BMW 120D Sport Auto

Reliability, estimated running costs, and MOT data across 2 model years from 105 MOT tests in 2024.

Avg Pass Rate

96%

Total Tests

105

Model Years

2020 to 2021

Years Covered

About the BMW 120D Sport Auto

The BMW 120D Sport Auto was MOT tested 105 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 96%. That's comfortably above the average of 82% across all models in our data. Our records list diesel versions.

Mileage Across Years

The oldest model in our data (2020) averages 35,789 miles, while the newest (2021) averages 36,562 miles.

Compared to the BMW brand average of 88%, the 120D Sport Auto performs 8 points better, making it one of the more reliable options in the BMW range.

Estimated Running Costs

Fuel (Diesel, 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 120D Sport Auto?

vs average of all models+14% (82% avg)

vs BMW brand average+8% (88% avg)

BMW 120D Sport 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	100%	45	36,562 mi
2020	92%	60	35,789 mi

Questions about the BMW 120D Sport Auto

Is the BMW 120D Sport Auto reliable?

Across its 2 model years in our data (2020 to 2021), the BMW 120D Sport Auto averages a 96% MOT pass rate, from 105 tests (DVSA MOT data for tests in 2024, retests included). That's 14 points above the average of 82% across all models in the same data.