Performance by cohort
2 year bands · 1,432 tests
Pass rate climbs 2.4 points across the cohorts — newer Kuga ST LN X First ED Phev Cvt examples clear the test more reliably than the early cars.
Pass
93.8%
Fail
4.3%
PRS
1.6%
Avg mileage at test
31,510 mi
Pass
96.3%
Fail
2.7%
PRS
1.1%
Avg mileage at test
23,889 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.