Peugeot 508 vs. Volkswagen Passat: Complete comparison 2026

Volkswagen Passat, also known as the Magotan or NMS in some non-European markets, represents a long-standing benchmark of practicality and understated German elegance in the mid-size class of family and executive cars. Standing against it is the Peugeot 508, which is sold as the 508L in an extended version for the Asian market, and instead appeals to drivers' senses with its extravagant, aggressive design and more emotional French approach. Let's take a detailed look at how these popular roughly four-year-old used cars, representing two completely different approaches to the automotive world, fare in a direct comparison to find out which one will be the better choice for you.

When looking at the exterior dimensions, the different philosophies of the two carmakers are fully revealed. While the Volkswagen Passat (especially the B8 generation, which you will most often encounter on the market for roughly four-year-old used cars) relies on traditional, more majestic, and conservative proportions, the second generation of the Peugeot 508 brought a breath of fresh air to the mid-size segment in the form of a predatory and sporty design. The Passat is a car that tries to maximize interior space and utility within a given footprint, while Peugeot sacrificed some boxiness in favor of emotion and excellent aerodynamics. For the buyer, this means a choice between 100% everyday practicality and an unmistakable visual style.

Length and Width: A Close Battle of Millimeters

In terms of overall length, both cars are surprisingly close. The Peugeot 508 in the estate version (referred to as SW) measures 4778 mm, slightly surpassing the Volkswagen Passat Estate, whose length ranges from 4767 to 4773 mm depending on the exact specification and body accessories. In practice, you will hardly notice a difference of just a few millimeters when parking, and both cars will fill a standard parking space almost completely.

However, the comparison of width is more interesting. The French representative, at 1859 mm, is a noticeable 27 mm wider than the German Passat (1832 mm). This wider stance gives the Peugeot a more confident and dynamic presence on the road and can feel like it provides a bit more shoulder room inside the cabin. On the other hand, you will have to be a bit more careful with it in narrow underground garage entrances or narrowed lanes on the highway.

Height and Wheelbase: Dominance of Different Approaches

The most radical difference can be found when comparing the overall height of both bodies. The Peugeot 508 is set extremely low – its base variant (often classified as a hatchback or rather a liftback with a tailgate) has a height of only 1403 mm. The traditional sedan from Volkswagen is significantly taller at 1456 to 1483 mm. This height difference, which in some places exceeds 70 mm, has a fundamental impact on the overall impression of the car. In the Peugeot, you sit more sportily closer to the road, but getting in and out is incomparably more comfortable in the Passat.

On paper, a slightly longer wheelbase (2793 mm compared to 2786–2791 mm for the Passat) contributes to the Peugeot's better directional stability. A longer wheelbase usually promises more longitudinal legroom for rear passengers. In the 508 model, however, this benefit is quite significantly limited by the sportily sloping roofline. Therefore, if you are looking for a more airy cabin with more headroom and easy access to the rear seats (for example, for easier handling of child car seats), the Passat will be the more sensible and accommodating choice from a user perspective.

Clear Table of Dimensions

Below is a comparison of key parameters for the generations most commonly found on the nearly new used car market (Peugeot 508 2nd generation and Volkswagen Passat B8 generation).

When choosing a family car or a long-distance cruiser, luggage capacity plays one of the key roles. Both the Volkswagen Passat and the Peugeot 508 approach practicality with different philosophies. While the German benchmark bets on maximizing usable volume and regular shapes that easily swallow weekend shopping and equipment for a longer holiday, its French competitor prefers dynamic curves and an elegant silhouette at the expense of absolute boot size. For typical four-year-old used cars from popular generations (Passat B8 and the second-generation 508), if every extra liter is decisive for you, the Passat offers a significantly airier solution.

