Owning a car should make life easier, not fill your weekends with repairs and garage visits. Yet, for some drivers, maintenance has turned into a second job.
Whether it’s due to complex engineering, rare parts, or persistent faults, certain cars demand more time and money than most.
If you’re thinking about buying a car or feel like yours is always breaking down, you’re not imagining it. Some cars really are harder work than others. Keep reading to discover which models are the most demanding and why.
BMW 5 Series
The BMW 5 Series has long been seen as a statement of success. With its refined engine line-up and plush interior, it’s a car that promises smooth motoring. However, the ownership experience tells another story.
Auto repair platforms like WhoCanFixMyCar frequently report higher-than-average servicing costs for BMWs, particularly for models using air suspension and twin-turbo engines. Faults with oil gaskets, turbochargers, and complex sensors are common. A broken iDrive unit alone can cost over £1,000 to replace.
Many garages won’t touch the newer 5 Series without specialised diagnostic tools. That means you’re often tied to main dealers or specialists, both of which charge more. The result is a car that delivers a great ride, but not without frequent attention.
Land Rover Range Rover
The Range Rover is a familiar sight in many parts of the UK, particularly among those who value status and comfort. But beneath its elegant exterior lies a catalogue of reliability concerns.
Among the most reported faults are air suspension failures, electrical system faults, and oil leaks. These problems aren’t isolated to high-mileage vehicles either. Even newer models can suffer from software bugs that affect everything from the sat nav to the heated seats.
Many Range Rover owners are forced into frequent diagnostics and specialist repairs, which can cost hundreds before the actual issue is even fixed. If you’re after a car that you can rely on in the long run, this may not be the one.
Mercedes-Benz E-Class
A popular choice for fleet drivers and executives, the E-Class earns praise for comfort and design. But it also earns a reputation for repeat mechanical faults, particularly in diesel variants.
Problems with the EGR valve, timing chain stretch, and oil cooler leaks are frequent across garages. Many vehicles built between 2010 and 2016, especially those with the OM651 engine, have suffered premature timing chain failure, a repair that easily tops £2,000.
Owners often report issues cropping up just after the warranty expires. Combine that with costly dealership labour rates, and you’re looking at a car that might feel more demanding than luxurious over time.
Audi A6
Audi’s A6 is admired for its styling and comfort, but ownership can be challenging. Quattro-equipped models especially introduce more wear points from differentials to CV joints, and DSG gearboxes known for costly issues.
Owners frequently cite problems with engine oil consumption, turbo failures, and suspension wear. These repairs are rarely cheap. Timing chain replacements often require the engine to be removed, pushing labour costs even higher.
Audi parts aren’t as universally available as other brands, meaning longer waits and bigger bills when things go wrong. Reliability might not be the A6’s strongest asset, despite its appearance.
Mini Cooper
Few cars carry the same visual appeal as the Mini Cooper. However, for drivers, particularly those with models built before 2015, reliability is often a concern.
Common complaints include power steering failures, early clutch wear, and oil leaks. The 1.6-litre engine found in many Coopers is known for carbon build-up, which can cause sluggish performance and expensive engine decokes.
While newer models have improved in reliability, the cost of maintaining older Coopers can mount quickly. Don’t be fooled by its size, this compact car can generate hefty bills.
Chrysler 300
While not as common on British roads, the Chrysler 300 appeals to drivers who want American flair. Unfortunately, it’s a vehicle that doesn’t age well, especially in the UK where parts availability is limited.
Suspension components wear out rapidly, and cooling system failures and electrical gremlins are common. Since many Chrysler parts are imported, they come with higher prices and longer wait times.
Even routine maintenance tasks, like brake replacements or battery issues, can become an ordeal when local garages don’t stock the components. It’s a car better suited to occasional use than daily driving.
Jaguar XF
The XF carries all the charm of a premium British saloon. However, maintenance issues are frequent, especially with older diesel versions. Drivers report repeated turbo failures, DPF blockages, and infotainment malfunctions.
Short trips, typical of city driving, can cause the diesel particulate filter to clog, leading to warning lights and loss of performance. Many owners also experience issues with electric window regulators and door handles failing far too early.
Annual maintenance costs for the XF often reach £1,000 or more, placing it among the most expensive saloons to run in its category. Prestige comes at a price and not just at purchase.
Fiat 500
The Fiat 500 is often bought as a first car or city runabout, thanks to its low purchase price. But that affordability is often offset by high upkeep. According to Warrantywise, the 500 ranks among the least reliable small cars sold in the UK.
Faults range from electrical system glitches and gearbox issues to clutch replacements within the first few years. Owners of TwinAir engines often report increased oil consumption and noisy running, both of which can signal deeper engine problems.
Even simple tasks like replacing a headlight can be frustrating due to the compact engine bay and unusual parts layout.
Some Cars Cost More Than Your Money…
Some cars cost you more than money; they demand your time, patience, and energy too. Whether it’s because of a luxury badge or overengineered systems, owning one of these vehicles means keeping your mechanic on speed dial.
When choosing your next car, don’t just focus on looks or badge value. Ask how much it really costs to keep on the road. Consider parts availability, common faults, and servicing frequency. You might just save yourself years of hassle by doing your homework.
Choosing a car that’s easier to maintain might not turn heads — but it’ll save you a lot of stress in the long run.
🚗 You might like this guide: How Car Storage Can Save Money on Maintenance.
