oil dilution with unburned diesel during incomplete regenerations. How to prevent it: Shorten the oil change interval from the nonsensical factory 30,000 km to a maximum of 15,000 km, which is absolutely crucial for protecting the timing chain and camshafts. Also, make sure to regularly take the car for a run on the highway. For four-year-old used cars, check the service history to see if the vehicle has undergone a gearbox software update that addressed the initial slower response to pressing the accelerator (the so-called turbo lag).
• Who it's ideal for: This engine is the perfect partner for long family vacations, drivers with a more dynamic style, and those who often tow heavy trailers. People looking for a car exclusively for city traffic jams should avoid it.

For the Volkswagen Touareg, we recommend: 3.0 V6 TDI SCR (210 kW)

For the third generation of the Volkswagen Touareg, we recommend opting for the technically related 3.0 V6 TDI SCR engine in the more powerful 210 kW (286 hp) specification, which safely dominates the modern used car market.

• Why it's the best: Given that the Touareg is always designed as a spacious five-seater, this engine provides it with excellent towing power and unexpected agility, especially in the popular R-Line versions. It is an exceptionally reliable compromise that is much more durable in practice and more efficient on long trips than the complex plug-in hybrid (eHybrid), where fuel consumption and noise rise sharply on the highway once the batteries are depleted.
• Technical advantages: The V6 engine relies on fantastic cooperation with the eight-speed torque-converter automatic from ZF and 4MOTION permanent all-wheel drive with a Torsen center differential. The engine handles normal driving in complete acoustic comfort with fuel consumption oscillating around a favorable 8 liters.
• Risks and prevention: Just like with the Q7, the intake suffers from carbon buildup during frequent city use. A specific pain point can be the Selective Catalytic Reduction (SCR) urea injection system. Crystallizing AdBlue can damage the pump in the tank, which is an unnecessarily expensive repair for a used car. How to check: Only fill up with fresh AdBlue at verified gas stations and do not let the system dry out before frosts. For cars with 100,000 km or more, a preventive check of the water pump and EGR valve for potential coolant micro-leaks is also worthwhile (monitor the level in the expansion tank).
• Who it's ideal for: An absolutely unrivaled choice for business travelers swallowing highway kilometers, active individuals needing to tow boats and caravans (towing capacity up to 3.5 tons), and overall for owners looking for a mechanically robust car for many years without worrying about experimental technologies.

Official fuel consumption figures provided by manufacturers often differ significantly from what drivers experience in real-world conditions, and this is doubly true for such large and heavy premium SUVs. To get an accurate picture, it is essential to look at real data from owners themselves, collected by independent community portals, led by the popular site Spritmonitor.de. In this comparison, we focus on roughly four-year-old used cars, comparing the most common engines of the current generations (Audi Q7 generation 4M and Volkswagen Touareg 3rd generation), which make the most sense on today's secondary market.

Data source: and user data from Spritmonitor.de

The table clearly shows that although electrified powertrains reign supreme on paper, the traditional diesel V6 remains the most rational choice in practice for these massive SUVs. Diesels (represented by TDI engines) maintain excellent long-term real-world values of around 8 liters per 100 km, which is an outstanding result considering the weight and aerodynamic drag of both vehicles. In contrast, turbocharged petrol V6s (TFSI) show great sensitivity to driving style, and under load, their consumption easily exceeds the 10-liter mark. Plug-in hybrids are a chapter unto themselves. Extremely low averages below 3 liters can only be achieved with meticulous daily charging. Once the battery is depleted, the internal combustion engine must pull the additional weight of the electric motor and battery, causing consumption to skyrocket, often even exceeding the limits of standard petrol versions.

What does this mean for a typical buyer interested in a used model? If you drive long distances, travel frequently on the highway, or use the car for towing trailers, the 3.0 V6 TDI diesel variants in the Touareg or the 45/50 TDI in the Audi Q7 are clearly the most economical and sensible path. Pure petrol models will appeal more to enthusiasts with lower annual mileage who are happy to pay extra for quieter and more refined operation. We recommend purchasing a plug-in hybrid only to those who use the car for daily city commuting and have easy access to a charger both at home and at work.

In conclusion, both vehicles share the same technical foundation and use the same group platform. With comparable engines, their fuel consumption is practically identical, and fuel efficiency itself should not be the main point when choosing between the two cars. Your final decision should primarily depend on which type of fuel and powertrain better suits your real-world driving profile, rather than the badge on the hood.