The fundamental differences stand out especially in the most popular estate body styles. The eighth-generation Volkswagen Passat Variant impresses with a base capacity of 650 liters, which reliably provides space for several extra suitcases compared to most competitors. The Peugeot 508 SW, on the other hand, is limited by its sporty, sloping "shooting brake" style rear and holds a slightly more modest 530 liters in its base configuration. However, a surprise comes after fully folding down the rear backrests, when both family estates unusually match each other with a generous maximum capacity of 1,780 liters. In terms of overall access to the luggage compartment and the regularity of the loading opening, however, Volkswagen remains a noticeably more practical choice.

The comparison of shorter body variants is equally interesting. While the practically designed Peugeot 508 liftback has 487 liters of base volume, the Passat, as a traditional sedan, counters with 586 liters. With the Peugeot liftback, however, thanks to the opening of the entire tailgate, you get an excellently accessible 1,537 liters after folding the seats. In the Passat sedan, the total transport capacity is limited by the body construction to 1,152 liters. Also worth noting are the popular plug-in hybrid versions, where large batteries usually take away valuable centimeters. Thanks to a clever platform, the French automaker maintains exactly the same boot volume for its hybrids as for pure internal combustion engines. In contrast, the hybrid Passat GTE Variant sees a noticeable reduction in space, offering only 483 liters in its base configuration.

The ability to tow a trailer can be a decisive factor for many used car buyers, whether they are looking for extra space for a few suitcases, a trailer for weekend shopping at a DIY store, or need to regularly tow a heavy family caravan. In this discipline, the Volkswagen Passat and Peugeot 508 differ quite fundamentally, mainly due to the different approaches to the overall concept of both cars.

The eighth-generation Volkswagen Passat (B8) is traditionally considered a dominant workhorse in the mid-size class. Even with standard petrol engines like the 1.5 TSI, it offers a very respectable maximum braked towing capacity of 1,600 kg. However, the real strength comes with the popular 2.0 TDI diesel or the top-of-the-line 2.0 TSI petrol. These versions can handle an impressive 2,000 to 2,200 kg on the hitch. This capacity is more than enough to tow large caravans or horse trailers. The plug-in hybrid Passat GTE also performs very well, with a solid limit of 1,600 kg.

In contrast, the second-generation Peugeot 508 is built with a greater emphasis on design, low weight, and aerodynamics. This takes its toll on towing capacity. The most powerful variants, specifically the popular 2.0 BlueHDi diesel engine, can handle a maximum of 1,800 kg. For more common versions, such as the 1.2 PureTech three-cylinder petrol or the entry-level 1.5 BlueHDi diesel, the limits range only between 1,330 and 1,500 kg. The plug-in hybrid versions are a specific case. While the battery only slightly limits the Passat, the Peugeot 508 HYBRID offers a reduced capacity in the range of 1,300 to 1,340 kg. For the most powerful sports version, the PSE HYBRID4 with all-wheel drive, the value drops even further to 1,260 kg.

If a tow bar is a key criterion for your work or active holidays with heavy loads, the Volkswagen Passat will offer you significantly better options and a sense of confidence. While the Peugeot 508 can easily handle a small trailer with wood or a light folding caravan, it is not built for demanding work.

Comparison of towing weights of selected engines (used market representatives ~4 years old)

In the table below, you will find a comparison of relevant generations from the current used car market. The unbraked towing capacity for most cars in this category is legally and technically limited to the standard 750 kg.

The Peugeot 508 and Volkswagen Passat represent two completely different approaches to powertrains in the executive car segment. While the Passat bets on proven tradition, a wide range of extremely efficient TDI diesels, and versatile TSI petrol engines, Peugeot has significantly focused on electrification and a distinctive driving character in its second generation. For those looking for a roughly four-year-old used car, this means a fundamental difference in choice: Volkswagen continues to reign in the used car market with robust two-litre diesels in several power versions, which are also often paired with 4MOTION all-wheel drive. Peugeot, on the other hand, phased out its larger two-litre diesels (2.0 BlueHDi) around 2020 and focused primarily on highly advanced plug-in hybrids. The Passat traditionally scores with lightning-fast DSG dual-clutch transmissions, while the attractive Frenchman relies almost exclusively on the comfortably and smoothly shifting EAT8 eight-speed automatic with a torque converter.

