Performance by cohort
3 year bands · 155,960 tests
Pass rate climbs 9.0 points across the cohorts — newer 5 Series examples clear the test more reliably than the early cars.
Pass
84.0%
Fail
12.8%
PRS
2.5%
Avg mileage at test
99,499 mi
Pass
90.3%
Fail
7.9%
PRS
1.3%
Avg mileage at test
54,682 mi
Pass
92.9%
Fail
5.5%
PRS
1.0%
Avg mileage at test
34,497 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.