Performance by cohort
2 year bands · 2,811 tests
Pass rate drops 1.2 points across the cohorts — recent E Advance examples are doing worse than the early cars at the same tested age.
Pass
91.3%
Fail
7.0%
PRS
1.6%
Avg mileage at test
17,799 mi
Pass
90.2%
Fail
7.0%
PRS
2.5%
Avg mileage at test
15,771 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.