Performance by cohort
2 year bands · 1,802 tests
Pass rate climbs 6.3 points across the cohorts — newer Clio Iconic Sce examples clear the test more reliably than the early cars.
Pass
84.0%
Fail
12.5%
PRS
3.0%
Avg mileage at test
23,888 mi
Pass
90.3%
Fail
7.6%
PRS
2.1%
Avg mileage at test
22,063 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.