The picture
Omega: middle-of-the-pack on first-time pass
Across 1,703 MOT tests, the Omega returns 72.8% first-time pass — below the UK fleet average. The single most-logged Major fail is the strength or continuity of the load bearing. A defective headlamp lens and a corroded brake pipe round out the top three. Average tested mileage sits at 101,189, which is the lens to read those failure rankings through. If you own one and the next test is close, the ranked list below is a sensible pre-test checklist.
Top ten reasons for rejection.
- 01
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
131 occurrences · 7.7% of tests
- 02
Headlamp reflector or lens slightly defective
129 occurrences · 7.6% of tests
- 03
Brake pipe damaged or excessively corroded
86 occurrences · 5.0% of tests
- 04
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
53 occurrences · 3.1% of tests
- 05
The aim of a headlamp is not within limits laid down in the requirements
50 occurrences · 2.9% of tests
- 06
Tyre tread depth not in accordance with the requirements
45 occurrences · 2.6% of tests
- 07
Exhaust system leaking or insecure
40 occurrences · 2.3% of tests
- 08
A spring or spring component fractured or seriously weakened
39 occurrences · 2.3% of tests
- 09
Wiper blade missing or obviously not clearing the windscreen
36 occurrences · 2.1% of tests
- 10
Lambda coefficient outside the default limits or the range specified by the manufacturer
31 occurrences · 1.8% of tests
Counts cover Major and Dangerous defects logged at test. Advisory items excluded so this shows why a car was rejected, not just what the tester flagged in passing.
Worst-case fix budget · top 3 failures
£60–£250
If every one of this Omega's most-logged Major fails hit at the same MOT, that's the real-world UK garage range. Reality is usually one or two items, not all of them. Open the estimator →
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Tools that pre-empt a retest.
Picked against this car's top failure patterns. Affiliate links to Amazon UK — we earn a small cut at no cost to you. Disclosed up-front, doesn't shape the data.
Buying or keeping a Omega?
Use the failure ranking as a pre-test checklist or a haggling lever. Treat the headline pass rate as a fleet-wide trend, not a guarantee on any individual car.
If you own a Omega and your last MOT looked nothing like the ranked failures above, that's normal — individual cars vary widely. The ranking shows the patterns testers flag most often across the country.