Performance by cohort
2 year bands · 2,828 tests
Pass rate is broadly flat across the cohorts — new and old Transit Custom 320sprt Eblue A examples track each other at the test bay.
Pass
86.3%
Fail
9.4%
PRS
3.6%
Avg mileage at test
53,479 mi
Pass
85.7%
Fail
7.7%
PRS
4.4%
Avg mileage at test
40,131 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.