Ford Puma vs. Kia Stonic: Complete comparison 2026

The Ford Puma, a popular subcompact crossover reviving a famous name from the nineties, offers drivers exceptionally agile driving characteristics and an innovative approach to practicality. Its challenger is the Kia Stonic, also known as the Kia KX1 in selected Asian markets, which bets on a confident design, proven reliability, and an excellent price-to-value ratio. In the following comparison, let's take a detailed look at which of these two popular city crossovers represents the smarter choice for your next used car purchase.

When we place the Ford Puma and Kia Stonic side by side, it is clear at first glance that both models target the popular urban crossover segment. When comparing the generations that are currently most in demand on the used car market (i.e., cars roughly four years old), we find clear differences in external proportions. The Ford Puma is overall a slightly more robust and larger car. For example, the Puma measures 1805 mm in width, while the Stonic offers only 1760 mm. This 45 mm difference contributes to the fact that the Ford feels much more confident on the road, and inside, the occupants can benefit from a slightly airier space in the shoulder area.

In terms of overall length and height, Ford again has the upper hand. The Puma reaches a length of 4186 to 4266 mm (depending on specific equipment or the sporty ST version), while the Kia Stonic sticks to a more modest and compact 4140 to 4165 mm. A similar, though less pronounced, trend also prevails in body height. In practice, this means that although the Stonic is more agile when trying to park quickly in narrow city streets, the Puma has extracted a more mature driving performance and slightly better directional stability from its longer body and slightly larger wheelbase (2588 mm compared to 2580 mm).

Deciding between the two models from the perspective of external dimensions thus depends primarily on your typical daily territory. If you spend the vast majority of your time in heavy city traffic and count every saved centimeter in a small parking space, the more compact dimensions of the Kia Stonic will make your life significantly easier. However, if you prefer a visually more substantial design, a wider stance, and want a car that proportionally gives the impression of being a class larger, the Ford Puma becomes the ideal candidate.

Overview of External Dimensions

When it comes to choosing a compact city crossover, the luggage compartment volume often plays a decisive role in everyday practicality and family usability. Although both models belong to a similar size category, a look into the trunk reveals quite significant differences that can tip the scales in favor of one of them. Among approximately four-year-old vehicles on the used car market, both models are strong competitors; however, in terms of transport capacity, the balance of power is uneven.

The second-generation Ford Puma significantly dominates here thanks to its clever layout. In its standard configuration, it offers a trunk volume of 456 liters, which is a highly above-average value in this class, sufficient for weekend shopping or a longer vacation. After folding the rear backrests, you get a maximum capacity of 1216 liters. A huge advantage is that the very popular mild-hybrid versions (EcoBoost Hybrid) maintain the same volume as the purely internal combustion models (1.0 EcoBoost and 1.5 EcoBlue). Furthermore, the Puma scores with its innovative washable "MegaBox" hidden under the trunk floor, which allows for the convenient transport of tall items. For completeness, it can be mentioned that the upcoming newer purely electric Gen-E version increases the capacity up to 523 liters.

The Kia Stonic is noticeably more modest compared to the Ford. Its luggage compartment holds 352 liters in its basic configuration, which in practice means that compared to the Puma, you lose space for several smaller extra suitcases. The maximum volume after folding the seats in the Stonic model is 1155 liters, and these values do not decrease even for the mild-hybrid variants on the used car market. For everyday city life and shorter trips, this space is perfectly sufficient, but for more demanding users or families requiring the regular transport of strollers, this difference of more than a hundred liters can be significant.

Luggage Compartment Volume Comparison

When it comes to towing capacities, the Ford Puma and Kia Stonic show how significantly modern compact crossovers can differ. This parameter is absolutely crucial for all buyers looking for a versatile car with the option of attaching a trailer or a bike rack. The correct trailer weight value determines whether the vehicle can handle only occasional help or can easily cope with heavier loads.

