Performance by cohort
3 year bands · 105,592 tests
Pass rate climbs 6.0 points across the cohorts — newer Relay examples clear the test more reliably than the early cars.
Pass
68.5%
Fail
24.7%
PRS
5.3%
Avg mileage at test
113,451 mi
Pass
73.5%
Fail
19.0%
PRS
6.4%
Avg mileage at test
75,109 mi
Pass
74.5%
Fail
17.1%
PRS
7.2%
Avg mileage at test
27,016 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.