1978 Morgan 4/4 — MOT History by Age

How cars manufactured in 1978 perform at MOT as they age

48 years

Current Age

75.0%

Latest Pass Rate

326

Total Tests (All Years)

46,931 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1978 Morgan 4/4 as it ages.

31 yrs59.6%

→ ↑11.5%

32 yrs71.1%

→ ↓0.8%

33 yrs70.3%

→ ↑3.0%

34 yrs73.3%

→ ↑10.0%

35 yrs83.3%

→ ↓11.9%

36 yrs71.4%

→ ↑3.6%

37 yrs75.0%

→ ↑7.9%

38 yrs82.9%

→ ↓7.9%

39 yrs75.0%

📊 View as table

Age	Pass Rate	Tests
31 yrs	59.6%	47
32 yrs	71.1%	38
33 yrs	70.3%	37
34 yrs	73.3%	30
35 yrs	83.3%	36
36 yrs	71.4%	35
37 yrs	75.0%	32
38 yrs	82.9%	35
39 yrs	75.0%	36

Pass Rate Trend

How the 1978 Morgan 4/4 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (39 yrs)	75%	36
2016 (38 yrs)	82.9%	35
2015 (37 yrs)	75%	32
2014 (36 yrs)	71.4%	35
2013 (35 yrs)	83.3%	36
2012 (34 yrs)	73.3%	30
2011 (33 yrs)	70.3%	37
2010 (32 yrs)	71.1%	38
2009 (31 yrs)	59.6%	47

Year-by-Year MOT Results

2009High Fail Rate

59.6%

Age (yrs) 31Tests 47Avg Mileage 49,011Top Failure Brakes — 29.8%

2010

71.1%

Age (yrs) 32Tests 38Avg Mileage 50,258Top Failure Brakes — 18.4%

2011

70.3%

Age (yrs) 33Tests 37Avg Mileage 53,843Top Failure Brakes — 16.2%

2012

73.3%

Age (yrs) 34Tests 30Avg Mileage 49,729Top Failure Brakes — 13.3%

2013

83.3%

Age (yrs) 35Tests 36Avg Mileage 48,839Top Failure Brakes — 19.4%

2014

71.4%

Age (yrs) 36Tests 35Avg Mileage 50,092Top Failure Lamps, Reflectors and Electrical Equipment — 17.1%

2015

75.0%

Age (yrs) 37Tests 32Avg Mileage 47,532Top Failure Brakes — 31.3%

2016

82.9%

Age (yrs) 38Tests 35Avg Mileage 42,991Top Failure Lamps, Reflectors and Electrical Equipment — 34.3%

2017

75.0%

Age (yrs) 39Tests 36Avg Mileage 46,931Top Failure Lamps, Reflectors and Electrical Equipment — 25.0%

MOT results for 1978 Morgan 4/4 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	31	59.6%	47	49,011	Brakes — 29.8%
2010	32	71.1%	38	50,258	Brakes — 18.4%
2011	33	70.3%	37	53,843	Brakes — 16.2%
2012	34	73.3%	30	49,729	Brakes — 13.3%
2013	35	83.3%	36	48,839	Brakes — 19.4%
2014	36	71.4%	35	50,092	Lamps, Reflectors and Electrical Equipment — 17.1%
2015	37	75.0%	32	47,532	Brakes — 31.3%
2016	38	82.9%	35	42,991	Lamps, Reflectors and Electrical Equipment — 34.3%
2017	39	75.0%	36	46,931	Lamps, Reflectors and Electrical Equipment — 25.0%

Common MOT Failures

Top failure categories across all test years for 1978 Morgan 4/4, with age trends.

Brakes

19.3%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

17.8%

— Consistent

Suspension

13.6%

↑ Increases with age

Exhaust, Fuel and Emissions

9.6%

— Consistent

Steering

9.4%

↓ Decreases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	6.4% (31 yrs)	25.0% (39 yrs)	+18.6%	🔴 ↑
Brakes	29.8% (31 yrs)	25.0% (39 yrs)	-4.8%	🟢 ↓
Lamps, Reflectors and Electrical Equipment	25.5% (31 yrs)	25.0% (39 yrs)	-0.5%	⚪ —
Exhaust, Fuel and Emissions	10.6% (31 yrs)	11.1% (39 yrs)	+0.5%	⚪ —

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Morgan 4/4 page →

About This Data

This page shows how Morgan 4/4 cars manufactured in 1978 perform at MOT as they age. Data spans from 2009 to 2017, covering 326 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.