Best and worst older cars for reliability: luxury cars
How dependable are cars as they get older? Here’s what the owners of luxury cars between six and 15 years of age have told us...
Reliability rating 94.9%
What went wrong? Non-engine electrics 6%
According to owners, just 6% of Jaguar XJs suffered a fault and the only area to have an issue was non-engine electrics. Affected cars could not be driven and took up to a week to fix, with the cost ranging from £750 to £1000.
Owner comment: “Look after it and it will last forever; I sold my last one after six years and 217,000 miles”
Reliability rating 82.3%
Owners reported that 26% of Mercedes E-Classes had a problem, with the areas affected including the air-con, battery and engine. Most cars remained driveable and were fixed in less than a week, and while the majority of bills were less than £300, some were at least £1500.
Reliability rating 82.2%
Fewer (21%) Audi A6s went wrong than E-Classes (above), but the Audi was rated lower because more than half of the faulty cars required more than a week to repair. Gearbox issues were the most common fault, affecting 7% of cars, followed by air-con and non-engine electrics. Some cars were fixed under warranty and only a few owners had to shell out £1500 or more.
Reliability rating 52.0%
What went wrong? Non-engine electrics 13% Air-con 10% Engine 10% Battery 7% Brakes 7% Exhaust system 7% Fuel system 7% Sat-nav 7% Suspension 7% Engine electrics 3% Gearbox 3%
Just over half (52%) of older Audi A6s went wrong, and although electrical problems were the most common complaint, engine and air-con faults weren’t far behind. In fact, there were issues in almost all of our fault categories. Half of cars lingered in the garage for more than a week and half of owners paid out £1000-£1500.
Owner comment: “Repair costs over the past three years have amounted to more than £5000”
Reliability rating 69.1%
The older BMW 5 Series is less dependable than the newer version. Around 39% of cars had a problem; the most frequently cited area was suspension, followed by non-engine electrics, then the bodywork and engine. Most cars were back on the road within a week, but the majority of repairs cost between £500 and £1500.
Reliability rating 75.5%
We were told that 37% of newer BMW 5 Series cars suffered faults. As with the older model (above), the main trouble spot proved to be the suspension, on 14% of cars in this case. Other areas with issues included the engine, exhaust and non-engine electrics. Not all cars could still be driven and most took up to a week to fix. While a third of repairs were done for free, nearly a third cost £1500 or more.