Performance by cohort
2 year bands · 5,229 tests
Pass rate climbs 7.6 points across the cohorts — newer Corsa E Elite Nav examples clear the test more reliably than the early cars.
Pass
78.7%
Fail
16.1%
PRS
4.9%
Avg mileage at test
26,334 mi
Pass
86.3%
Fail
10.6%
PRS
3.1%
Avg mileage at test
23,006 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.