Vauxhall Omega MOT failures and reliability

In 2023 the Vauxhall Omega took 1,416 MOT tests in Britain and passed 69% of them first time, close to the national average of 71% for all cars. The figures below come from the DVSA's record of every test, so they show what testers actually found on these cars rather than what owners report.

MOT tests in 2023

1,416

First-time pass rate

69%

All cars

71%

What the Omega fails on

Share of tests with at least one failure in each area, against the figure for all cars.

• Suspension12.6% (all cars 9.0%)
• Lights and electrics11.2% (all cars 11.3%)
• Brakes8.4% (all cars 6.8%)
• Exhaust and emissions7.6% (all cars 3.1%)
• Body and structure6.4% (all cars 3.5%)
• Visibility5.7% (all cars 4.8%)
• Tyres4.5% (all cars 6.4%)
• Steering4.0% (all cars 1.8%)

Most common failure items

Share of tests on which each item was recorded.

1. Component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strength 5.4%
2. Rigid brake pipes: excessively corroded 3.5%
3. Exhaust system: has a major leak of exhaust gases 2.8%
4. Headlamp aim: projected beam image is obviously incorrect 2.7%
5. Wipers: does not clear the windscreen effectively 2.6%
6. Coil spring: fractured or broken 2.5%
7. Tread depth: tread depth below requirements of 1.6mm 2.3%
8. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits 2.1%

Most common advisories

1. Rigid brake pipes: corroded, covered in grease or other material 25.0%
2. Engine oil leaks: leak, but not excessive 20.8%
3. Tread depth: worn close to legal limit/worn on edge 17.9%
4. Brake discs: worn, pitted or scored, but not seriously weakened 13.1%
5. Suspension arms, pins and bushes: pin or bush worn but not resulting in excessive movement 8.5%
6. Tyres, condition: slightly damaged/cracking or perishing 8.3%
7. Exhaust system: has a minor leak of exhaust gases 8.1%
8. Component mounting prescribed areas: prescribed area is corroded but not considered excessive 7.6%

Pass rate by year of registration

Older cars fail more often whatever the model, so compare a car with others of the same age.

Check a particular Omega

Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.

Other Vauxhall models

• Vauxhall Corsa
• Vauxhall Astra
• Vauxhall Zafira
• Vauxhall Mokka
• Vauxhall Insignia
• Vauxhall Vivaro
• Vauxhall Combo
• Vauxhall Meriva
• Vauxhall Adam
• Vauxhall Grandland
• Vauxhall Crossland
• Vauxhall Vectra
• Vauxhall Viva
• Vauxhall Agila
• Vauxhall Antara
• Vauxhall Astravan
• Vauxhall Tigra
• Vauxhall Movano
• Vauxhall Corsavan
• Vauxhall Cascada
• Vauxhall Signum
• Vauxhall Cavalier
• Vauxhall Ampera

Source: Department for Transport, Anonymised MOT tests and results, 2023, cars and light vans, normal tests only. Pass rates are first-time passes; a pass after repair at the test station counts as a fail. Contains public sector information licensed under the Open Government Licence v3.0.