Performance by cohort
2 year bands · 5,542 tests
Pass rate climbs 1.6 points across the cohorts — newer Zoe I GT LN Rapid Charge ZE 50 examples clear the test more reliably than the early cars.
Pass
88.7%
Fail
8.8%
PRS
2.3%
Avg mileage at test
26,991 mi
Pass
90.3%
Fail
7.8%
PRS
1.6%
Avg mileage at test
21,818 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.