Diesel MG 6: MOT pass rate
69.7% of diesel MG 6s pass the MOT first time, measured across 874 DVSA tests on that fuel type alone. Average mileage at test was 70,976.
Diesel against the other MG 6 versions
| Fuel | Pass rate | Tests |
|---|---|---|
| Petrol | 66.1% | 985 |
| Diesel | 69.7% | 874 |
| All MG 6 | 67.7% | 1,863 |
Why the fuel type changes the number
Diesels carry DPFs, EGR valves and stricter smoke limits, so emissions and exhaust faults account for failures petrol cars never see.
On the MG 6 specifically, diesel is the strongest at 69.7%, and this diesel version sits 2 points above the 67.7% model average.
What it means if you are buying one
The diesel MG 6 is the stronger side of this model on MOT data. Still judge the individual car, but the fuel type is a mild point in its favour. Check the exact car, decode the VIN and check the mileage before you bid.
Mileage is part of the answer
The average diesel MG 6 had covered 70,976 miles at test, against 72,318 for the petrol. That is a shade above the middle of the range, still ordinary wear rather than a red flag, but worth checking against the service book for the car's age.
Fuel type and mileage are tangled together: diesels are usually bought by higher-mileage drivers, so some of any gap between fuels is the miles rather than the engine. The per-year figures on the MG 6 page separate age from fuel if you want to isolate one.
Other MG 6 fuel types
- Petrol MG 6 - 66.1%