Performance by cohort
2 year bands · 2,071 tests
Pass rate is broadly flat across the cohorts — new and old Himalayan examples track each other at the test bay.
Pass
89.1%
Fail
5.8%
PRS
5.2%
Avg mileage at test
11,322 mi
Pass
89.2%
Fail
5.9%
PRS
4.8%
Avg mileage at test
8,068 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.