Proton Gen-2: MOT pass rate and reliability data

The Proton Gen-2 fails its first MOT more often than the average UK car, by 19.2 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 503 individual Proton Gen-2 tests. Nothing here is an estimate or a survey.

The numbers

What this means if you are buying one

A 57.5% first-time pass rate means roughly 43 in every 100 Proton Gen-2s presented for MOT fail on the first attempt. That is worse than average, so budget for remedial work and treat a fresh 12-month MOT as a genuine selling point rather than a given. The average Proton Gen-2 tested had covered 69,942 miles and was built around 2008.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a Proton Gen-2 bought as a repairable salvage, assume the mechanical side needs more than the visible accident damage, and pad your repair estimate accordingly.

Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.

Looking at a specific Proton Gen-2 rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged Proton Gen-2s actually sold for at UK salvage auction.

Most common MOT failures on a Proton Gen-2

1. A door will not open using the relevant control or close properly, 4.7% of tests (34.37x the national rate for this defect)
2. The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, 7% of tests (8.48x the national rate for this defect)
3. Parking brake inoperative on one side, 3.6% of tests (8x the national rate for this defect)
4. Parking brake efficiency below minimum requirement, 7% of tests (7.21x the national rate for this defect)
5. A suspension joint dust cover missing or no longer prevents the ingress of dirt etc, 7.7% of tests (5.69x the national rate for this defect)
6. A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc, 5.8% of tests (5.18x the national rate for this defect)
7. The aim of a headlamp is not within limits laid down in the requirements, 8.6% of tests (4.91x the national rate for this defect)
8. Engine MIL illuminated indicating a malfunction, 3.8% of tests (4.13x the national rate for this defect)
9. Brake pipe damaged or excessively corroded, 3.1% of tests (3.74x the national rate for this defect)
10. Exhaust system leaking or insecure, 2.8% of tests (3.74x the national rate for this defect)

From 810 DVSA-tracked Proton Gen-2 tests, 2024. DVSA testers marked 4.78% of these flagged Proton Gen-2 defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Other Proton models

• Proton Savvy - 55.5%

Models with a similar pass rate

• Chevrolet Matiz - 57.7%
• Fiat Sedici - 57.6%
• Renault Modus - 57.5%
• Peugeot 307 - 57.4%
• Fiat Bravo - 57.4%
• Citroen Grand C4 Picasso - 57.2%

If this car is a salvage or write-off

• What does Cat N mean? Category N explained
• What does Cat S mean? Category S explained
• Cat S vs Cat N: the real differences

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All 2,005 models ranked by MOT pass rate