Performance by cohort
3 year bands · 199,248 tests
Pass rate climbs 14.0 points across the cohorts — newer I20 examples clear the test more reliably than the early cars.
Pass
74.6%
Fail
18.8%
PRS
6.0%
Avg mileage at test
66,307 mi
Pass
88.8%
Fail
7.7%
PRS
3.2%
Avg mileage at test
32,691 mi
Pass
88.6%
Fail
7.3%
PRS
4.1%
Avg mileage at test
23,510 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.