Performance by cohort
2 year bands · 6,052 tests
Pass rate climbs 1.5 points across the cohorts — newer Touareg V6 Black Edition Tdi A examples clear the test more reliably than the early cars.
Pass
91.5%
Fail
6.8%
PRS
1.1%
Avg mileage at test
42,439 mi
Pass
93.1%
Fail
5.6%
PRS
0.8%
Avg mileage at test
32,912 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.