Performance by cohort
3 year bands · 7,210 tests
Pass rate drops 2.5 points across the cohorts — recent Vellfire examples are doing worse than the early cars at the same tested age.
Pass
91.1%
Fail
7.1%
PRS
1.5%
Avg mileage at test
65,435 mi
Pass
94.1%
Fail
4.8%
PRS
1.1%
Avg mileage at test
57,653 mi
Pass
88.6%
Fail
8.6%
PRS
2.9%
Avg mileage at test
69,128 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.