Performance by cohort
3 year bands · 11,376 tests
Pass rate climbs 9.9 points across the cohorts — newer Tivoli examples clear the test more reliably than the early cars.
Pass
75.2%
Fail
18.5%
PRS
5.8%
Avg mileage at test
55,126 mi
Pass
79.6%
Fail
14.3%
PRS
5.8%
Avg mileage at test
38,088 mi
Pass
85.1%
Fail
8.1%
PRS
6.8%
Avg mileage at test
24,606 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.