When looking at the used car market for vehicles approximately four years old (generations produced around 2021 and 2022), there is a clearly visible price difference that reflects the more premium positioning of the Audi brand. While the Volkswagen Touareg (CR generation) represents a more affordable entry into the world of luxury large SUVs, the Audi Q7 (4M generation facelift) maintains a higher residual value.

Both models share the same chassis platform and a large portion of their technology, making them direct and very interesting competitors even on the secondary market.

Market Averages and Price Ranges

The offerings for both models are dominated primarily by the popular 3.0 TDI diesel V6 engines. The table below illustrates the typical market price range for cars approximately four years old:

Prices are indicative and depend on mileage, service history, and specific optional equipment.

What Influences the Price of Used Units for These Models?

• Premium for prestige: The four rings on the hood mean not only a higher purchase price for a new car but also a higher value upon resale. The difference for comparably equipped and aged used cars usually ranges between €6,000 and €8,000 in favor of the more affordable Volkswagen.
• Trim levels and appearance: For the Touareg, the R-Line visual package plays a huge role, as it is in highest demand in used car dealerships, and its price is therefore logically higher than that of the Elegance version. For the Audi Q7, on the other hand, the sporty S-Line combined with the more powerful diesel engine variant (50 TDI) is the biggest draw.
• Extra practicality: An important factor that increases the price and interest of certain buyers for the Audi Q7 is the option of a seven-seat layout. The Touareg is designed exclusively as a five-seat SUV, which narrows the choice for families looking for maximum capacity to the more premium Q7.
• Maintenance costs: Although the engines and transmissions are technically very similar, hourly rates at premium authorized service centers and the prices of specific parts (for example, for advanced Matrix LED headlights) can be higher for Audi. This makes the Touareg a slightly more economical choice in the long run.

Both of these premium models earned the maximum five-star rating in independent Euro NCAP crash tests, which is the expected standard in the large family SUV category. When choosing a used car roughly four years old, however, it is crucial to understand the context and the specific year the vehicles underwent testing. Euro NCAP's methodology is constantly evolving and regularly becomes more stringent. Tests from 2018 and 2019 do not yet include the most modern testing protocols, such as cyclist and pedestrian detection when turning at intersections or the new frontal impact simulation with a moving barrier, which only began to be applied after 2020. Thus, the percentage scores cannot be 100% compared with brand-new cars on today's market, but in the context of four-year-old used cars, they remain an exceptionally reliable indicator of excellent structural strength and safety.

The current generation Audi Q7 was last tested in 2019, directly following its significant facelift at the time. The car took home a total of five stars and showed a very strong result in passive safety for adult occupants, for which it earned an impressive 92%. For child passengers, protection reached a safety-guaranteeing 86%. Protection of vulnerable road users (pedestrians and cyclists) ended at 71%, and the safety assist systems category was rated at 72%. This more modest result for assists reflects the state of requirements at the time, when more complex predictive systems did not yet have to be part of the standard equipment of all versions sold.

The third-generation Volkswagen Touareg was tested right at its market debut in 2018. Logically, the overall rating also brought five stars. Although both cars use the same MLB Evo platform, the Touareg's results differed slightly due to a different composition of standard equipment. Adult protection reached an excellent 89%, and child passenger protection recorded the same 86% as the Audi. It is noteworthy, however, that the Touareg received a significantly higher rating for standard safety assist systems (81%) at the time. Although Euro NCAP normally formally terminates the validity of its certificates after six to seven years due to aging technology (which for a model tested in 2018 means an already expired certification), this naturally has no negative impact on the fantastic robustness of the bodywork and the overall protection of the actual occupants in a used car.

In conclusion, this comparison shows that in terms of passive safety, both giant SUVs are built like impregnable fortresses. On paper, the Audi Q7 shows a slight lead in overall adult protection in an impact, while the tested Touareg had a more comprehensive rating for safety assists in its base configuration. From the perspective of today's buyer of a four-year-old used car, however, the models are completely equal, and you won't go wrong with either. Ultimately, the actual level of safety will depend more on how advanced the optional safety systems (e.g., night vision or advanced lane and intersection assist) were prudently chosen by the original owner of the car.

In addition to standard equipment, each of the models offers several unique features that can be decisive for the customer. Although both large SUVs share a common group platform and premium technologies, each adds its own distinctive approach, focus, and added value for everyday use.

Audi Q7: Uncompromising hi-tech and space for seven

The Audi Q7 places great emphasis on futuristic interior design, cutting-edge technologies for a smooth ride, and maximum family practicality.

