Vauxhall Omega: MOT pass rate and reliability data

The Vauxhall Omega fails its first MOT more often than the average UK car, by 8.7 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 1,114 individual Vauxhall Omega tests. Nothing here is an estimate or a survey.

The numbers

What this means if you are buying one

A 68% first-time pass rate means roughly 32 in every 100 Vauxhall Omegas 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 Vauxhall Omega tested had covered 101,194 miles and was built around 2001.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a Vauxhall Omega 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 Vauxhall Omega 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 Vauxhall Omegas actually sold for at UK salvage auction.

Most common MOT failures on a Vauxhall Omega

1. 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, 8.6% of tests (10.39x the national rate for this defect)
2. Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow, 1.6% of tests (10.21x the national rate for this defect)
3. Brake pipe damaged or excessively corroded, 5.7% of tests (6.86x the national rate for this defect)
4. Emissions levels exceed default limits, 1.7% of tests (5.91x the national rate for this defect)
5. Lambda coefficient outside the default limits or the range specified by the manufacturer, 2.1% of tests (5.32x the national rate for this defect)
6. Exhaust system leaking or insecure, 2.8% of tests (3.62x the national rate for this defect)
7. Lamp emitted colour, position or intensity not in accordance with the requirements, 1.5% of tests (3.34x the national rate for this defect)
8. The aim of a headlamp is not within limits laid down in the requirements, 4.5% of tests (2.54x the national rate for this defect)
9. A steering ball joint with excessive wear or free play, 1.6% of tests (1.65x the national rate for this defect)
10. A suspension pin, bush or joint excessively worn, 5.7% of tests (1.55x the national rate for this defect)

From 1,854 DVSA-tracked Vauxhall Omega tests, 2024. DVSA testers marked 2.93% of these flagged Vauxhall Omega defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Vauxhall Omega pass rate by model year

Pass rates fall steadily as cars age, so the model year matters as much as the model. First-time pass rate for each Vauxhall Omega year:

• 2001 Vauxhall Omega - 75.5% first-time pass, 208 tests
• 2002 Vauxhall Omega - 66% first-time pass, 259 tests
• 2003 Vauxhall Omega - 69.9% first-time pass, 332 tests

Other Vauxhall models

• Vauxhall Corsa - 70%
• Vauxhall Astra - 71.9%
• Vauxhall Mokka - 75.6%
• Vauxhall Zafira - 68.7%
• Vauxhall Insignia - 73.5%
• Vauxhall Vivaro - 59.7%
• Vauxhall Meriva - 68.9%
• Vauxhall Combo - 66.3%

Models with a similar pass rate

• Honda Accord - 68%
• Volkswagen Caravelle - 68%
• Ssangyong Musso - 68%
• Isuzu D-Max Utah D/C Intercooler Td - 68%
• Hyundai Iload - 67.9%
• Rover 214 - 67.9%

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