Peugeot 508: Emphasis on Style and Advanced Plug-in Hybrids

Under the hood of the second-generation Peugeot 508, downsizing and the gradual implementation of electrified technologies play the main role. The base of the petrol range is the lightweight 1.2 PureTech three-cylinder with 96 kW, which bravely fulfills the role of the entry-level engine. The more powerful 1.6 PureTech four-cylinders are somewhat more dynamic. Diesel fans looking at used cars manufactured after 2020 will encounter the efficient 1.5 BlueHDi (96 kW) almost exclusively. The more powerful 2.0 BlueHDi diesel units with 120 and 130 kW disappeared from the range relatively early, so you'll need a good deal of luck to find them on today's used car market. Today, the used Peugeot 508 is also sought after for its plug-in hybrids labeled HYBRID 180 and 225. At the absolute technological peak sits the rare PSE (Peugeot Sport Engineered) sports version, which cleverly combines an internal combustion engine with two electric motors for a fantastic total output of 265 kW (360 hp) and 0-100 km/h acceleration in just 5.2 seconds.

Volkswagen Passat: The Unrivaled King of Highway Kilometers

Following its extensive facelift, the Volkswagen Passat B8 confidently holds the flag for classic highway cruisers with extremely efficient and mechanically proven internal combustion engines. The petrol entry point is the 1.5 TSI four-cylinder with smart Active Cylinder Technology (ACT) producing 110 kW. A more confident drive with a large power reserve is provided by the 2.0 TSI engine (offered from 140 kW up to a massive 200 kW), where the top versions are always paired with all-wheel drive. However, the heart of the model for the typical buyer is undoubtedly the legendary 2.0 TDI diesel engine, available in many power outputs (110, 140, and 147 kW). The older 1.6 TDI base version disappeared from price lists in early 2020. The ecological yet dynamic answer is the Passat GTE – a reliable plug-in hybrid with a system output of 160 kW, which easily handles average daily city commutes on a single charge.

When making the final decision, it primarily depends on where and how often you use your car. For highway drivers and families spending weekends on long trips, the Passat with the 2.0 TDI engine is the perfect machine, guaranteeing a huge range and excellent operating economy. Drivers looking for style who spend most of their time commuting in suburban traffic should, on the other hand, consider the Peugeot 508. Its interesting plug-in hybrid units can offer quieter and cleaner operation, while the brutally fast PSE version adds a healthy dose of real emotion to the world of efficient estates and liftbacks.

Choosing the right engine is crucial for long-term satisfaction with a car, and our recommendations are based on real-world experience, fuel consumption in traffic, and mechanical reliability. Both cars are respected icons of the mid-size class (the so-called D-segment), but their development has diverged dramatically in recent years. While Volkswagen has continuously refined its renowned two-liter diesel in the popular Passat B8 generation, eventually equipping it with Twin Dosing technology to drastically reduce emissions (thereby maintaining its market position even among nearly new used cars), Peugeot opted for significant downsizing and electrification for the second generation of its elegant 508 model. Availability data reveals an interesting fact: due to strict fleet emission standards, Peugeot phased out its best two-liter diesel after 2020, replacing it mostly with plug-in hybrids. For those interested in a roughly four-year-old used car, this means that for the French car, they will either have to search for older stock or carefully consider alternatives, while the German competitor's range remains stable.

