Performance by cohort
2 year bands · 1,525 tests
Pass rate drops 2.6 points across the cohorts — recent 124 Spider Multiair Auto examples are doing worse than the early cars at the same tested age.
Pass
93.2%
Fail
4.2%
PRS
2.7%
Avg mileage at test
32,855 mi
Pass
90.6%
Fail
7.0%
PRS
2.2%
Avg mileage at test
24,180 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.