Know Your MOT
13.6%fail rate

BMW 420 Series MOT pass rate by year

How the BMW 420 Series's MOT pass rate changes year by year, from 2013 to 2021, across the DVSA record.

What is the BMW 420 Series MOT pass rate by year?

The MOT pass and failure rate for each BMW 420 Series model year, from the DVSA record. Only years with at least 1,000 tests are shown, so each figure is a real average rather than a handful of cars. The BMW 420 Series averages 13.6% failures across all years.

YearPass rateFailure rateTests
201383.5%16.5%7,207
201483.9%16.1%92,546
201585.5%14.5%106,976
201686.7%13.3%103,468
201787.8%12.2%92,378
201888.0%12.0%68,443
201987.6%12.4%42,003
202089.0%11.0%13,670
202189.6%10.4%1,087

Does age change how often a BMW 420 Series fails?

Older BMW 420 Seriess fail more often, as expected. The 2013 cars fail 16.5% of tests against 10.4% for the 2021. Across every year the model averages 13.6%. The 2013 is the weakest year at 16.5%, and the 2021 the strongest at 10.4%.

More on the BMW 420 Series

The full failure breakdown for this model, and how it compares to others.

See also
BMW 420 Series: common MOT failures and the parts that fix them
All BMW models compared by MOT failure rate
MOT failure rates across Britain

Sources: DVSA MOT History API: MOT test results and defect data ยท DVSA MOT testing data for Great Britain