For the Peugeot 508, we recommend: 2.0 BlueHDi (120 kW / 160 hp or 130 kW / 180 hp)

Although available data shows that this excellent engine was only available in the 508 generation between 2018 and 2020 (so for typically four-year-old cars, you will have to hunt among older model years or compromise with the weaker 1.5 BlueHDi), it remains the absolute best and most reliable choice for the heavy and stylish fastback or SW estate. Why it's the best choice: It offers a perfect balance between confident highway dynamics and reasonable operating costs, fitting the premium character of the car with frameless windows much better than the more strained 1.5-liter engine, while also not suffering from the teething problems of the very complex plug-in hybrid versions. Technical advantages: It excels with a massive torque of 400 Nm, which engineers perfectly matched with the smooth-shifting eight-speed EAT8 automatic transmission (from Japan's Aisin). Real-world fuel consumption easily stays around a fantastic 5.5 to 6 liters per 100 km, even with a loaded car. Known risks and weaknesses: The biggest concern is the sensitive urea injection system (AdBlue). When choosing a used car, check the dashboard carefully – if the UREA warning light is on, urea crystallization has most likely occurred, permanently destroying the pump integrated into the tank (repair often means replacing the entire part). As a preventive measure, we strongly recommend adding special anti-crystallization additives to the AdBlue and avoiding short city trips, which also quickly clog the DPF filter. Who it's ideal for: This unit is literally made for highway mile-munchers, commercial travelers, and calmer drivers looking for enormous range on a single tank and requiring a quiet, smooth ride in a beautiful package.

For the Volkswagen Passat, we recommend: 2.0 TDI SCR (110 kW / 150 hp)

For the Passat B8 generation (which easily covers the market for typically four-year-old used cars thanks to the 2019 facelift), the choice is absolutely clear – the legendary 2.0 TDI engine of the EA288 family (and the newer EVO) represents an unsurpassed benchmark of reliability and utility in this class. Why it's the best choice: No other engine in Volkswagen's vast lineup provides such a brilliant mix of low maintenance requirements, mechanical durability, and long-term excellent residual value upon resale. Unlike the 1.5 TSI petrol versions, it doesn't feel breathless when fully loaded, and in terms of longevity, the 150-hp version (compared to the more powerful bi-turbo variants) is an absolute safe bet. Technical advantages: The unit scores with top-tier thermal efficiency and strong pull from low revs with 360 Nm of torque. Owner experiences confirm that real-world consumption commonly drops below 5 l/100 km, and in combination with the seven-speed dual-clutch DSG transmission, it forms a perfectly tuned package. Known risks and weaknesses: The first point of inspection must be listening to the engine upon startup. If you hear metallic rattling from the engine compartment at idle (especially with a cold car) or feel excessive vibrations, it indicates a worn dual-mass flywheel, which is often the expensive price paid for the automatic transmission lugging the engine in city traffic. Furthermore, always open the hood and check the coolant expansion tank – these engines have historically suffered from water pump leaks, and escaping coolant is a signal for immediate service. Who it's ideal for: It is the ultimate tool for families with high annual mileage, fleet managers, and pragmatic drivers looking for a maximally reliable car for daily commuting, towing trailers, or long trips for summer vacations with a fully loaded trunk.

The difference between officially stated fuel consumption and the values achieved by drivers in real-world conditions is often vast for most cars. Although the current WLTP measurement methodology provides somewhat more accurate figures than older standards, actual consumption always depends heavily on driving style, route profile, and the overall load of the vehicle. To get the most faithful picture of operating costs, our comparison is based on real data from the crowdsourced platform Spritmonitor.de, where thousands of actual owners enter their daily refueling results. We focused on generations relevant to the current used car market, approximately four years old – specifically the second generation of the Peugeot 508 and the popular Volkswagen Passat (B8 generation facelift).

Source: news_site

When interpreting this data, several very interesting trends emerge from which used car buyers can benefit:

• Two-litre diesel as the ideal: The traditional king of efficiency on highways in the mid-size class is the larger displacement diesel engine. The often-celebrated 2.0 TDI (110 kW) in the Passat shows fascinating efficiency – despite its size and power, it can drive with a consumption that is almost no different from the smaller French 1.5 BlueHDi unit.
• Limits of diesel downsizing: While smaller diesels promise great savings on paper, these quickly vanish with increasing highway speeds and family luggage loads.
• Surprise in petrol versions: The comparison of base petrol engines deserves significant attention. The Peugeot 508 with its turbocharged three-cylinder 1.2 PureTech shows essentially no real savings compared to the much more advanced four-cylinder 1.5 TSI in the Passat. The larger car puts much more strain on the small engine, causing its consumption to easily rise above six and a half liters.

