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UK MOT pass rate trends

How the UK's MOT pass rate has changed over time — by year, by season, and by fuel type — based on 829,951,136 rated MOT tests.

79%
Latest pass rate (May 2026)
+5 pts
Since 2005
January
Toughest month (74%)
March
Easiest month (75%)

Pass rate over time

The national MOT pass rate has risen 5 points between 2005 (73%) and 2026 (78%). There's a clear seasonal pattern too: cars are most likely to fail in January (74% pass) and most likely to pass in March (75%).

Pass rate by fuel type

Fuel typeLatest pass rateTests analysed
Petrol 78% 499,389,632
Diesel 75% 320,080,426

Fuel types are taken from the DVSA record; newer powertrains have shorter histories so their samples are smaller.

Pass rate by year

YearAverage pass rateTests
202678%18,989,827
202578%45,634,734
202478%45,585,938
202378%45,209,515
202278%44,644,901
202177%43,078,227
202077%39,821,339
201976%42,471,513
201875%41,838,504
201774%40,732,231
201673%40,014,627
201573%39,796,275
201472%39,798,169
201371%39,662,686
201271%39,071,894
201171%39,006,315
201071%38,176,214
200971%37,445,601
200871%36,361,488
200772%35,157,661
200673%33,231,119
200573%4,222,358

Check a specific car or model

These are national averages. For a single vehicle or model: