Across the 4 registration years we hold, the Audi A4 sat 233,111 MOT tests and passed first time 79.6% of the time, below the 80.5% national average for cars aged 3 to 8. The strongest year is the 2017 at 83.6%, the weakest the 2014 at 75.6%. Pick a year for the full record, or check a specific reg.
Best year to buy. On this data the 2017 A4 is the strongest at 83.6%, 8 points clear of the 2014. The newer registrations pass more often, a 8-point swing from 2014 to 2017 that usually marks a facelift or new generation.
Reliability by registration year
What fails across the range
Brakes29.1%
Lights & electrics4%
Body & structure3.4%
Emissions & leaks2.2%
Wheels0.8%
Share of tests flagging each component, averaged across every A4 year, weighted by test volume.
First-time MOT pass rate · DVSA bulk data · 2022-2024 · class 4 cars · updated 2026-07-07