2020 BMW 320I M Sport Auto MOT pass rate: 91.0% (2,297 tests)

2020-registered BMW 320I M Sport Autos passed 91.0% of 2,297 MOT tests in 2023–2025 — 1.1 points better than all UK cars registered in 2020 (89.9%).
91.0%Pass rate, 2020 cars
101.1Age-adjusted index (100 = average)
2,297Tests analysed
29,513 miMedian mileage at test

Is the 2020 320I M Sport Auto getting worse?

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

Test yearPass rate
202390.0%
-0.8 vs same-age
202492.5%
+2.5 vs same-age
202590.6%
+1.7 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 320I M Sport Auto

#SystemDefects recordedShare
1Tyres18364.0%
2Brakes4315.0%
3Suspension165.6%
4Visibility144.9%
5Lamps, reflectors and electrical equipment93.1%
6Steering62.1%

All 320I M Sport Auto years compared

Registration yearTestsPass rateVs same-ageMedian mileage
2020 (this page) 2,297 91.0% +1.1 pts 29,513
2021 7,105 90.7% +0.3 pts 29,245
2022 1,584 92.6% +1.3 pts 25,296
Buying a 2020 320I M Sport Auto? Two checks first

FAQs

Is a 2020 BMW 320I M Sport Auto reliable?

2020-registered examples passed 91.0% of their MOT tests (2,297 tests, 2023–2025), +1.1 points versus all UK cars registered in the same year. At roughly 6 years old with a median 29,513 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2020 320I M Sport Auto?

The median tested example shows 29,513 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.