Performance by cohort
3 year bands · 234,833 tests
Pass rate climbs 18.9 points across the cohorts — newer 3008 examples clear the test more reliably than the early cars.
Pass
71.6%
Fail
22.2%
PRS
5.7%
Avg mileage at test
79,675 mi
Pass
86.6%
Fail
10.3%
PRS
2.7%
Avg mileage at test
42,291 mi
Pass
90.5%
Fail
6.5%
PRS
2.8%
Avg mileage at test
31,678 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.