BMW 120D M Sport Auto
Reliability, estimated running costs, and MOT data across 2 model years from 709 MOT tests in 2024.
Avg Pass Rate
92%
Total Tests
709
Highest Pass Rate
2021 (93%)
Years Covered
2
About the BMW 120D M Sport Auto
The BMW 120D M Sport Auto was MOT tested 709 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 92%. That's comfortably above the average of 82% across all models in our data. Our records list diesel versions.
Best and Worst Years
Of the years with at least 100 tests, the 2021 model has the highest pass rate at 93% from 480 tests. The 2020 model has the lowest at 90%. With just a 3 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.
Mileage Across Years
The oldest model in our data (2020) averages 35,317 miles, while the newest (2021) averages 30,354 miles.
Compared to the BMW brand average of 88%, the 120D M Sport Auto performs 4 points better, making it one of the more reliable options in the BMW range.
Estimated Running Costs
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 detailsHow reliable is the BMW 120D M Sport Auto?
BMW 120D M Sport Auto by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the BMW 120D M Sport Auto
Is the BMW 120D M Sport Auto reliable?
Across its 2 model years in our data (2020 to 2021), the BMW 120D M Sport Auto averages a 92% MOT pass rate, from 709 tests (DVSA MOT data for tests in 2024, retests included). That's 10 points above the average of 82% across all models in the same data. The 2021 model has the highest pass rate of the years with at least 100 tests, at 93%.
Which year BMW 120D M Sport Auto has the best MOT pass rate?
Of the years with at least 100 tests, the 2021 BMW 120D M Sport Auto has the highest MOT pass rate at 93%, while the 2020 model has the lowest at 90%, a 3 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
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