Performance by cohort
3 year bands · 52,539 tests
Pass rate climbs 19.4 points across the cohorts — newer 5008 examples clear the test more reliably than the early cars.
Pass
66.8%
Fail
25.7%
PRS
6.8%
Avg mileage at test
94,226 mi
Pass
83.2%
Fail
13.0%
PRS
3.4%
Avg mileage at test
45,114 mi
Pass
86.2%
Fail
10.4%
PRS
2.8%
Avg mileage at test
33,700 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.