Performance by cohort
2 year bands · 9,734 tests
Pass rate drops 1.3 points across the cohorts — recent Transit Custom 320limitd Eblue examples are doing worse than the early cars at the same tested age.
Pass
82.1%
Fail
11.3%
PRS
5.0%
Avg mileage at test
61,329 mi
Pass
80.8%
Fail
11.1%
PRS
5.8%
Avg mileage at test
45,761 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.