Performance by cohort
2 year bands · 7,383 tests
Pass rate climbs 1.2 points across the cohorts — newer Transit Custom 280leader Eblue examples clear the test more reliably than the early cars.
Pass
78.5%
Fail
14.7%
PRS
6.1%
Avg mileage at test
68,648 mi
Pass
79.7%
Fail
13.1%
PRS
6.5%
Avg mileage at test
53,095 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.