Performance by cohort
2 year bands · 1,778 tests
Pass rate climbs 7.1 points across the cohorts — newer Kuga ST Line X ED Eblue Mhev examples clear the test more reliably than the early cars.
Pass
85.8%
Fail
7.7%
PRS
6.3%
Avg mileage at test
33,160 mi
Pass
92.9%
Fail
3.6%
PRS
2.7%
Avg mileage at test
28,021 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.