Diesel Hyundai I20: MOT pass rate
70.5% of diesel Hyundai I20s pass the MOT first time, measured across 5,761 DVSA tests on that fuel type alone. Average mileage at test was 89,134.
Diesel against the other Hyundai I20 versions
| Fuel | Pass rate | Tests |
|---|---|---|
| Petrol | 79.1% | 116,921 |
| Diesel | 70.5% | 5,761 |
| All Hyundai I20 | 78.7% | 122,701 |
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 Hyundai I20 specifically, petrol is the strongest at 79.1%, and this diesel version sits 8.2 points below the 78.7% model average.
What it means if you are buying one
The diesel Hyundai I20 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 Hyundai I20 had covered 89,134 miles at test, against 60,430 for the petrol. That is above average, the point where suspension bushes, drop links and exhaust corrosion start showing up as advisories before they become failures.
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 Hyundai I20 page separate age from fuel if you want to isolate one.
Other Hyundai I20 fuel types
- Petrol Hyundai I20 - 79.1%