Performance by cohort
3 year bands · 46,585 tests
Pass rate climbs 18.7 points across the cohorts — newer Nv200 examples clear the test more reliably than the early cars.
Pass
66.5%
Fail
25.9%
PRS
7.2%
Avg mileage at test
100,222 mi
Pass
73.3%
Fail
18.6%
PRS
7.7%
Avg mileage at test
61,533 mi
Pass
85.2%
Fail
12.3%
PRS
2.4%
Avg mileage at test
21,851 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.