Performance by cohort
2 year bands · 15,656 tests
Pass rate climbs 2.9 points across the cohorts — newer Clio Iconic Tce examples clear the test more reliably than the early cars.
Pass
85.5%
Fail
11.2%
PRS
2.9%
Avg mileage at test
28,517 mi
Pass
88.4%
Fail
9.4%
PRS
1.9%
Avg mileage at test
23,863 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.