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MG
Mgf
14,047 MOT tests analysed. lands in the middle of the pack — here's where Mgfs pass, fail, and end up on the retest sheet.
That's 6.0 points below the UK fleet average across our 1,984 tracked models — buyers should expect more first-time fails than the typical UK car.
Pass
71.5%
Pass-after-fix
2.6%
Fail
24.4%
Avg miles
66,908
Pass + Pass-after-fix + Fail = 100%
This model's production run straddles the January 2006 Euro 4 cutoff. Individual cars vary — check your registration plate on the government's ULEZ checker. Daily charges if driven in the zone: London £12.50 · Birmingham £8.00 .
The picture
Mgf: middle-of-the-pack on first-time pass
Across 7,870 MOT tests, the Mgf returns 70.8% first-time pass — below the UK fleet average. The single most-logged Major fail is a weak handbrake. Emissions levels exceed the manufacturer's specified limits and the strength or continuity of the load bearing round out the top three. Average tested mileage sits at 66,458, 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.
ABI Insurance Group
Group 12–28
Below the fleet average — generally reasonable to insure. Lower groups cost less to insure; UK fleet average is around Group 22.
Source: ABI Group Rating Panel · administered by Thatcham Research · groups cover standard variants; performance trims may sit higher. Browse all insurance groups →
12–28
out of 50
Top ten reasons for rejection.
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- 01
Parking brake efficiency below minimum requirement
469 occurrences · 3.3% of tests
- 02
Emissions levels exceed the manufacturer's specified limits
455 occurrences · 3.2% of tests
- 03
Lambda coefficient outside the default limits or the range specified by the manufacturer
325 occurrences · 2.3% of tests
- 04
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
324 occurrences · 2.3% of tests
- 05
Emissions levels exceed default limits
292 occurrences · 2.1% of tests
- 06
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
252 occurrences · 1.8% of tests
- 07
Wiper blade missing or obviously not clearing the windscreen
244 occurrences · 1.7% of tests
- 08
Service brake efficiency below minimum requirement
233 occurrences · 1.7% of tests
- 09
The aim of a headlamp is not within limits laid down in the requirements
230 occurrences · 1.6% of tests
- 10
Emissions levels exceed default limits
226 occurrences · 1.6% 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.
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Parts & supplies for this fix
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Buying or keeping a Mgf?
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 Mgf 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.