Performance by cohort
3 year bands · 23,775 tests
Pass rate climbs 8.0 points across the cohorts — newer Proace examples clear the test more reliably than the early cars.
Pass
70.9%
Fail
21.0%
PRS
7.2%
Avg mileage at test
92,568 mi
Pass
78.0%
Fail
13.9%
PRS
6.8%
Avg mileage at test
66,609 mi
Pass
78.9%
Fail
13.2%
PRS
6.3%
Avg mileage at test
42,419 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.