Performance by cohort
3 year bands · 127,193 tests
Pass rate climbs 14.8 points across the cohorts — newer Master examples clear the test more reliably than the early cars.
Pass
67.2%
Fail
26.4%
PRS
5.4%
Avg mileage at test
132,854 mi
Pass
73.8%
Fail
18.5%
PRS
6.8%
Avg mileage at test
107,286 mi
Pass
82.0%
Fail
12.4%
PRS
4.7%
Avg mileage at test
38,979 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.