What does this mean for the average user?
If you are a highway mile-muncher or are choosing a reliable car for long daily commutes, the 2.0 TDI engine in the Passat is literally a brilliant choice for you, ensuring a huge range and minimal operating costs. The more powerful 2.0 BlueHDi version in the Peugeot will also serve very respectably in this regard, though it lags slightly behind the German benchmark in the overall average. Conversely, for families or drivers moving mostly on shorter routes, in suburban or urban traffic, the 1.5 TSI petrol four-cylinder from Volkswagen makes sense. It is efficient, highly refined, and does not require such rigorous care for emission systems. On the other hand, we do not particularly recommend the 1.2 PureTech three-cylinder from Peugeot for this body type, especially if your main goal is maximum fuel cost savings.

Overall summary
Even though fuel consumption may not be an absolutely decisive factor for everyone, it clearly shows the technological focus of both cars. If you are looking for uncompromising operational efficiency on longer routes, the Volkswagen Passat maintains a well-deserved lead over the more design-attractive Peugeot 508 thanks to advanced aerodynamics and a perfectly tuned 2.0 TDI engine. A similar trend can be seen in petrol engines, where VW's sophisticated four-cylinder easily beats French downsizing in the real world. However, the differences in daily costs are not so drastic as to decide the purchase entirely on their own – in the final selection, your personal requirements for emotion, interior space, and the driving dynamics of the chosen vehicle will ultimately be more important.

When choosing a roughly four-year-old vehicle (2021 and 2022 models), two completely different philosophies meet on the used car market. On one side stands the managerial and family benchmark, the Volkswagen Passat generation B8 (facelift), and on the other, the stylish and emotionally tuned second-generation Peugeot 508 (R8). The price dynamics and value depreciation of both models differ diametrically, opening up interesting possibilities for different types of buyers.

Used Peugeot 508 Prices

The stylish Peugeot 508 suffers, like many other cars with more extravagant designs in this class, from a slightly faster decline in value. However, this is great news for used car buyers, who can get a highly modern car at a very favorable price.

• Base engines: Vehicles with the economical 1.5 BlueHDi diesel engine and higher highway mileage (over 120,000 km) can be found in dealerships ranging from €14,000 to €16,000.
• The sweet spot: The popular and long-term reliable 2.0 BlueHDi versions in higher trim levels (Allure, GT Line) typically range from €18,000 to €23,000.
• Top-of-the-line models: Nearly new plug-in hybrid powertrains (HYBRID 225) or top-equipped dynamic GT versions are usually found between €23,000 and €27,000.

Used Volkswagen Passat Prices

Thanks to its unshakeable popularity in corporate fleets and its reputation as the mid-size segment benchmark, the Passat holds its value exceptionally well. The immense popularity of the practical Variant (estate) body style and the reliable 2.0 TDI engine means easy future resale on one hand, but also a significantly higher purchase price on the used market on the other.

• Affordable fleet vehicles: Four-year-old 2.0 TDI models with 110 kW or 1.5 TSI petrol versions with higher mileage (often over 150,000 km) usually start at around €18,000.
• The sweet spot: Well-equipped models in Elegance or Business trims with a documented history and average mileage (around 80,000 – 100,000 km) steadily hold between €23,000 and €27,000.
• Top versions: If you are looking for more powerful units (e.g., 147 kW), 4Motion all-wheel-drive variants, the sought-after Alltrack rugged version, or the sporty R-Line trim with lower mileage, prepare to pay €29,000 or more.

