CarCostCheck

Bmw 120d m sport auto

Reliability, running costs, and MOT data across 2 years from 709 real MOT tests.

Avg Pass Rate

92%

Total Tests

709

Best Year

2021 (93%)

Years Covered

2

About the Bmw 120d m sport auto

The Bmw 120d m sport auto has been tested 709 times in 2026 MOT data across 2 model years (2020 to 2021), with an average pass rate of 92%. That's comfortably above the national average of 82%, making it a reliable choice. Available as diesel.

Best and Worst Years

The 2021 model is the most reliable with a 93% pass rate from 480 tests. The 2020 model has the lowest at 90%. With just a 3 point spread, the 120d m sport auto is consistently reliable regardless of year.

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

Fuel (Diesel, 1995cc)
£1,037
Road Tax
£195
MOT Test
£55
Predicted Repairs
£200
Total per year£1,487
Per month£124/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Bmw 120d m sport auto?

vs national average+10% (82% avg)
vs Bmw brand average+4% (88% avg)
Best to worst year spread3 percentage points

Bmw 120d m sport auto by Year

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

YearPass RateTestsAvg Mileage
202193%48030,354 mi
202090%22935,317 mi

Bmw 120d m sport auto Guides & Articles

Checking a specific Bmw 120d m sport auto?

Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.

GB

Free instant check using official DVSA and DVLA data

GB