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Model reliability
MG 6 reliability
The MG 6 fails its MOT more often than most cars 6 to 10 years old: 38.2% of 1,462 tests failed in 2023, against 24.4% on average.
6 to 10 years old
38.2% failed their MOT
From 1,462 MOT tests of MG 6s this age.
Where it does worse than other cars this age
Fails 4× as oftenHeadlamps6.3% vs 1.7%Fix about £30
Fails 2× as oftenHeadlamp aim5.9% vs 2.5%Fix about £30
Fails 2× as oftenMechanical brake components5.8% vs 2.8%
Fails 17× as oftenRigid brake pipes5.2% vs 0.3%Fix about £120
Advised 40% more oftenTyre tread depth24.9% vs 17.8%Fix about £90
Advised 46% more oftenMechanical brake components24.2% vs 16.6%
Advised 9× as oftenRigid brake pipes14.2% vs 1.6%Fix about £120
Advised 60% more oftenSuspension arms8.5% vs 5.3%
Over 10 years old
45.1% failed their MOT
From 697 MOT tests of MG 6s this age. A small sample, so take it as a rough guide: a few cars either way can move these figures.
Where it does worse than other cars this age
Fails 2× as oftenSuspension arms12.3% vs 5.1%
Fails 88% more oftenAnti-roll bars7.9% vs 4.2%
Fails 4× as oftenRigid brake pipes7.3% vs 1.7%Fix about £120
Fails 2× as oftenWipers5.3% vs 2.6%
Advised 3× as oftenRigid brake pipes24.8% vs 8.3%Fix about £120
Advised 53% more oftenSuspension arms18.5% vs 12.1%
Advised 2× as oftenRegistration plate lamp(s)10.6% vs 5.2%Fix about £30
Advised 67% more oftenAnti-roll bars10% vs 6%
Checking a MG 6 before you buy
Look at the parts above at the viewing, and read the car’s own MOT history: advisories for the same parts suggest the problem is already starting. Sweep’s free check shows every MOT, advisory and mileage reading for a registration.
Source: DVSA anonymised MOT tests 2023 (Open Government Licence v3.0). Failure rates compare this model with all cars in the same age band. Fix prices are typical independent-garage estimates.