Performance by cohort
2 year bands · 8,461 tests
Pass rate drops 1.6 points across the cohorts — recent Golf R Line Tsi examples are doing worse than the early cars at the same tested age.
Pass
92.4%
Fail
6.0%
PRS
1.4%
Avg mileage at test
32,473 mi
Pass
90.8%
Fail
6.8%
PRS
2.2%
Avg mileage at test
27,774 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.