Performance by cohort
3 year bands · 194,348 tests
Pass rate climbs 12.1 points across the cohorts — newer UP examples clear the test more reliably than the early cars.
Pass
81.2%
Fail
13.8%
PRS
4.7%
Avg mileage at test
53,376 mi
Pass
89.3%
Fail
7.7%
PRS
2.7%
Avg mileage at test
28,205 mi
Pass
93.2%
Fail
4.7%
PRS
1.9%
Avg mileage at test
22,040 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.