Diesel Suzuki Grand Vitara: MOT pass rate
65.6% of diesel Suzuki Grand Vitaras pass the MOT first time, measured across 5,348 DVSA tests on that fuel type alone. Average mileage at test was 105,587.
Diesel against the other Suzuki Grand Vitara versions
| Fuel | Pass rate | Tests |
|---|---|---|
| Petrol | 70% | 15,755 |
| Diesel | 65.6% | 5,348 |
| All Suzuki Grand Vitara | 68.9% | 21,118 |
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 Suzuki Grand Vitara specifically, petrol is the strongest at 70%, and this diesel version sits 3.3 points below the 68.9% model average.
What it means if you are buying one
The diesel Suzuki Grand Vitara fails more often than the model average, so budget for the items that catch this fuel type and treat a fresh MOT as worth paying for. Check the exact car, decode the VIN and check the mileage before you bid.
Mileage is part of the answer
The average diesel Suzuki Grand Vitara had covered 105,587 miles at test, against 88,003 for the petrol. That is above average and into the range where cambelts and water pumps are due if they have not already been done, so ask for the service history rather than take the mileage on trust.
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 Suzuki Grand Vitara page separate age from fuel if you want to isolate one.