Performance by cohort
2 year bands · 31,845 tests
Pass rate drops 2.1 points across the cohorts — recent Transit Custom 280limitd Eblue examples are doing worse than the early cars at the same tested age.
Pass
82.0%
Fail
11.8%
PRS
5.6%
Avg mileage at test
58,193 mi
Pass
79.9%
Fail
13.3%
PRS
6.4%
Avg mileage at test
46,017 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.