Performance by cohort
2 year bands · 1,340 tests
Pass rate climbs 2.6 points across the cohorts — newer Ignis SZ T Dualjet Mhev Cvt examples clear the test more reliably than the early cars.
Pass
93.2%
Fail
3.8%
PRS
2.8%
Avg mileage at test
16,339 mi
Pass
95.7%
Fail
2.8%
PRS
1.2%
Avg mileage at test
13,607 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.