BMW 420I M Sport Pro Edition Auto

Reliability, estimated running costs, and MOT data across 3 model years from 758 MOT tests in 2024.

Avg Pass Rate

91%

Total Tests

758

Model Years

2020 to 2022

Years Covered

About the BMW 420I M Sport Pro Edition Auto

The BMW 420I M Sport Pro Edition Auto was MOT tested 758 times in 2024 (DVSA data, retests included) across 3 model years (2020 to 2022), with an average pass rate of 91%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Mileage Across Years

The oldest model in our data (2020) averages 24,433 miles, while the newest (2022) averages 22,802 miles.

Estimated Running Costs

Fuel (Petrol, 1998cc)

£1,631

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£2,086

Per month£174/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2022 details

How reliable is the BMW 420I M Sport Pro Edition Auto?

vs average of all models+9% (82% avg)

vs BMW brand average+3% (88% avg)

BMW 420I M Sport Pro Edition Auto by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2022	100%	54	22,802 mi
2021	92%	660	25,227 mi
2020	82%	44	24,433 mi

Questions about the BMW 420I M Sport Pro Edition Auto

Is the BMW 420I M Sport Pro Edition Auto reliable?

Across its 3 model years in our data (2020 to 2022), the BMW 420I M Sport Pro Edition Auto averages a 91% MOT pass rate, from 758 tests (DVSA MOT data for tests in 2024, retests included). That's 9 points above the average of 82% across all models in the same data.