CarCostCheck

Bmw 420i m sport pro edition auto

Reliability, running costs, and MOT data across 3 years from 758 real MOT tests.

Avg Pass Rate

91%

Total Tests

758

Best Year

2022 (100%)

Years Covered

3

About the Bmw 420i m sport pro edition auto

The Bmw 420i m sport pro edition auto has been tested 758 times in 2026 MOT data across 3 model years (2020 to 2022), with an average pass rate of 91%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.

Best and Worst Years

The 2022 model is the most reliable with a 100% pass rate from 54 tests. The 2020 model has the lowest at 82%. With a 18 point spread, choosing the right year makes a big difference to reliability.

Mileage Across Years

The oldest model in our data (2020) averages 24,433 miles, while the newest (2022) averages 22,802 miles.

Estimated Running Costs

Fuel (Petrol, 1998cc)
£1,327
Road Tax
£195
MOT Test
£55
Predicted Repairs
£200
Total per year£1,777
Per month£148/mo

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

Full 2022 details

How reliable is the Bmw 420i m sport pro edition auto?

vs national average+9% (82% avg)
vs Bmw brand average+3% (88% avg)
Best to worst year spread18 percentage points

Bmw 420i m sport pro edition auto by Year

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

YearPass RateTestsAvg Mileage
2022100%5422,802 mi
202192%66025,227 mi
202082%4424,433 mi

Bmw 420i m sport pro edition auto Guides & Articles

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