Performance by cohort
2 year bands · 1,503 tests
Pass rate climbs 8.0 points across the cohorts — newer 5008 GT Prem P Tech S/s Auto examples clear the test more reliably than the early cars.
Pass
80.9%
Fail
16.1%
PRS
2.6%
Avg mileage at test
35,801 mi
Pass
88.9%
Fail
8.9%
PRS
1.9%
Avg mileage at test
27,292 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.