Performance by cohort
2 year bands · 1,591 tests
Pass rate climbs 2.5 points across the cohorts — newer Kuga Titanium Ecoblue examples clear the test more reliably than the early cars.
Pass
88.0%
Fail
8.7%
PRS
2.4%
Avg mileage at test
30,427 mi
Pass
90.5%
Fail
6.7%
PRS
1.3%
Avg mileage at test
24,272 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.