Performance by cohort
3 year bands · 258,019 tests
Pass rate climbs 11.6 points across the cohorts — newer Ranger examples clear the test more reliably than the early cars.
Pass
75.0%
Fail
19.1%
PRS
5.0%
Avg mileage at test
98,524 mi
Pass
83.5%
Fail
12.4%
PRS
3.3%
Avg mileage at test
60,001 mi
Pass
86.6%
Fail
9.3%
PRS
3.4%
Avg mileage at test
42,091 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.