Performance by cohort
3 year bands · 5,863 tests
Pass rate climbs 1.3 points across the cohorts — newer GT R examples clear the test more reliably than the early cars.
Pass
93.4%
Fail
3.8%
PRS
1.6%
Avg mileage at test
45,293 mi
Pass
98.2%
Fail
1.9%
PRS
0.0%
Avg mileage at test
19,479 mi
Pass
94.7%
Fail
3.5%
PRS
1.8%
Avg mileage at test
12,659 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.