Ford Puma (2nd generation, vehicles around model year 2022)
The Puma profiles itself as a surprisingly capable hauler. Most variants offer a maximum braked trailer weight of up to 1,100 kg, which applies especially to the very popular 1.0 EcoBoost Hybrid engines. Standard non-hybrid versions of this engine most often tow 900 kg. An unbraked trailer can have a weight of approximately 640 kg for the Puma. An interesting point is the top-of-the-line sporty 1.5 EcoBoost ST version. Due to its specifically tuned chassis and sports exhaust system, its towing capacity is significantly reduced to just 750 kg.

Kia Stonic (YB generation, vehicles around model year 2022)
The competing Stonic has values set slightly lower across the board. The standard braked trailer weight is around 900 kg for modern mild-hybrid and classic 1.0 T-GDI versions and 910 kg for the 1.2 naturally aspirated four-cylinder. Kia offered the absolute maximum at the level of 1,110 kg only for older 1.6 CRDi diesel versions or early 1.0 T-GDI variants produced until 2020; you will encounter them rather exceptionally among four-year-old used cars. Furthermore, the unbraked trailer for the Stonic model is limited to a relatively low 450 kg, and some of the very latest hybrid variants after 2024 have even limited the braked capacity to 710 kg.

Summary and practical use
In practice, these differences mean that while the Ford Puma provides the necessary reserve for heavier loads and its capacity is sufficient for weekend shopping and longer holidays (it can even tow a lighter caravan), the Kia Stonic serves more for smaller trailers. With the Kia, you get a guarantee of safe transport of light material to the cottage or space for a few extra suitcases. In terms of overall usability, the Ford Puma feels like a noticeably more robust workhorse, while the Stonic will suit primarily undemanding users with basic family needs.

The Ford Puma bets on a dynamic approach and modern mild-hybrid technology, while the Kia Stonic offers a wider and more traditional range of conventional naturally aspirated and turbocharged engines. While the base engines in the Stonic will appeal more to undemanding drivers on a tight budget, the Ford Puma starts straight away with energetic 1.0 EcoBoost three-cylinder engines and offers a greater power reserve for trips outside the city. The differences deepen most in the top versions – while the Stonic ends at a rational 88 kW (120 hp) with the 1.0 T-GDI engine, the Puma will delight sporty drivers with the uncompromising 1.5 EcoBoost ST derivative with a staggering output of 147 kW (200 hp). Over the years, both automakers have responded to stricter emission standards by deploying electrification and gradually phasing out diesel units. For those looking at the market for roughly four-year-old used cars, this means that the choice of diesel variants is very limited, and advanced petrol units play the leading role on both fronts. Overall, Ford is more oriented towards driving experience and performance, while Kia targets affordability, proven technical simplicity, and low service costs.

Ford Puma: Sporty Genes and Sophisticated Electrification

The range of engines for the Ford Puma (2nd generation) is primarily based on the award-winning turbocharged 1.0 EcoBoost three-cylinder, which is mainly found on the four-year-old used car market in conjunction with 48V mild-hybrid technology (mHEV). Standard versions offer 92 kW (125 hp) or 114 kW (155 hp) and are characterized by excellent flexibility, to which the rapid support from the electric motor replacing turbo lag significantly contributes. For pure automotive enthusiasts, the Ford Performance division prepared the hot Puma ST version. This initially dazzled with a fantastic 1.5 EcoBoost three-cylinder with 147 kW (200 hp) and a precise manual gearbox, while later the range was enriched by the smaller mild-hybrid 1.0 EcoBoost ST with 125 kW (170 hp) and a PowerShift dual-clutch automatic. The classic non-hybrid 1.0 EcoBoost, as well as the rare 1.5 EcoBlue diesel four-cylinder (88 kW), were phased out at the end of 2021, so you will encounter them only very rarely when looking for more modern used cars.

