Performance by cohort
2 year bands · 2,339 tests
Pass rate climbs 3.7 points across the cohorts — newer Ignis SZ T Dualjet Mhev examples clear the test more reliably than the early cars.
Pass
91.3%
Fail
6.5%
PRS
2.2%
Avg mileage at test
21,107 mi
Pass
95.0%
Fail
2.5%
PRS
2.4%
Avg mileage at test
15,926 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.