Performance by cohort
2 year bands · 3,654 tests
Pass rate drops 1.7 points across the cohorts — recent Xc40 Rdesign Pro T5 Recharge A examples are doing worse than the early cars at the same tested age.
Pass
91.8%
Fail
7.3%
PRS
0.6%
Avg mileage at test
42,060 mi
Pass
90.0%
Fail
7.7%
PRS
2.3%
Avg mileage at test
32,057 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.