Kia Stonic: A Rational Choice Even Without a Turbocharger

The Kia Stonic (YB generation) takes a noticeably more conservative approach to its powertrain lineup, and exceptionally simple naturally aspirated engines can be found in its range, which is a highly sought-after feature in today's market. Initially and for most of its production time, the 1.2 CVVT four-cylinder (later designated DPI) with 62 kW (84 hp) served as the base choice. With its 122 Nm of torque and five-speed manual, this engine is an absolutely ideal tool for calm city traffic and scores points for its renowned long-term reliability without the risk of expensive repairs to complex emission systems. However, the backbone of the nearly-new used car market consists of much more dynamic turbocharged 1.0 T-GDI three-cylinders with 74 kW (100 hp) or 88 kW (120 hp). After the 2020 facelift, the more powerful variant also received 48V mild-hybrid assistance (EcoDynamics+) with a choice of a seven-speed DCT automatic or the unique iMT manual transmission (with an electronically controlled clutch). A solid 1.6 CRDi (81 kW) engine was the diesel alternative for drivers with higher motorway mileage, but it was quietly removed from the price lists at the end of 2020. The larger 1.4 MPI petrol four-cylinder (74 kW) ceased to be offered as early as 2019, so you won't encounter it at all in the case of cars around four years old.

Choosing the right engine is absolutely crucial for long-term satisfaction and vehicle reliability. While both manufacturers primarily opted for small-displacement turbocharged three-cylinder engines for these crossovers, their approaches differ. For the Puma, Ford relied almost exclusively on sophisticated mild-hybrid technology (mHEV) paired with the 1.0 EcoBoost engine, while the 1.5 EcoBlue diesel quietly disappeared from the lineup at the end of 2021 and is quite rare on the four-year-old used car market. The Kia Stonic, on the other hand, maintained a more diverse range throughout its production, including simple naturally aspirated engines (1.2), although it too said goodbye to the 1.6 CRDi diesel back in 2020. Our recommendation therefore focuses on the ideal compromise between real-world fuel consumption, dynamics, and mechanical durability, which makes the most sense in the young used car market.

For the Ford Puma, we recommend: 1.0 EcoBoost mHEV (92 kW / 125 hp)

• Why it's the best choice: This mild-hybrid unit is the absolute core of the Puma's range and completely dominates the used car market for 2021 and 2022 models. The 92 kW version represents the ideal balance between sufficient performance and reasonable running costs, without requiring the price premium of the more powerful 114 kW (155 hp) variant.
• Technical advantages: The integrated starter-generator (ISG) in the mild-hybrid system excellently masks turbo lag at low RPMs and smoothly evens out power delivery. This makes the engine very flexible, and real-world fuel consumption in long-term mixed driving stays around a great 5.5 to 6 l/100 km.
• Risks and weaknesses (how to address them): Older generations of 1.0 EcoBoost engines were notorious for the destruction of the main timing belt, which was bathed in oil. However, the Puma uses a newer evolution of the engine, where the main timing is driven by a much more reliable chain. But be careful—the oil pump is still driven by a "wet" belt. To prevent it from crumbling and causing fatal engine seizure, it is absolutely necessary to shorten the oil change interval to 10,000–15,000 km (or a maximum of 1 year) and strictly use only oil of the exact specification approved by Ford.
• Who it's for: It's a great choice for active drivers and daily commuting alike. The mild-hybrid assistance makes stop-and-go city traffic more pleasant, while the 125 hp output is more than enough for brisk highway cruising and long-distance weekend trips.

For the Kia Stonic, we recommend: 1.0 T-GDI 100 (74 kW / 100 hp)