Evaluation for Buyers

If your main priority is residual value retention and the easiest possible future resale with minimal financial loss, the Volkswagen Passat represents an absolute safe bet, though you will pay a premium for it initially. However, if you want to get the most unique style, luxury equipment, and a premium feel on board for your money, the Peugeot 508 is a dark horse on the secondary market with an excellent price-to-value ratio, as the first owner has already paid for the steepest part of the depreciation for you.

Both models, the Peugeot 508 and the Volkswagen Passat, received the maximum five-star rating in independent Euro NCAP tests, making them very safe vehicles for both individuals and families. However, it is essential to put these results into the correct context. Euro NCAP methodology and testing protocols evolve constantly over the years, becoming stricter and placing ever-increasing demands. Percentage results for cars tested in different years cannot be directly compared, as more modern tests require much more complex systems for active accident prevention and more advanced detection of pedestrians or cyclists.

Peugeot 508 (tested in 2018)
The second generation of the Peugeot 508 underwent crash tests in 2018 and recorded excellent results in adult occupant protection with a rating of 96%. Child protection reached a solid 86%. Given the newer and stricter rules of its time, the car also performed very well in the protection of vulnerable road users (71%) and in the safety assist category (79%). The excellent score reflects the presence of modern technologies such as advanced autonomous emergency braking (AEB) with night detection of pedestrians and cyclists. Although the official validity of this certificate formally expired in early 2025 (which is standard Euro NCAP procedure after 6–7 years for all cars), for those interested in a four-year-old used car, it remains a highly relevant indicator of its modern safety.

Volkswagen Passat (tested in 2014)
The rating for the B8 generation Passat is based on tests conducted back in 2014. At that time, the car demonstrated excellent structural strength and received 85% for adult protection and 87% for child protection. Pedestrian protection was rated at 66% at the time, and safety assist systems at 76%. It is important to note that if you are looking for an approximately four-year-old Passat on the used car market, it will be the version after the significant facelift in 2019. This refreshed version brought a whole range of new active safety features (such as predictive adaptive cruise control or improved lane keeping); however, the basic structural rating and Euro NCAP test label still refer to the milder standards of 2014.

Final Comparison
From the perspective of pure structural strength and passive safety, both cars protect their occupants at a top-tier level. However, the Peugeot 508 benefits from being tested according to significantly newer standards, which gives buyers greater assurance that its active assistance systems were calibrated and tested for more modern and complex crisis situations. The Volkswagen Passat counters with excellent child protection and, in later facelifted model years, above-standard additional equipment, but its original platform and crash tests are four years older.

In addition to standard equipment, each of the models offers several unique features that can be decisive for the customer, and each has its own distinct approach to added value.

Peugeot 508: Avant-garde style and cutting-edge technology

• i-Cockpit architecture and frameless doors: A completely unique approach to ergonomics with a small, low-set steering wheel and a raised digital instrument cluster, allowing the driver to monitor data without taking their eyes off the road. Furthermore, the sporty and elegant character of the fastback body is enhanced by frameless door windows, a feature more common in premium coupes.
• Night Vision system: A very rare and advanced technology in this class. An infrared camera hidden in the front grille detects living beings (pedestrians, cyclists, or animals) in the dark or in poor visibility at a distance of up to 200 meters—beyond the reach of high beams—and projects warnings directly onto the display in front of the driver.
• PSE (Peugeot Sport Engineered) sports version: The top of the range is a specially tuned plug-in hybrid model. It combines an internal combustion engine with electric motors to achieve high performance and all-wheel drive, featuring a more aggressive aerodynamic package and a stiffer suspension setup for a maximum driving experience.
• Comfort and premium sound system: The front seats can feature AGR certification and an advanced massage system with several programs. Music lovers will appreciate the optional Focal audio system with ten speakers, offering exceptionally clear and surround sound.

