2020 BMW M340I Xdrive Auto MOT pass rate: 88.8% (3,889 tests)

2020-registered BMW M340I Xdrive Autos passed 88.8% of 3,889 MOT tests in 2023–2025 — 1.2 points worse than same-age cars (89.9%).
88.8%Pass rate, 2020 cars
98.8Age-adjusted index (100 = average)
3,889Tests analysed
30,547 miMedian mileage at test

Is the 2020 M340I Xdrive Auto getting worse?

Pass rate of 2020-registered cars across recent test years:

Test yearPass rate
202387.1%
-3.8 vs same-age
202488.8%
-1.2 vs same-age
202590.5%
+1.6 vs same-age

The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.

What fails on a 2020 M340I Xdrive Auto

#SystemDefects recordedShare
1Tyres45569.9%
2Brakes416.3%
3Suspension365.5%
4Noise, emissions and leaks284.3%
5Visibility243.7%
6Lamps, reflectors and electrical equipment213.2%

All M340I Xdrive Auto years compared

Registration yearTestsPass rateVs same-ageMedian mileage
2019 1,597 89.5% +1.1 pts 33,958
2020 (this page) 3,889 88.8% -1.2 pts 30,547
Buying a 2020 M340I Xdrive Auto? Two checks first

FAQs

Is a 2020 BMW M340I Xdrive Auto reliable?

2020-registered examples passed 88.8% of their MOT tests (3,889 tests, 2023–2025), -1.2 points versus all UK cars registered in the same year. At roughly 6 years old with a median 30,547 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2020 M340I Xdrive Auto?

The median tested example shows 30,547 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.

Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.