• Why it's the best choice: While the base 1.2 engine is extremely reliable, it noticeably runs out of breath outside the city. The successful naturally aspirated 1.4-liter ended in 2019, and the economical 1.6 CRDi diesel in 2020, so you won't encounter them in a four-year-old used car. The turbocharged 1.0 T-GDI three-cylinder with 100 hp is therefore the "golden mean" for models around 2022—it offers significantly better and safer dynamics than the base engine and, in older model years, lacked the more complex 48V mild-hybrid system found in the more powerful 120 hp version.
• Technical advantages: The engine has very robust timing chains and, for a three-cylinder design, surprisingly quiet and refined operation. Maximum torque is available at favorably low RPMs, making the lightweight Stonic feel very agile behind the wheel. Real-world fuel consumption reliably stays around the 6 l/100 km mark.
• Risks and weaknesses (how to address them): Since this is a direct-injection engine (T-GDI), frequent lugging (driving at very low RPMs) and exclusively short city trips where the engine doesn't fully warm up can lead to carbon buildup on the intake valves. You can prevent this by occasionally taking the car for a longer, more dynamic drive outside the city and using premium fuel with cleaning additives. For long-term reliability, we recommend choosing a manual transmission for a used car. The optional DCT7 dual-clutch automatic can suffer from premature clutch wear if driven frequently in heavy city traffic.
• Who it's for: An ideal universal choice for mixed use. It serves perfectly as an agile car for suburban commuting and shopping, but it certainly won't let you down when overtaking on country roads or driving on the highway.

Official fuel consumption figures provided by manufacturers are often significantly more optimistic than everyday reality, especially for modern small-displacement turbocharged engines that are extremely sensitive to driving style. To get a more accurate picture of the real fuel costs you can expect with roughly four-year-old used cars from 2020–2022, we rely on real-world data from drivers collected on the Spritmonitor.de platform. These data clearly show that although car manufacturers boast very low figures in technical specifications, in practice, a slight increase must be expected, particularly with petrol engines.

A detailed look at the average real-world figures reveals several interesting trends. For long-distance highway travelers, diesel engines represent the most economical choice – the 1.5 EcoBlue in the Ford and the 1.6 CRDi in the Kia. Both can achieve a very pleasant fuel consumption of around 4.6 l/100 km. However, diesel versions of small crossovers are somewhat rare on the used car market and are not ideally suited for the primary purpose of these vehicles. For the most popular petrol variants, there is a rather surprising finding: small one-liter turbo engines do not save fuel as drastically as theory suggests. Interestingly, the basic naturally aspirated 1.2 four-cylinder in the Kia Stonic can be slightly more economical during smooth driving than the comparably powerful turbocharged three-cylinder. Mild-hybrid technology (mHEV/48V), offered by both brands, can reduce consumption by about half a liter in the real world, mainly in heavy city traffic thanks to more frequent energy recovery and smoothing out power peaks.

For the average motorist choosing a car for daily commuting, shopping, and occasional weekend trips, it makes the most sense to opt for the aforementioned mild-hybrid versions. With an average consumption ranging from 6 to 6.3 liters, they offer the best balance of operating costs and dynamics. Drivers focused purely on reliability and a low budget will likely most appreciate the simple naturally aspirated Kia Stonic 1.2 variant. At the opposite end of the spectrum is the sporty Ford Puma ST with its powerful 1.5 EcoBoost engine, where the average appetite is logically significantly higher, and figures around 7.5 l/100 km are an acceptable price to pay for an engaging driving experience.

In the end, it turns out that fuel consumption should not be the main factor deciding your choice between these two models. Both the Ford Puma and Kia Stonic offer nearly identical operating costs for their most popular petrol generations, differing only by a few tenths of a liter. The final verdict should therefore be based more on preferences regarding driving characteristics, space requirements, and overall design appeal, rather than an effort to save negligible amounts at the pump.

The used car market in the small city crossover category offers a diverse selection. If we focus on models approximately four years old (2021–2022 model years), we encounter noticeable differences in price levels. The Ford Puma, as a slightly more premium-oriented crossover with more modern mild-hybrid technologies, holds its value better, while the Kia Stonic represents a significantly more affordable and practically oriented choice.

While the Kia Stonic targets customers looking for the best possible value for money, the Ford Puma attracts buyers willing to pay extra for a more dynamic design and a more sophisticated chassis.

• Kia Stonic: Four-year-old used cars with the base 1.2 DPi engines or the turbocharged 1.0 T-GDI start around the attractive threshold of €9,500 to €9,900. Better-equipped cars with lower mileage then usually reach amounts between €11,500 and €12,300. The Stonic is thus an excellent choice for buyers on a limited budget.
• Ford Puma: This model holds its price significantly more confidently. Used Pumas (2021 and 2022 model years) with the popular one-liter three-cylinder EcoBoost start at amounts around €12,500 to €13,600. If you are looking for cars in the more attractive ST-Line sport trim, expect their price to commonly climb to the level of €15,600 to €16,500.

