Performance by cohort
2 year bands · 1,541 tests
Pass rate drops 5.5 points across the cohorts — recent R Rover Evoque R Dyn SE Mhev A examples are doing worse than the early cars at the same tested age.
Pass
98.9%
Fail
1.1%
PRS
0.0%
Avg mileage at test
20,875 mi
Pass
93.5%
Fail
4.7%
PRS
1.2%
Avg mileage at test
22,806 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.