1993 Leyland Daf 400 Series Diesel Turbo — MOT History by Age
How cars manufactured in 1993 perform at MOT as they age
Data from official DVSA MOT testing records
Compared to Average at Age 20
⚠️ 17.2% below average (6824 models compared)
How This Car Ages
Pass rate progression for the 1993 Leyland Daf 400 Series Diesel Turbo as it ages.
Bar chart showing pass rate by car age from 16 to 20 years
📊 View as table
| Age | Pass Rate | Tests |
|---|---|---|
| 16 yrs | 40.0% | 95 |
| 17 yrs | 37.7% | 69 |
| 18 yrs | 46.2% | 52 |
| 19 yrs | 34.2% | 38 |
| 20 yrs | 39.4% | 33 |
Pass Rate Trend
How the 1993 Leyland Daf 400 Series Diesel Turbo pass rate changes as it ages, from first MOT to most recent.
Trend shows declining over 5 years
📊 View as table
| Built | Pass Rate | Tests |
|---|---|---|
| 2013 (20 yrs) | 39.4% | 33 |
| 2012 (19 yrs) | 34.2% | 38 |
| 2011 (18 yrs) | 46.2% | 52 |
| 2010 (17 yrs) | 37.7% | 69 |
| 2009 (16 yrs) | 40% | 95 |
Year-by-Year MOT Results
Common MOT Failures
Top failure categories across all test years for 1993 Leyland Daf 400 Series Diesel Turbo, with age trends.
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
| Category | At Youngest | At Oldest | Change | Trend |
|---|---|---|---|---|
| Lamps, Reflectors and Electrical Equipment | 36.8% (16 yrs) | 130.3% (20 yrs) | +93.5%
| 🔴 ↑ |
| Suspension | 41.1% (16 yrs) | 112.1% (20 yrs) | +71.0%
| 🔴 ↑ |
| Brakes | 40.0% (16 yrs) | 103.0% (20 yrs) | +63.0%
| 🔴 ↑ |
| Driver's View of the Road | 20.0% (16 yrs) | 51.5% (20 yrs) | +31.5%
| 🔴 ↑ |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Leyland Daf 400 Series Diesel Turbo page →
About This Data
This page shows how Leyland Daf 400 Series Diesel Turbo cars manufactured in 1993 perform at MOT as they age. Data spans from 2009 to 2013, covering 287 tests. Pass rates naturally decline with age as components wear.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.