Performance by cohort
2 year bands · 13,307 tests
Pass rate climbs 2.5 points across the cohorts — newer Tiguan R Line Tsi S A examples clear the test more reliably than the early cars.
Pass
90.2%
Fail
8.5%
PRS
1.0%
Avg mileage at test
33,234 mi
Pass
92.8%
Fail
5.9%
PRS
1.0%
Avg mileage at test
27,653 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.