Performance by cohort
2 year bands · 9,900 tests
Pass rate is broadly flat across the cohorts — new and old Jazz Crosstar EX I Mmd Cvt examples track each other at the test bay.
Pass
95.1%
Fail
2.7%
PRS
2.0%
Avg mileage at test
19,493 mi
Pass
94.9%
Fail
2.3%
PRS
2.5%
Avg mileage at test
16,760 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.