Performance by cohort
2 year bands · 2,608 tests
Pass rate drops 2.8 points across the cohorts — recent Transporter T32 H LN Tdi 4M SA examples are doing worse than the early cars at the same tested age.
Pass
89.2%
Fail
9.9%
PRS
0.1%
Avg mileage at test
47,867 mi
Pass
86.4%
Fail
10.2%
PRS
1.7%
Avg mileage at test
34,829 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.