Performance by cohort
2 year bands · 41,982 tests
Pass rate drops 1.6 points across the cohorts — recent Transit Custom 300limitd Eblue examples are doing worse than the early cars at the same tested age.
Pass
82.2%
Fail
11.8%
PRS
5.2%
Avg mileage at test
62,205 mi
Pass
80.6%
Fail
12.8%
PRS
5.8%
Avg mileage at test
49,018 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.