1994 Leyland Daf 400 Series Diesel — MOT History by Age

How cars manufactured in 1994 perform at MOT as they age

32 years

Current Age

54.3%

Latest Pass Rate

551

Total Tests (All Years)

87,242 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for 400 Series Diesel

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1994 Leyland Daf 400 Series Diesel as it ages.

15 yrs47.2%

→ ↓3.9%

16 yrs43.3%

→ ↓1.3%

17 yrs42.0%

→ ↑11.2%

18 yrs53.2%

→ ↓13.6%

19 yrs39.6%

→ ↓3.7%

20 yrs35.9%

→ ↑18.4%

21 yrs54.3%

📊 View as table

Age	Pass Rate	Tests
15 yrs	47.2%	159
16 yrs	43.3%	120
17 yrs	42.0%	88
18 yrs	53.2%	62
19 yrs	39.6%	48
20 yrs	35.9%	39
21 yrs	54.3%	35

Pass Rate Trend

How the 1994 Leyland Daf 400 Series Diesel pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2015 (21 yrs)	54.3%	35
2014 (20 yrs)	35.9%	39
2013 (19 yrs)	39.6%	48
2012 (18 yrs)	53.2%	62
2011 (17 yrs)	42%	88
2010 (16 yrs)	43.3%	120
2009 (15 yrs)	47.2%	159

Year-by-Year MOT Results

2009High Fail Rate

47.2%

Age (yrs) 15Tests 159Avg Mileage 105,624Top Failure Lamps, Reflectors and Electrical Equipment — 32.7%

2010High Fail Rate

43.3%

Age (yrs) 16Tests 120Avg Mileage 120,651Top Failure Lamps, Reflectors and Electrical Equipment — 30.8%

2011High Fail Rate

42.0%

Age (yrs) 17Tests 88Avg Mileage 102,469Top Failure Lamps, Reflectors and Electrical Equipment — 29.5%

2012High Fail Rate

53.2%

Age (yrs) 18Tests 62Avg Mileage 92,148Top Failure Lamps, Reflectors and Electrical Equipment — 24.2%

2013High Fail Rate

39.6%

Age (yrs) 19Tests 48Avg Mileage 82,315Top Failure Suspension — 141.7%

2014High Fail Rate

35.9%

Age (yrs) 20Tests 39Avg Mileage 88,742Top Failure Suspension — 151.3%

2015High Fail Rate

54.3%

Age (yrs) 21Tests 35Avg Mileage 87,242Top Failure Suspension — 85.7%

MOT results for 1994 Leyland Daf 400 Series Diesel by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	15	47.2%	159	105,624	Lamps, Reflectors and Electrical Equipment — 32.7%
2010	16	43.3%	120	120,651	Lamps, Reflectors and Electrical Equipment — 30.8%
2011	17	42.0%	88	102,469	Lamps, Reflectors and Electrical Equipment — 29.5%
2012	18	53.2%	62	92,148	Lamps, Reflectors and Electrical Equipment — 24.2%
2013	19	39.6%	48	82,315	Suspension — 141.7%
2014	20	35.9%	39	88,742	Suspension — 151.3%
2015	21	54.3%	35	87,242	Suspension — 85.7%

Common MOT Failures

Top failure categories across all test years for 1994 Leyland Daf 400 Series Diesel, with age trends.

Suspension

68.5%

↑ Increases with age

Brakes

53.7%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

46.8%

— Consistent

Body, Structure and General Items

41.8%

↓ Decreases with age

Tyres

41.0%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	27.0% (15 yrs)	85.7% (21 yrs)	+58.7%	🔴 ↑
Brakes	27.0% (15 yrs)	77.1% (21 yrs)	+50.1%	🔴 ↑
Driver's View of the Road	18.9% (15 yrs)	51.4% (21 yrs)	+32.5%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	32.7% (15 yrs)	34.3% (21 yrs)	+1.6%	⚪ —

Other Manufacture Years

1990 1991 1992 1993 1994

← Back to Leyland Daf 400 Series Diesel overview

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About This Data

This page shows how Leyland Daf 400 Series Diesel cars manufactured in 1994 perform at MOT as they age. Data spans from 2009 to 2015, covering 551 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.