Performance by cohort
3 year bands · 8,785 tests
Pass rate climbs 7.3 points across the cohorts — newer 7 Series examples clear the test more reliably than the early cars.
Pass
85.8%
Fail
11.3%
PRS
2.3%
Avg mileage at test
98,516 mi
Pass
93.5%
Fail
5.3%
PRS
0.5%
Avg mileage at test
52,122 mi
Pass
93.0%
Fail
5.2%
PRS
1.3%
Avg mileage at test
39,409 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.