• Infotainment and controls: The interior is dominated by the MMI touch response system with two touchscreens (upper 10.1" for media and navigation, lower 8.6" for climate control and text input). The screens provide both acoustic and haptic feedback, which after a short period of adjustment feels like operating physical buttons and facilitates blind orientation.
• Advanced chassis: For lovers of dynamic driving, the Q7 offers optional all-wheel steering and electromechanical active roll stabilization (eAWS). These systems can literally "glue" the two-ton car to the road in corners and ensure agility on par with mid-size cars in the city.
• Lighting of the future: The top choice in the price list is the HD Matrix LED headlights with additional laser lights. The laser module activates at higher speeds and can double the range of the high beams, giving the driver a sense of maximum confidence during night highway journeys.
• Practicality and variability: Unlike its group sibling, the Audi Q7 offers the option of an additional third row of seats. This turns the vehicle into a full-fledged seven-seater family SUV, with the second row of seats being individually sliding and split in a practical 35:30:35 ratio.
• Sporting pedigree: Those interested in a sharper ride can opt for the top-of-the-line SQ7 version. It combines extreme performance with the more aggressive features of the S line package, lowered suspension, and a specific sound profile that clearly signals its sporting ambitions.

Volkswagen Touareg: Innovision Cockpit and off-road heritage

The Volkswagen Touareg represents the pinnacle of its brand's lineup and focuses on massive digitalization, towing capabilities, and surprising off-road skills without compromising on comfort.

• Infotainment and digitalization: The centerpiece of the dashboard is the so-called Innovision Cockpit. This revolutionary concept seamlessly combines a 12-inch digital instrument cluster with a giant 15-inch central infotainment display into one elegantly curved unit. As a result, almost all physical buttons disappear from the interior in favor of a clean design.
• Lighting and night vision: The Touareg counters with interactive IQ.Light LED Matrix headlights, which mask oncoming vehicles with unprecedented precision and smoothness. The cooperation with the Night Vision assistant (thermal camera) is also exemplary here; it detects people or animals near the road in the dark and can specifically "flash" them to alert the driver.
• Chassis and off-road capabilities: Although the Touareg primarily targets highway comfort with excellent air suspension, unlike the Audi, it offers an optional Off-road package. This adds underbody protection, a larger fuel tank, and specific driving modes for driving on sand or gravel.
• Towing capabilities for professionals: Volkswagen's flagship is a renowned "hauler". The Trailer Assist system allows for completely simple and intuitive reversing with a trailer – the driver only sets the desired articulation angle using the mirror control, and the car corrects the steering wheel itself. An ideal helper for owners of boats or large caravans.
• Comfort and wellness on board: The ergoComfort front seats, which are certified by orthopedists, provide top-tier body support. They can also be equipped with an advanced massage function with several different programs using pneumatic cushions, which significantly delays fatigue on long journeys.

The Audi Q7 represents the pinnacle of luxury for demanding families who require first-class materials, uncompromising comfort on long journeys, and the ability to transport up to seven passengers. It masks its weight brilliantly and offers a prestigious appearance, though one must account for premium maintenance costs and poorer maneuverability in tight spaces.

The Volkswagen Touareg is ideal for drivers who want top-tier technology, air suspension, and the driving characteristics of a luxury SUV, but prefer a more understated look. It represents a more rational and, on the used car market, more cost-effective choice with fantastic towing capabilities, although from a maintenance perspective, it is not a "people's car."

Based on our own inspections through the CarAudit service, long-term owner experience, service reports, and breakdown statistics, we have compiled an overview of the most common problems that buyers of these four-year-old used cars should watch out for.

The second-generation Audi Q7 after its facelift (from 2019 onwards) is a very luxurious and generally mechanically reliable SUV, yet it has its specific weak points, which are usually associated with its extremely complex onboard electronics.

• Electronics and mild-hybrid (MHEV): A very well-known and feared problem with engines featuring a 48V system is the failure of the belt-driven starter-generator (BSG). If it fails, the car reports a charging error, may lose power, and requires a replacement, which tends to be quite expensive.
• Infotainment and onboard systems: The two touchscreens of the MMI system occasionally suffer from freezing, slow responses immediately after starting the vehicle, or spontaneous system restarts. This situation is usually resolved by a software update to a newer version at a dealership.
• Engine and gearbox: With the exceptionally popular V6 diesel engines (45 TDI, 50 TDI), drivers often complain about an uncomfortable delay from the 8-speed Tiptronic automatic transmission when pulling away or when sudden acceleration (kickdown) is needed. Mechanically, coolant leaks can also exceptionally occur in the area between the cylinder heads (in the "V").
• Chassis (air suspension): The adaptive air suspension is structurally robust, but on vehicles with higher mileage (around 150,000 km), leaks in the air springs, a faulty valve block, or compressor failure due to overworking may appear. Therefore, we always recommend an independent used car inspection before purchase, during which a mechanic tests all height positions of the vehicle.

