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MG
2,710 MOT tests analysed. sits above the UK fleet average — here's where HS Exclusive Phev Autos pass, fail, and end up on the retest sheet.
That's 16.7 points above the UK fleet average across our 1,984 tracked models — a confident result.
Pass
94.2%
Pass-after-fix
1.5%
Fail
3.8%
Avg miles
27,382
Pass + Pass-after-fix + Fail = 100%
Petrol cars first registered from January 2006 meet Euro 4 — compliant in London ULEZ, Birmingham CAZ, Bristol CAZ, and Glasgow LEZ.
Performance by cohort
2 year bands · 2,710 tests
Pass rate is broadly flat across the cohorts — new and old HS Exclusive Phev Auto examples track each other at the test bay.
Pass
94.6%
Fail
3.7%
PRS
1.2%
Avg mileage at test
29,732 mi
Pass
94.2%
Fail
3.8%
PRS
1.5%
Avg mileage at test
27,151 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.
The picture
Across 2,710 MOT tests, the Hs Exclusive Phev Auto returns 94.2% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is a seriously damaged tyre. Windscreen damage and an excessively worn brake disc round out the top three. Average tested mileage sits at 27,382, 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.
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A tyre seriously damaged
27 occurrences · 1.0% of tests
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
21 occurrences · 0.8% of tests
Brake disc or drum significantly and obviously worn
16 occurrences · 0.6% of tests
Tyre tread depth not in accordance with the requirements
11 occurrences · 0.4% of tests
Excessive fluctuation in brake effort through each wheel revolution.
11 occurrences · 0.4% of tests
A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources
8 occurrences · 0.3% of tests
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
7 occurrences · 0.3% of tests
A tyre pressure monitoring system malfunctioning or obviously inoperative
7 occurrences · 0.3% of tests
A tyre cords visible or damaged
6 occurrences · 0.2% of tests
Reflector defective or damaged by up to 50% of the reflecting surface
6 occurrences · 0.2% 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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Year-band analysis
First-time MOT pass rate split by registration band. Pass rates barely move across bands here, so the year you buy MG HS Exclusive Phev Auto makes little measurable difference to MOT outcomes.
Best band to buy
94.6%
2018–2020 registration
the 2018–2020 band climbs to 94.6% — a 0.5-point improvement. Failures here are mostly wear items: has a cut in excess of the…, damaged but not adversely affecting driver's view — the structural issues that drag down older examples don't appear in the top-10 for this band.
Band to be cautious about
94.2%
2021+ registration
On the 2021-on band, the data shows a 94.2% pass rate against a fleet average of 94.6% on the newer band. The main culprits logged at test: has a cut in excess of the…, damaged but not adversely affecting driver's view, and significantly and obviously worn. Average mileage on test for this band is 27,151 miles — high-mileage wear items are a recurring theme.
Best band to buy: 2018-2020 (94.6% first-time pass). Worst band to avoid: 2021+ (94.2% pass). That's a 0.5-point spread across 2,468 older tests and 242 newer ones — year of build makes a material difference on this model.
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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 an HS Exclusive Phev Auto 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.