Performance by cohort
2 year bands · 1,525 tests
Pass rate drops 4.0 points across the cohorts — recent Caravelle Executive Tdi S A examples are doing worse than the early cars at the same tested age.
Pass
90.4%
Fail
8.1%
PRS
0.6%
Avg mileage at test
35,505 mi
Pass
86.4%
Fail
11.1%
PRS
1.9%
Avg mileage at test
29,084 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.