The third generation of the Volkswagen Touareg shares the same premium MLB Evo platform and a significant portion of its technology with the Q7, so typical faults in used cars are often very similar.

• V6 TDI engines and their response: Just like its Audi relative, owners here very often report an unpleasant "turbo lag" and hesitancy from the automatic transmission before downshifting. This is more of a software characteristic due to strict emission standards than a mechanical fault.
• Innovision Cockpit and software: The giant display of the Innovision Cockpit multimedia system is quite prone to software bugs. Users report occasional black screens, connection drops with Apple CarPlay/Android Auto, or random errors in the assistance systems. Coding updates at an authorized service center help.
• Bodywork and exterior: A fairly common ailment reported by owners themselves is fogging and moisture condensation in the front LED Matrix headlights. Furthermore, on versions with larger and heavier wheels, squealing from the front brakes often occurs, which may require earlier replacement of pads and discs.
• Air suspension and assistance systems: The Touareg is also prone to more expensive chassis faults, although these occur rather exceptionally and under rougher handling. To rule out expensive surprises, however, a thorough physical inspection of the car focused on the lifting mechanism, checking the ball joints, and looking for fluid leaks from the engine compartment should always take place before purchase.

When buying a used car, a thorough inspection is key. Both of these premium SUVs share complex technology and the MLB Evo platform, so it is essential to focus on the functionality of expensive electronic and chassis systems. Before you sign the purchase agreement, a comprehensive car inspection is an absolutely ideal step that will help reveal any hidden defects. Here are some specific points to focus on for these two models.

When choosing an Audi Q7:

• 48V Belt Starter Generator (BSG): In the popular diesel V6 engines (e.g., the 50 TDI version with mild-hybrid technology), the belt-driven starter-generator is a relatively well-known weakness. Keep a close eye on the trip computer while driving and at a standstill – a warning message about an electrical system or charging error usually means this component will soon need a relatively expensive replacement.
• Automatic transmission lag: During the test drive, specifically focus on pulling away from a standstill, for example at a junction or roundabout. The combination of the 3.0 TDI engine and the Tiptronic gearbox suffered from a noticeable delay in some post-facelift model years (so-called turbo lag combined with gearbox mapping). If the car hesitates unpleasantly, a control software update may help. Also try the behavior in both Comfort and Dynamic modes.
• Air suspension condition: Manually test all suspension height modes. The compressor should not run for an unnaturally long time or make excessive noise. If the car sags to one side after sitting overnight, it indicates a leak in an air bellow or the valve block. In such a case, a detailed physical inspection of the used car on a lift is an absolute necessity.
• MMI system stability: The pair of touchscreens in the center console can occasionally "freeze." Check the startup speed of the entire system immediately after starting the engine, test whether the haptic feedback works correctly when the display is pressed, and don't forget to check the smoothness of the parking camera image when shifting into reverse.

When choosing a Volkswagen Touareg:

• Innovision Cockpit software: If the Touareg is equipped with the huge 15-inch central display, thoroughly test its smoothness. Some cars from earlier production years suffered from screen blackouts, random restarts while driving, or non-functional Apple CarPlay/Android Auto. Check the system menu to see if the infotainment has the latest software update installed, which usually resolves these issues.
• Fluid leaks in the "V" area: In the widely used 3.0 V6 TDI diesel engines (e.g., 210 kW version), coolant or engine oil leaks can occur directly in the space between the cylinder banks of the engine block. This is a defect that is difficult to see from above under the engine cover, so a technical inspection of the car from below with the plastic underbody cover removed is worthwhile.
• Rapid brake system wear: The Touareg is a massive vehicle weighing over two tons, which logically places enormous demands on the braking system. During the test drive, brake safely but firmly from a higher speed – neither the steering wheel nor the brake pedal should vibrate in your hand. At the same time, check visually and by touch (through the wheel spokes) whether the front brake discs have a significant lip indicating the need for imminent replacement.
• Noises from the rear-wheel steering: Many used Touaregs feature optional rear-wheel steering. Find an empty parking lot and try weaving with the car at low speeds. There should be no squeaking, popping, or dull thuds coming from the rear axle. Any mechanical shocks would indicate expensive play in the rear-wheel steering control mechanism.

Sources: ADAC, e15.cz, auto.cz, autorevue.cz, emobility.cz, automotorsport.cz

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