Performance by cohort
2 year bands · 4,554 tests
Pass rate climbs 2.0 points across the cohorts — newer Clio S Edition Tce examples clear the test more reliably than the early cars.
Pass
87.6%
Fail
8.9%
PRS
3.3%
Avg mileage at test
26,977 mi
Pass
89.5%
Fail
7.4%
PRS
2.4%
Avg mileage at test
25,390 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.