Diesel Chevrolet Trax: MOT pass rate

64.6% of diesel Chevrolet Trax pass the MOT first time, measured across 652 DVSA tests on that fuel type alone. Average mileage at test was 91,123.

Diesel against the other Chevrolet Trax versions

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 Chevrolet Trax specifically, petrol is the strongest at 70.4%, and this diesel version sits 3.2 points below the 67.8% model average.

What it means if you are buying one

The diesel Chevrolet Trax 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. Buying a damaged one? run it through the analyzer, check the exact car, decode the VIN and check the mileage before you bid.

Mileage is part of the answer

The average diesel Chevrolet Trax had covered 91,123 miles at test, against 72,845 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 Chevrolet Trax page separate age from fuel if you want to isolate one.

Most common MOT failures on a diesel Chevrolet Trax

1. Steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc, 5.4% of tests (7.21x the national rate for this defect)
2. A suspension joint dust cover missing or no longer prevents the ingress of dirt etc, 12.4% of tests (6.75x the national rate for this defect)
3. A steering ball joint with excessive wear or free play, 6.1% of tests (4.7x the national rate for this defect)
4. A spring or spring component fractured or seriously weakened, 6.7% of tests (2.96x the national rate for this defect)
5. A suspension pin, bush or joint excessively worn, 11.2% of tests (2.23x the national rate for this defect)
6. a brake lining or pad worn below 1.5mm, 4.8% of tests (2.21x the national rate for this defect)
7. The aim of a headlamp is not within limits laid down in the requirements, 4.1% of tests (1.76x the national rate for this defect)
8. Tyre tread depth not in accordance with the requirements, 4.1% of tests (1.3x the national rate for this defect)
9. Wiper blade missing or obviously not clearing the windscreen, 2.3% of tests (1.21x the national rate for this defect)
10. A tyre seriously damaged, 2.3% of tests

From 652 DVSA-tracked diesel Chevrolet Trax tests, 2024, split out from the Chevrolet Trax's other fuel types. DVSA testers marked 5.4% of these flagged defects as "dangerous", against 5.11% nationally. See which fuel type fails on the most dangerous defects nationally for how that compares across the whole fleet.

Most common MOT advisories on a diesel Chevrolet Trax

Flagged but doesn't fail the car, a different list from the failures above.

1. A stub axle swivel pin and/or bush excessively worn, 3.8% of tests (5.98x the national rate for this defect)
2. A steering ball joint with excessive wear or free play, 3.2% of tests (2.41x the national rate for this defect), also fails
3. Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, 12.7% of tests (2.29x the national rate for this defect)
4. A suspension pin, bush or joint excessively worn, 22.9% of tests (1.71x the national rate for this defect), also fails
5. A spring or spring component fractured or seriously weakened, 7.7% of tests (1.62x the national rate for this defect), also fails
6. Brake disc or drum significantly and obviously worn, 4.6% of tests (1.45x the national rate for this defect)
7. Brake disc or drum excessively weakened, insecure or fractured, 17.3% of tests (1.42x the national rate for this defect)
8. Number plate inscription missing or illegible, 3.7% of tests (1.39x the national rate for this defect)
9. a brake lining or pad worn below 1.5mm, 11% of tests (1.18x the national rate for this defect), also fails
10. Tyre tread depth not in accordance with the requirements, 27.8% of tests, also fails

From 652 DVSA-tracked diesel Chevrolet Trax tests, 2024.

Other Chevrolet Trax fuel types

• Petrol Chevrolet Trax - 70.4%

All Chevrolet Trax MOT data · Every model