Performance by cohort
2 year bands · 11,340 tests
Pass rate is broadly flat across the cohorts — new and old R1250 examples track each other at the test bay.
Pass
95.5%
Fail
2.2%
PRS
1.9%
Avg mileage at test
14,815 mi
Pass
95.8%
Fail
2.1%
PRS
2.1%
Avg mileage at test
10,751 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.