Is the Bmw 420d m sport mhev auto reliable?

The Bmw 420d m sport mhev auto has an average MOT pass rate of 95% across 3 years, based on 2,589 tests in 2026. That's 13 points above the national average of 82%. The most reliable year is 2020 with a 98% pass rate.

Which year Bmw 420d m sport mhev auto is best?

The 2020 Bmw 420d m sport mhev auto has the highest MOT pass rate at 98%, while the 2021 model has the lowest at 90%. There's a 8 percentage point spread between the best and worst years.

Bmw 420d m sport mhev auto

Reliability, running costs, and MOT data across 3 years from 2,589 real MOT tests.

Avg Pass Rate

95%

Total Tests

2,589

Best Year

2020 (98%)

Years Covered

About the Bmw 420d m sport mhev auto

The Bmw 420d m sport mhev auto has been tested 2,589 times in 2026 MOT data across 3 model years (2020 to 2022), with an average pass rate of 95%. That's comfortably above the national average of 82%, making it a reliable choice. Available as ED.

Best and Worst Years

The 2020 model is the most reliable with a 98% pass rate from 130 tests. The 2021 model has the lowest at 90%. The 8 point spread between years means reliability varies somewhat, but no year is dramatically different.

Reliability Trend

Older BMW 420D M SPORT MHEV AUTOs tend to have better MOT pass rates than newer ones, with an average decline of 5 percentage points across model years.

Mileage Across Years

The oldest model in our data (2020) averages 33,858 miles, while the newest (2022) averages 23,856 miles.

Compared to the Bmw brand average of 88%, the 420d m sport mhev auto performs 7 points better, making it one of the more reliable options in the Bmw range.