Performance by cohort
2 year bands · 22,776 tests
Pass rate drops 2.8 points across the cohorts — recent Transit Custom 300leader Eblue examples are doing worse than the early cars at the same tested age.
Pass
78.1%
Fail
14.8%
PRS
6.2%
Avg mileage at test
64,188 mi
Pass
75.3%
Fail
16.4%
PRS
7.6%
Avg mileage at test
54,104 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.