Depreciation and Hidden Advantages of Used Cars

In terms of initial costs, the Kia Stonic is one of the most affordable representatives of the B-segment crossover category. Its huge advantage on the used car market is the renowned seven-year factory warranty. For an approximately four-year-old car, there are often two to three years of warranty coverage remaining, which gives used car buyers great peace of mind.

The Ford Puma, on the other hand, benefits from its modern rounded look and much more agile driving characteristics. It is among the sought-after cars, and its great popularity among European customers helps keep its residual value at a very good level. The higher purchase price of a four-year-old Puma is thus balanced in the long term by a slower and more stable price depreciation during potential resale.

When evaluating safety, at first glance both models can boast a maximum five-star rating from the independent organization Euro NCAP. However, it is extremely important to put this result into context and consider the year the testing took place. Euro NCAP's methodology and test protocols are constantly evolving and becoming significantly stricter over time. For this reason, percentage scores from different years cannot be directly compared. While older tests were more lenient, the latest ones require advanced frontal impact simulations, reliable cyclist detection, and handling complex crisis scenarios, such as turning at intersections.

Ford Puma was last subjected to crash tests in 2022. Although the car received five stars upon its original launch in 2019, re-testing under the new and significantly tougher protocols resulted in an overall score of four stars. In practice, however, this result represents a high and very current level of safety. The Puma earned a 75% rating for adult occupant protection and an excellent 84% for child protection. The score for vulnerable road user protection reached 70%, and modern safety assistance systems received a very solid 69%. The result reflects the presence of modern assistants that stand up even to the latest standards.

In contrast, the Kia Stonic underwent Euro NCAP crash tests back in 2017. Furthermore, the car only achieved the full five stars in versions equipped with the optional Safety Pack (the standard version had to settle for three stars). The tested model with the safety package achieved an impressive 93% in adult protection and 84% for child protection. Vulnerable road user protection was 71%. From today's perspective, however, the active assistance systems with a rating of 59% clearly lag behind the current state of the art. Due to the age of the test and the more lenient methodology, the official five-star certification for this model is now considered expired.

In terms of overall safety, the Ford Puma proves to be a significantly more modern and comprehensive choice for buyers in the used car market. Even though the Kia Stonic has seemingly higher percentage gains from its older test, the Ford has passed through a much more demanding sieve in the recent past. It offers more advanced protective and assistance features designed to effectively protect the occupants from the threats of today's dense traffic.

In addition to standard equipment, each model offers a range of unique features, and both approach added value in their own way. While the American brand bets on unrivaled practical gadgets and driving experiences, the Korean challenger counters with extensive individualization options and modern powertrain technologies.

Ford Puma: Clever Solutions and Genuine Sporting Spirit

With the Puma, Ford has managed to combine attractive looks with surprising everyday usability and above-standard driving characteristics.

• Luggage Space and MegaBox: An absolutely iconic feature of this model. Under the trunk floor is an 80-liter washable compartment with its own drain plug. It's the ideal place for transporting muddy shoes, wet sports equipment, or even small potted plants.
• Interior Practicality: Ford thought about maintenance, which is why it offers seats with removable, zippered covers on selected trim levels. If they get dirty, you simply take them off, wash them in the washing machine, and put them back.
• Mild-hybrid Technology and Chassis: The award-winning 1.0-liter three-cylinder EcoBoost, combined with a mild-hybrid system, perfectly complements the stiffer but phenomenally tuned chassis. The Puma is considered one of the best-driving cars in its segment and doesn't hide the genes of its relative, the Fiesta.
• Sport Derivatives: For fans of dynamics, the ST-Line package is available, bringing sportier bumpers and stiffer dampers. At the top sits the full-fledged Puma ST model, which, with 200 hp and an available limited-slip differential, represents a true pocket rocket.
• On-board Electronics and Infotainment: In front of the driver, there can be a fully digital 12.3-inch instrument cluster that changes graphics depending on the selected driving mode. The SYNC 3 multimedia system is fast, clear, and reliably mirrors smartphones.

