Performance by cohort
2 year bands · 2,763 tests
Pass rate climbs 3.6 points across the cohorts — newer Jazz SE I Mmd Cvt examples clear the test more reliably than the early cars.
Pass
88.4%
Fail
5.8%
PRS
4.7%
Avg mileage at test
22,916 mi
Pass
92.0%
Fail
4.8%
PRS
2.7%
Avg mileage at test
20,157 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.