Performance by cohort
2 year bands · 1,966 tests
Pass rate climbs 1.2 points across the cohorts — newer Kuga ST Line First ED Phev Cvt examples clear the test more reliably than the early cars.
Pass
92.6%
Fail
4.9%
PRS
2.2%
Avg mileage at test
32,244 mi
Pass
93.8%
Fail
5.1%
PRS
1.1%
Avg mileage at test
26,839 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.