Performance by cohort
2 year bands · 1,883 tests
Pass rate climbs 7.8 points across the cohorts — newer Kuga Vignale Phev Cvt examples clear the test more reliably than the early cars.
Pass
86.9%
Fail
11.3%
PRS
0.9%
Avg mileage at test
39,015 mi
Pass
94.7%
Fail
3.3%
PRS
1.8%
Avg mileage at test
31,152 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.