Performance by cohort
2 year bands · 1,751 tests
Pass rate climbs 5.4 points across the cohorts — newer F150 examples clear the test more reliably than the early cars.
Pass
82.4%
Fail
14.0%
PRS
2.6%
Avg mileage at test
98,263 mi
Pass
87.8%
Fail
7.0%
PRS
5.2%
Avg mileage at test
37,306 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.