Performance by cohort
2 year bands · 10,568 tests
Pass rate climbs 2.3 points across the cohorts — newer Corolla Excel Hev Cvt examples clear the test more reliably than the early cars.
Pass
89.7%
Fail
5.8%
PRS
4.1%
Avg mileage at test
38,534 mi
Pass
92.0%
Fail
5.0%
PRS
2.9%
Avg mileage at test
30,501 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.