Leyland Daf 400 Series — Reliability by Year
2,748 vehicles · MOT data 1989–1993 · first-test pass rates
This page shows MOT first-test pass rates for each year the Leyland Daf 400 Series was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →
Which year Leyland Daf 400 Series is most reliable?
MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests. Green = noticeably above average for this model; red = noticeably below average.
Tests range from an average of 71,808 miles (newest year) to 83,007 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →
We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Leyland Daf 400 Series.
Check any UK registration — free MOT history and risk insights.