BMW 420D M Sport Pro Ed MHEV Auto

Reliability, estimated running costs, and MOT data across 2 model years from 331 MOT tests in 2024.

Avg Pass Rate

98%

Total Tests

331

Model Years

2020 to 2021

Years Covered

About the BMW 420D M Sport Pro Ed MHEV Auto

The BMW 420D M Sport Pro Ed MHEV Auto was MOT tested 331 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 98%. That's comfortably above the average of 82% across all models in our data. Our records list diesel hybrid versions.

Mileage Across Years

The oldest model in our data (2020) averages 30,855 miles, while the newest (2021) averages 28,334 miles.

Compared to the BMW brand average of 88%, the 420D M Sport Pro Ed MHEV Auto performs 10 points better, making it one of the more reliable options in the BMW range.

Estimated Running Costs

Fuel (Diesel hybrid, 1995cc)

£1,397

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£1,852

Per month£154/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 2021 details

How reliable is the BMW 420D M Sport Pro Ed MHEV Auto?

vs average of all models+16% (82% avg)

vs BMW brand average+10% (88% avg)

BMW 420D M Sport Pro Ed MHEV Auto by Year

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

Year	Pass Rate	Tests	Avg Mileage
2021	95%	289	28,334 mi
2020	100%	42	30,855 mi

Questions about the BMW 420D M Sport Pro Ed MHEV Auto

Is the BMW 420D M Sport Pro Ed MHEV Auto reliable?

Across its 2 model years in our data (2020 to 2021), the BMW 420D M Sport Pro Ed MHEV Auto averages a 98% MOT pass rate, from 331 tests (DVSA MOT data for tests in 2024, retests included). That's 16 points above the average of 82% across all models in the same data.