Performance by cohort
3 year bands · 13,333 tests
Pass rate is broadly flat across the cohorts — new and old R8 examples track each other at the test bay.
Pass
93.7%
Fail
5.1%
PRS
0.6%
Avg mileage at test
37,263 mi
Pass
93.2%
Fail
2.8%
PRS
3.6%
Avg mileage at test
18,766 mi
Pass
93.8%
Fail
4.9%
PRS
0.0%
Avg mileage at test
10,622 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.