Performance by cohort
2 year bands · 4,472 tests
Pass rate climbs 2.1 points across the cohorts — newer Crossland X Griffin Turbo examples clear the test more reliably than the early cars.
Pass
89.8%
Fail
7.8%
PRS
1.9%
Avg mileage at test
29,776 mi
Pass
91.9%
Fail
6.8%
PRS
1.1%
Avg mileage at test
20,396 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.