CarCostCheck

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

3

How reliable is the Bmw 420d m sport mhev auto?

vs national average+13% (82% avg)
vs Bmw brand average+7% (88% avg)
Best to worst year spread8 percentage points
Reliability trendDeclining over years

Bmw 420d m sport mhev auto by Year

YearPass RateTestsAvg Mileage
202296%19723,856 mi
202190%2,26228,824 mi
202098%13033,858 mi

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About the Bmw 420d m sport mhev auto

The Bmw 420d m sport mhev auto has been tested 2,589 times in 2024 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.

Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.