Performance by cohort
2 year bands · 5,011 tests
Pass rate climbs 5.1 points across the cohorts — newer R Rover Evoque R Dyn S D 4x2 examples clear the test more reliably than the early cars.
Pass
87.1%
Fail
9.9%
PRS
2.4%
Avg mileage at test
33,899 mi
Pass
92.2%
Fail
4.8%
PRS
2.2%
Avg mileage at test
25,853 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.