Volkswagen Passat: Functional perfection and advanced assistance

• IQ.Light smart headlights: Advanced Matrix LED headlights are among the absolute best in the segment. Not only do they offer excellent light output, but thanks to the independent switching of individual LEDs, they can precisely mask oncoming vehicles, allowing you to keep high beams on constantly without dazzling others.
• Travel Assist system: A comprehensive package for semi-autonomous driving. Predictive adaptive cruise control uses navigation data and cameras to automatically adjust speed not only according to signs but also before approaching curves, intersections, or roundabouts.
• DCC adaptive chassis: The continuously adjustable suspension system gives the driver a choice from a wide range of driving modes. The car can be adjusted from pliant comfort on rough roads to a stiff setting for dynamic driving, with the system constantly reacting to the current road conditions and steering wheel movements.
• MIB3 infotainment and full connectivity: The multimedia system with an integrated eSIM offers a permanent internet connection. Wireless Apple CarPlay and Android Auto are a matter of course. Additionally, via the We Connect app, the vehicle can be remotely unlocked, its status checked, or, in the case of plug-in hybrid versions (GTE), the climate control and charging can be managed.
• ergoComfort seats and smart space solutions: The Passat is the benchmark for highway cruisers. Its ergoComfort seats are designed for long, fatigue-free journeys, and the luggage compartment (especially in the Variant body style) offers top-tier variability, including a double floor, hooks, practical roller blinds, and touchless trunk lid opening.

Peugeot 508 is an ideal choice for drivers looking for a stylish, emotional, and engaging mid-size car where attractive design triumphs over maximum practicality. It offers a very premium interior feel and great sound insulation, making it an excellent vehicle for daily commuting as well as representative corporate purposes.

The Volkswagen Passat represents the benchmark of versatility, excelling on long highway journeys and fulfilling the role of the perfect family hauler. It is a safe bet for rational buyers who demand maximum utility, spaciousness, and trouble-free resale, albeit at the cost of a plain appearance.

Based on long-term owner experience, service reports, recall records, and insights from our independent technical inspection of the car, we have compiled a detailed overview of the most common problems for both compared models.

In the second generation of the Peugeot 508, which is among the most attractive choices on the used car market, owners most often encounter electronic gremlins and specific issues with certain power units.

• Electronics and infotainment: With the i-Cockpit system, users often complain about slower responses, freezing of the central display, or occasional dropouts of the parking camera image. In most cases, these issues are resolved by a software update at an authorized service center.
• Engines and mechanics: With the popular 1.5 BlueHDi diesel four-cylinder, problems with the camshaft chain tensioner can occur (especially in units manufactured until early 2023), which can lead to engine damage. For 1.6 PureTech petrol units, it is recommended to monitor carbon buildup during frequent short trips.
• Emission systems: As with many vehicles from the PSA (Stellantis) group, faults in the urea injection system (AdBlue) appear here as well. The problem is usually a faulty integrated pump in the tank, which often requires replacement of the entire module.
• Body and interior: The characteristic frameless windows can freeze to the door seals in winter months. On higher-mileage units, slightly increased aerodynamic noise caused by fatigue of the rubber window profiles may occur at highway speeds.
• Chassis: In the case of versions with adaptive dampers, knocking from the front axle is sometimes heard when driving over sharp bumps, which usually indicates worn upper mounts.

The Volkswagen Passat generation B8 (after the 2019 facelift) is considered an exceptionally reliable workhorse; however, even it shows typical ailments associated with more modern technologies and wear of automatic transmissions as mileage increases.

• Infotainment and software: Models equipped with the newer MIB3 multimedia system were among the more problematic in the first years of production. Complaints about groundless system restarts, wireless Apple CarPlay dropouts, or freezing of the built-in navigation are very common.
• Engines and cooling system: With the widely represented 2.0 TDI diesel engines (Evo generation), coolant leaks occasionally occur around the water pump. The loss of fluid is gradual but requires timely pump replacement to prevent engine overheating.
• DSG transmissions: While dual-clutch transmissions with so-called wet clutches (in more powerful 2.0 TDI and 2.0 TSI) are trouble-free with regular oil changes, the seven-speed transmission with dry clutches (DQ200 paired with the 1.5 TSI engine) risks faster wear of the clutch discs. This manifests as jerking and vibrations when starting off.
• Chassis and suspension: The Passat is a heavier car, and on our roads, the silentblocks of the front transverse arms tend to wear out sooner. A typical symptom is audible squeaking or creaking from the front axle when driving over speed bumps in colder weather.
• Lighting: With the optional and otherwise excellent IQ.Light LED Matrix headlights, tilting malfunctions or errors in the control unit of the modulating diodes appear in rare cases.

