Performance by cohort
3 year bands · 90,210 tests
Pass rate climbs 5.1 points across the cohorts — newer XE examples clear the test more reliably than the early cars.
Pass
84.8%
Fail
11.6%
PRS
3.2%
Avg mileage at test
67,273 mi
Pass
86.7%
Fail
10.3%
PRS
2.8%
Avg mileage at test
42,600 mi
Pass
89.9%
Fail
6.2%
PRS
3.7%
Avg mileage at test
21,743 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.