Performance by cohort
2 year bands · 7,810 tests
Pass rate drops 1.5 points across the cohorts — recent Fiesta Titanium Turbo Mhev examples are doing worse than the early cars at the same tested age.
Pass
89.6%
Fail
6.3%
PRS
3.7%
Avg mileage at test
23,914 mi
Pass
88.1%
Fail
5.0%
PRS
6.6%
Avg mileage at test
19,866 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.