Performance by cohort
3 year bands · 53,479 tests
Pass rate is broadly flat across the cohorts — new and old 2 Series examples track each other at the test bay.
Pass
88.7%
Fail
8.7%
PRS
2.1%
Avg mileage at test
55,301 mi
Pass
90.4%
Fail
7.0%
PRS
2.1%
Avg mileage at test
34,501 mi
Pass
88.8%
Fail
5.2%
PRS
5.8%
Avg mileage at test
21,021 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.