Performance by cohort
2 year bands · 2,894 tests
Pass rate climbs 2.7 points across the cohorts — newer Focus Titanium X Edition Mhev examples clear the test more reliably than the early cars.
Pass
89.5%
Fail
6.1%
PRS
2.2%
Avg mileage at test
26,733 mi
Pass
92.3%
Fail
6.0%
PRS
1.6%
Avg mileage at test
22,552 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.