Performance by cohort
3 year bands · 598,195 tests
Pass rate climbs 10.9 points across the cohorts — newer Transporter examples clear the test more reliably than the early cars.
Pass
73.0%
Fail
22.1%
PRS
4.2%
Avg mileage at test
132,678 mi
Pass
83.1%
Fail
12.5%
PRS
3.6%
Avg mileage at test
62,859 mi
Pass
83.9%
Fail
10.3%
PRS
3.2%
Avg mileage at test
36,334 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.