Performance by cohort
2 year bands · 3,534 tests
Pass rate is broadly flat across the cohorts — new and old C HR Orange Edition Hev Cvt examples track each other at the test bay.
Pass
91.1%
Fail
5.7%
PRS
3.1%
Avg mileage at test
29,614 mi
Pass
90.5%
Fail
6.3%
PRS
3.2%
Avg mileage at test
28,556 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.