Kia Stonic: Extensive Personalization and Innovative Transmission

After its update around 2020, the Kia Stonic has significantly rejuvenated in terms of on-board technology and focuses on offering owners maximum connectivity and chic urban style.

• Design and Colors: Kia offers extensive personalization options for the Stonic. Striking two-tone body paint with a contrasting roof can be combined with colorful decors in the interior itself, allowing you to easily customize the car to your taste.
• Connectivity and Telematics: After the facelift, the Stonic boasts the UVO Connect (or Kia Connect) system with an 8-inch screen. This brings features such as online navigation with real-time traffic data, parking space search, or remote access to the vehicle via a mobile app.
• Innovative iMT Manual: A completely unique technical solution for the 1.0 T-GDi mild-hybrid powertrains is the Intelligent Manual Transmission (iMT). Its clutch is not operated mechanically but electronically ("clutch-by-wire"). This allows the car to completely shut off the engine and "coast" when the accelerator is released without having to shift into neutral, which realistically reduces fuel consumption.
• GT-Line Trim: For those looking for a more dynamic look, Kia introduced the GT-Line variant. It offers more aggressively cut bumpers, a rear diffuser, a sports steering wheel, and specific alloy wheels. Unlike the full-blooded Ford Puma ST, however, the Stonic's chassis remains faithful to everyday comfort without extreme sporting ambitions.
• Advanced Assistants: The Drive Wise safety system package includes features such as Lane Following Assist (LFA), which keeps the car in the center of the lane, or an improved autonomous emergency braking system that reliably recognizes cyclists and pedestrians.

The Ford Puma is ideal for drivers who demand driving fun, attractive looks, and a cleverly designed luggage space from a compact crossover. Its sportier and playful character, however, comes at the cost of stiffer damping of bumps and more cramped space in the second row of seats.

The Kia Stonic represents a very rational and affordable choice for buyers who appreciate the security of a long factory warranty, clear controls, and undemanding daily operation. It is perfectly suited for individuals or couples moving mainly in the city and its surroundings, but will less satisfy families with higher demands on transport capacity.

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

Ford Puma

The Ford Puma is generally rated as a reliable crossover, yet specific defects can occur that you should focus on in detail during a physical inspection of a used car.

• Engine and belt-in-oil: In older versions or with neglected maintenance of 1.0 EcoBoost mild-hybrid engines, there is a risk of degradation of the belt driving the oil pump (the so-called wet belt). If the owner does not follow strict replacement intervals for the correct type of oil, the belt crumbles and clogs the pickup screen, which can lead to fatal engine failure.
• Discharged 12V battery: A large number of owners of models from the first years of production complained about the 12V battery draining quickly in mild-hybrid (MHEV) versions. This problem is most often caused by a control unit error and is usually resolved by a software update.
• Infotainment SYNC 3: With the multimedia system, users encounter screen freezing, Bluetooth connection drops, or instability of the Apple CarPlay and Android Auto interfaces.
• Interior build quality: When driving on poor-quality roads, plastic creaking is sometimes heard from the dashboard and door panels. Many units show minor cosmetic play in the interior after several years of operation.

Kia Stonic

The Kia Stonic is considered a mechanically durable and simple car; however, before making a final purchase decision, an independent technical inspection focused on the following known weaknesses is worthwhile.

• Clutch and gearboxes: In manual transmissions, especially in combination with the 1.0 T-GDi engine, the clutch wears out relatively early. With the seven-speed dual-clutch DCT automatic, uncomfortable jerking when starting off may occur over time in heavy city traffic.
• Particulate filters (GPF): If a vehicle with a direct-injection gasoline engine (T-GDi) was operated exclusively on short city routes, problems with particulate filter regeneration may occur. This leads to loss of power and a lit engine warning light.
• Body paint susceptibility: Owners often complain about soft and thin body paint. The hood and front bumper of four-year-old cars often bear marks from stone chips, while the sides are more susceptible to scratches from car washes.
• Electronics and sensors: Errors occasionally occur in the tire pressure monitoring system (TPMS), where sensors report under-inflation even for correctly inflated wheels. The onboard system and navigation may occasionally freeze.

