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Most reliable Coupés, convertibles & GT

The 33 coupés & GTs we track fail their first MOT at age 7 14.8% of the time on average. Lower is better.

Reliability leaderboard

Measured

First-time MOT failure rate at age 7. Tap a model for the full fault breakdown.

#ModelFail at age 7Tests
1Bentley Continental4.5%8,409
2Aston Martin Vantage5.2%4,162
3Porsche 9115.7%22,079
4Porsche Cayman6.2%10,154
5Mercedes SL7.1%7,081
6Porsche Boxster7.7%11,569
7Jaguar F-Type8.9%15,017
8Mazda MX-510.9%41,937
9Audi TT11.6%71,119
10Audi A712.7%16,597
11Toyota GT8613.2%6,586
12BMW 6 Series14.9%16,163
13BMW 4 Series15.2%119,232
14Mercedes SLC15.9%8,967
15Ford Mustang / Mach-E16.8%14,317
16Volkswagen Scirocco18.2%41,995
17Mercedes CLS18.2%17,327
18Audi A519.4%116,132
19Volkswagen Beetle25.8%21,836

Not enough age-7 data to rank yet: Mercedes SLK BMW Z4 Volvo C30 Peugeot RCZ Jaguar XK BMW 8 Series Volkswagen Eos Mercedes CLC Nissan 350Z / 370Z Volvo C70 Aston Martin DB9 BMW i4 Mercedes CLK Lotus Elise

What coupés & GTs fail on most

Measured

Aggregated across the models in this class with cars aged 6 to 9, weighted by how many tests sit behind each figure.

Faults with the car itself

A suspension pin, bush or joint excessively wornSuspension
6.0%
A shock absorber damaged to the extent that it does not function or showing signs of severe leakageSuspension
2.9%
A spring or spring component fractured or seriously weakenedSuspension
1.7%
Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road usersNoise, emissions and leaks
1.1%
Play in steering rack inner joint(s)Non-component advisories
1.1%
A suspension component excessively damaged or corrodedSuspension
1.1%
A wheel badly distorted or wear between wheel and hub at spigot mountingRoad Wheels
0.7%
Brake pipe damaged or excessively corrodedBrakes
0.4%
A wheel bearing with excessive playSuspension
0.4%
Engine MIL illuminated indicating a malfunctionNoise, emissions and leaks
0.3%

Wear, upkeep and luck

Tyre tread depth not in accordance with the requirementsTyres
22.3%
Brake disc or drum excessively weakened, insecure or fracturedBrakes
9.5%
A brake lining or pad worn below 1.5mmBrakes
8.6%
A tyre seriously damagedTyres
7.7%
Brake disc or drum significantly and obviously wornBrakes
2.9%
Nail in tyreNon-component advisories
2.2%
A tyre cords visible or damagedTyres
2.1%
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's viewVisibility
2.1%