Performance by cohort
2 year bands · 3,345 tests
Pass rate drops 1.5 points across the cohorts — recent Xc40 R Design T4 Recharge Auto examples are doing worse than the early cars at the same tested age.
Pass
93.9%
Fail
5.8%
PRS
0.3%
Avg mileage at test
45,497 mi
Pass
92.4%
Fail
5.6%
PRS
1.6%
Avg mileage at test
36,977 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.