Performance by cohort
3 year bands · 364,201 tests
Pass rate climbs 8.5 points across the cohorts — newer Sprinter examples clear the test more reliably than the early cars.
Pass
70.4%
Fail
21.9%
PRS
6.5%
Avg mileage at test
172,123 mi
Pass
78.7%
Fail
15.5%
PRS
5.0%
Avg mileage at test
115,568 mi
Pass
78.9%
Fail
15.0%
PRS
4.7%
Avg mileage at test
58,707 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.