When buying a used car, a thorough inspection is key, and although a comprehensive car check is the greatest assurance, there are also several specific points worth focusing on right during the test drive and inspection of these two specific models.

When choosing a Peugeot 508:

• Frameless windows and cabin noise: The beautiful design of doors without window frames sometimes takes its toll. During the test drive, head onto the highway or accelerate above 100 km/h and listen for excessive aerodynamic noise leaking around the seals. A common problem is an inaccurately fitting window or a worn seal, the condition of which will be reliably revealed by a detailed physical inspection of the used car.
• Smoothness of the EAT8 automatic transmission: The eight-speed automatic from Japanese manufacturer Aisin is generally very reliable, but during the test drive, focus on shifting from first to second gear, especially when the engine is cold. There must be no rough jerking or long hesitation.
• Infotainment and i-Cockpit response: The touchscreen and digital instrument cluster can freeze, restart, or have very slow response times on older software versions. Try clicking through the menu, changing the climate settings, and connecting a phone to verify the system's stability.
• Timing chain on the 1.5 BlueHDi diesel engine: This economical and very common engine on the used car market suffered in the first years of production from a snapping 7mm chain between the camshafts. Check the service history to see if it has already been replaced with the modified, stronger 8mm version, and after starting, listen for a sharp metallic rattling from the upper part of the engine.
• Battery condition and switching in the PHEV version: If you are considering a plug-in hybrid powertrain, test the smoothness of the transition between pure electric and combustion mode – the engagement of the petrol engine must not be accompanied by a strong jerk. Also monitor the estimated electric range at full charge, which will give you a hint about potential battery degradation.

When choosing a Volkswagen Passat:

• DSG dual-clutch transmission jerking: Focus on smoothness when starting off, crawling in traffic, and accelerating from low speeds. The transmission should work smoothly and without obvious delay. If the car jumps reluctantly when the gas is pressed or metallic sounds are heard from within, an expensive repair of the clutch set or mechatronics may be approaching. It is also important to check if the oil has been changed regularly (usually every 60,000 km).
• Condition and leaks of DCC adaptive dampers: Passats equipped with an adaptive chassis offer top-tier comfort, but the dampers are prone to oil leaks and loss of damping effect. When driving over sharp bumps, the chassis must not knock dully. Incipient fluid leaks from the dampers are best revealed by a professional technical inspection of the car on a lift.
• MIB3 infotainment stability: Facelifted models (from 2019) received a new multimedia system that suffered from teething problems in its first years – frequent outages, spontaneous restarts, and non-functional wireless phone connection. Check the system's behavior and verify at a service center if the latest stabilization software version has been installed.
• Coolant loss in 2.0 TDI engines: In the extremely popular Evo generation diesel engines, premature water pump leaks often occur. Open the hood, check the coolant level in the expansion tank, and look for dried pink or purple crystals on the engine blocks.
• AdBlue system and DPF filter clogging: Check the on-board computer for warnings associated with the emission system (often AdBlue dosing pump failures). If the passat was driven mainly on short city trips, the particulate filter may be clogged, which can manifest during a test drive as reduced power or triggered regeneration immediately after the engine warms up. Whether the system is in order should be confirmed by an in-depth inspection of the used car via diagnostics.

Sources: ADAC, idnes.cz, forbes.cz, autoexpress.cz, autohome.cz, autoperiskop.cz

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