Performance by cohort
2 year bands · 3,092 tests
Pass rate drops 2.0 points across the cohorts — recent UP Gti examples are doing worse than the early cars at the same tested age.
Pass
89.8%
Fail
8.6%
PRS
1.4%
Avg mileage at test
22,368 mi
Pass
87.8%
Fail
8.5%
PRS
3.6%
Avg mileage at test
17,449 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.