Performance by cohort
2 year bands · 1,941 tests
Pass rate climbs 2.2 points across the cohorts — newer Superb SE L Tsi S A examples clear the test more reliably than the early cars.
Pass
89.9%
Fail
8.1%
PRS
1.8%
Avg mileage at test
36,556 mi
Pass
92.1%
Fail
7.1%
PRS
0.7%
Avg mileage at test
27,604 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.