1983 Porsche 928 — MOT History by Age

How cars manufactured in 1983 perform at MOT as they age

43 years

Current Age

80.6%

Latest Pass Rate

540

Total Tests (All Years)

99,428 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 1983 Porsche 928 as it ages.

26 yrs56.5%

→ ↓1.4%

27 yrs55.1%

→ ↑11.1%

28 yrs66.2%

→ ↑1.1%

29 yrs67.3%

→ ↓5.6%

30 yrs61.7%

→ ↓5.6%

31 yrs56.1%

→ ↑6.9%

32 yrs63.0%

→ ↓1.6%

33 yrs61.4%

→ ↑1.4%

34 yrs62.8%

→ ↑13.9%

36 yrs76.7%

→ ↑3.9%

38 yrs80.6%

📊 View as table

Age	Pass Rate	Tests
26 yrs	56.5%	69
27 yrs	55.1%	69
28 yrs	66.2%	68
29 yrs	67.3%	52
30 yrs	61.7%	47
31 yrs	56.1%	41
32 yrs	63.0%	46
33 yrs	61.4%	44
34 yrs	62.8%	43
36 yrs	76.7%	30
38 yrs	80.6%	31

Pass Rate Trend

How the 1983 Porsche 928 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2021 (38 yrs)	80.6%	31
2019 (36 yrs)	76.7%	30
2017 (34 yrs)	62.8%	43
2016 (33 yrs)	61.4%	44
2015 (32 yrs)	63%	46
2014 (31 yrs)	56.1%	41
2013 (30 yrs)	61.7%	47
2012 (29 yrs)	67.3%	52
2011 (28 yrs)	66.2%	68
2010 (27 yrs)	55.1%	69
2009 (26 yrs)	56.5%	69

Year-by-Year MOT Results

2009High Fail Rate

56.5%

Age (yrs) 26Tests 69Avg Mileage 97,934Top Failure Lamps, Reflectors and Electrical Equipment — 27.5%

2010High Fail Rate

55.1%

Age (yrs) 27Tests 69Avg Mileage 102,625Top Failure Lamps, Reflectors and Electrical Equipment — 26.1%

2011

66.2%

Age (yrs) 28Tests 68Avg Mileage 96,511Top Failure Lamps, Reflectors and Electrical Equipment — 22.1%

2012

67.3%

Age (yrs) 29Tests 52Avg Mileage 89,813Top Failure Lamps, Reflectors and Electrical Equipment — 25.0%

2013High Fail Rate

61.7%

Age (yrs) 30Tests 47Avg Mileage 89,281Top Failure Brakes — 51.1%

2014High Fail Rate

56.1%

Age (yrs) 31Tests 41Avg Mileage 91,649Top Failure Lamps, Reflectors and Electrical Equipment — 65.9%

2015High Fail Rate

63.0%

Age (yrs) 32Tests 46Avg Mileage 98,416Top Failure Brakes — 60.9%

2016High Fail Rate

61.4%

Age (yrs) 33Tests 44Avg Mileage 99,079Top Failure Lamps, Reflectors and Electrical Equipment — 31.8%

2017High Fail Rate

62.8%

Age (yrs) 34Tests 43Avg Mileage 98,012Top Failure Lamps, Reflectors and Electrical Equipment — 62.8%

2019

76.7%

Age (yrs) 36Tests 30Avg Mileage 88,284Top Failure Lamps, reflectors and electrical equipment — 26.7%

2021

80.6%

Age (yrs) 38Tests 31Avg Mileage 99,428Top Failure Lamps, reflectors and electrical equipment — 32.3%

MOT results for 1983 Porsche 928 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	26	56.5%	69	97,934	Lamps, Reflectors and Electrical Equipment — 27.5%
2010	27	55.1%	69	102,625	Lamps, Reflectors and Electrical Equipment — 26.1%
2011	28	66.2%	68	96,511	Lamps, Reflectors and Electrical Equipment — 22.1%
2012	29	67.3%	52	89,813	Lamps, Reflectors and Electrical Equipment — 25.0%
2013	30	61.7%	47	89,281	Brakes — 51.1%
2014	31	56.1%	41	91,649	Lamps, Reflectors and Electrical Equipment — 65.9%
2015	32	63.0%	46	98,416	Brakes — 60.9%
2016	33	61.4%	44	99,079	Lamps, Reflectors and Electrical Equipment — 31.8%
2017	34	62.8%	43	98,012	Lamps, Reflectors and Electrical Equipment — 62.8%
2019	36	76.7%	30	88,284	Lamps, reflectors and electrical equipment — 26.7%
2021	38	80.6%	31	99,428	Lamps, reflectors and electrical equipment — 32.3%

Common MOT Failures

Top failure categories across all test years for 1983 Porsche 928, with age trends.

Lamps, Reflectors and Electrical Equipment

38.6%

↑ Increases with age

Lamps, reflectors and electrical equipment

29.5%

↑ Increases with age

Brakes

29.0%

↑ Increases with age

Suspension

28.8%

↑ Increases with age

Driver's View of the Road

18.6%

↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	18.8% (26 yrs)	25.8% (38 yrs)	+7.0%	🔴 ↑
Tyres	14.5% (26 yrs)	16.1% (38 yrs)	+1.6%	⚪ —

Other Manufacture Years

1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995

← Back to Porsche 928 overview

Looking for the best year to buy? See the full comparison on the Porsche 928 page →

About This Data

This page shows how Porsche 928 cars manufactured in 1983 perform at MOT as they age. Data spans from 2009 to 2021, covering 540 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.