2020 BMW 520D M Sport Mhev Auto MOT pass rate: 89.2% (9,025 tests)

2020-registered BMW 520D M Sport Mhev Autos passed 89.2% of 9,025 MOT tests in 2023–2025 — broadly in line with same-age cars (90.0%).
89.2%Pass rate, 2020 cars
99.3Age-adjusted index (100 = average)
9,025Tests analysed
38,540 miMedian mileage at test

Is the 2020 520D M Sport Mhev Auto getting worse?

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

Test yearPass rate
202388.9%
-2.0 vs same-age
202489.9%
-0.0 vs same-age
202589.0%
+0.1 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 520D M Sport Mhev Auto

#SystemDefects recordedShare
1Tyres86962.7%
2Noise, emissions and leaks16912.2%
3Brakes815.8%
4Visibility614.4%
5Road Wheels574.1%
6Lamps, reflectors and electrical equipment433.1%

All 520D M Sport Mhev Auto years compared

Registration yearTestsPass rateVs same-ageMedian mileage
2020 (this page) 9,025 89.2% -0.7 pts 38,540
2021 3,145 87.0% -3.5 pts 36,228
2022 2,053 87.6% -3.6 pts 31,505
Buying a 2020 520D M Sport Mhev Auto? Two checks first

FAQs

Is a 2020 BMW 520D M Sport Mhev Auto reliable?

2020-registered examples passed 89.2% of their MOT tests (9,025 tests, 2023–2025), -0.7 points versus all UK cars registered in the same year. At roughly 6 years old with a median 38,540 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2020 520D M Sport Mhev Auto?

The median tested example shows 38,540 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.