When buying a used car, a thorough inspection is key. Whether you are deciding on a sportier Ford or a practical Kia, the absolute foundation of a successful purchase should be a detailed physical inspection of the used car and a careful test drive. Here are some specific points to focus on for these two models, which most frequently appear in used car dealerships as roughly four-year-old vehicles (generations around the 2020–2022 model years).

When choosing a Ford Puma:

• Oil condition and oil pump belt (EcoBoost engines): Although newer mild-hybrid engines (from 2020 onwards) switched to a more durable chain for the main timing, the oil pump is still driven by a belt running in an oil bath. If the previous owner extended oil change intervals or used the wrong lubricant specification, the belt can crumble and clog the pickup strainer. Demand a perfectly clean service history and check for traces of sludge inside after unscrewing the oil cap. Any flickering of the oil pressure warning light is an immediate deal-breaker.
• Condition of the mild-hybrid system (mHEV): During the test drive, focus on the smoothness with which the integrated starter-generator engages. Try releasing the accelerator pedal and watch if the system smoothly recuperates energy and seamlessly shuts down and restarts the engine (start-stop system). If the internal combustion engine does not start lightning-fast and imperceptibly, or if jerking occurs, it may be an indication of a degrading 48V battery or loose contacts.
• Behavior of the seven-speed automatic: The dual-clutch transmission can occasionally hesitate or jerk in used cars with higher mileage. During the test drive, simulate stop-and-go traffic. Pay special attention to the smoothness of the pull-away itself and the shift from first to second gear. Jerking usually points to an approaching expensive clutch replacement.
• SYNC 3 infotainment responsiveness: On early production models (around 2020), touchscreen freezing, Bluetooth connection drops, or unstable mirroring via Apple CarPlay and Android Auto may occur. Thoroughly "click through" the system before driving and check that it responds briskly. A software update usually helps, but sometimes it can be a faulty module.

When choosing a Kia Stonic:

• Clutch slip in the automatic (7DCT): Similar to the Ford, for a four-year-old Stonic, it is necessary to focus on the behavior of the seven-speed dual-clutch transmission with dry clutches. Take the car into city traffic and observe the smoothness of pull-aways from intersections. Significant vibrations when releasing the brake, noticeable jerking, or slipping when shifting from first to second are unmistakable signs of an excessively worn clutch set.
• Manual transmission with electronic clutch (iMT): If you are looking at a facelifted model paired with a mild-hybrid and an iMT manual, be aware that this car lacks a mechanical link between the clutch pedal and the transmission itself (so-called "clutch-by-wire"). During the test drive, verify that the system responds correctly and smoothly during rapid downshifting. It may feel rubbery at first, but it should not prevent gears from engaging easily.
• Cold starts of the 1.0 T-GDi engine and the 12V battery: Many owners point out the rapid degradation of the conventional 12V battery. The first warning signs are slower morning starts and a completely disabled intelligent start-stop (ISG) system. The three-cylinder engine itself may vibrate slightly and feel rougher immediately after a cold start. However, the RPMs should settle within a minute after warming up. If not, it could indicate a problem with the injectors or ignition.
• Thumping from the stiffer chassis: The Stonic has a relatively stiff tuning of the dampers and springs, which makes it confident on the road but takes its toll on broken surfaces. Find a poorer section of road with speed bumps or rougher potholes and roll down the windows. Listen carefully – any hollow thuds or metallic knocking will alert you to typical play in the stabilizer links, tie rod ends, or control arm bushings.

Sources: ADAC, lidovky.cz, denik.cz, hybrid.cz, autojournal.cz, logistika.ihned.cz

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