Performance by cohort
2 year bands · 2,461 tests
Pass rate is broadly flat across the cohorts — new and old Formentor Vz2 Tsi 4drive S A examples track each other at the test bay.
Pass
92.2%
Fail
7.8%
PRS
0.0%
Avg mileage at test
28,512 mi
Pass
92.2%
Fail
7.0%
PRS
0.6%
Avg mileage at test
24,902 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.