1987 Porsche 928 — MOT History by Age

How cars manufactured in 1987 perform at MOT as they age

39 years

Current Age

82.1%

Latest Pass Rate

1,290

Total Tests (All Years)

115,869 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 1987 Porsche 928 as it ages.

22 yrs65.2%

→ ↑2.4%

23 yrs67.6%

→ ↑1.4%

24 yrs69.0%

→ ↓10.0%

25 yrs59.0%

→ ↑13.7%

26 yrs72.7%

→ ↑2.3%

27 yrs75.0%

→ ↓9.6%

28 yrs65.4%

→ ↓3.0%

29 yrs62.4%

→ ↓0.1%

30 yrs62.3%

→ ↑1.9%

31 yrs64.2%

→ ↑9.9%

32 yrs74.1%

→ ↑8.8%

33 yrs82.9%

→ ↓9.5%

34 yrs73.4%

→ ↓2.6%

35 yrs70.8%

→ ↑11.2%

36 yrs82.0%

→ ↑0.1%

37 yrs82.1%

📊 View as table

Age	Pass Rate	Tests
22 yrs	65.2%	112
23 yrs	67.6%	111
24 yrs	69.0%	100
25 yrs	59.0%	105
26 yrs	72.7%	88
27 yrs	75.0%	84
28 yrs	65.4%	78
29 yrs	62.4%	93
30 yrs	62.3%	77
31 yrs	64.2%	53
32 yrs	74.1%	58
33 yrs	82.9%	41
34 yrs	73.4%	64
35 yrs	70.8%	48
36 yrs	82.0%	61
37 yrs	82.1%	117

Pass Rate Trend

How the 1987 Porsche 928 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (37 yrs)	82.1%	117
2023 (36 yrs)	82%	61
2022 (35 yrs)	70.8%	48
2021 (34 yrs)	73.4%	64
2020 (33 yrs)	82.9%	41
2019 (32 yrs)	74.1%	58
2018 (31 yrs)	64.2%	53
2017 (30 yrs)	62.3%	77
2016 (29 yrs)	62.4%	93
2015 (28 yrs)	65.4%	78
2014 (27 yrs)	75%	84
2013 (26 yrs)	72.7%	88
2012 (25 yrs)	59%	105
2011 (24 yrs)	69%	100
2010 (23 yrs)	67.6%	111
2009 (22 yrs)	65.2%	112

Year-by-Year MOT Results

2009

65.2%

Age (yrs) 22Tests 112Avg Mileage 112,025Top Failure Lamps, Reflectors and Electrical Equipment — 23.2%

2010

67.6%

Age (yrs) 23Tests 111Avg Mileage 113,375Top Failure Lamps, Reflectors and Electrical Equipment — 18.0%

2011

69.0%

Age (yrs) 24Tests 100Avg Mileage 117,718Top Failure Lamps, Reflectors and Electrical Equipment — 19.0%

2012High Fail Rate

59.0%

Age (yrs) 25Tests 105Avg Mileage 126,547Top Failure Lamps, Reflectors and Electrical Equipment — 27.6%

2013

72.7%

Age (yrs) 26Tests 88Avg Mileage 112,192Top Failure Lamps, Reflectors and Electrical Equipment — 30.7%

2014

75.0%

Age (yrs) 27Tests 84Avg Mileage 116,363Top Failure Lamps, Reflectors and Electrical Equipment — 27.4%

2015

65.4%

Age (yrs) 28Tests 78Avg Mileage 122,570Top Failure Lamps, Reflectors and Electrical Equipment — 48.7%

2016High Fail Rate

62.4%

Age (yrs) 29Tests 93Avg Mileage 115,510Top Failure Lamps, Reflectors and Electrical Equipment — 54.8%

2017High Fail Rate

62.3%

Age (yrs) 30Tests 77Avg Mileage 117,532Top Failure Lamps, Reflectors and Electrical Equipment — 59.7%

2018High Fail Rate

64.2%

Age (yrs) 31Tests 53Avg Mileage 117,842Top Failure Lamps, reflectors and electrical equipment — 39.6%

2019

74.1%

Age (yrs) 32Tests 58Avg Mileage 120,444Top Failure Lamps, reflectors and electrical equipment — 27.6%

2020

82.9%

Age (yrs) 33Tests 41Avg Mileage 107,929Top Failure Visibility — 14.6%

2021

73.4%

Age (yrs) 34Tests 64Avg Mileage 120,073Top Failure Lamps, reflectors and electrical equipment — 35.9%

2022

70.8%

Age (yrs) 35Tests 48Avg Mileage 118,164Top Failure Lamps, reflectors and electrical equipment — 31.3%

2023

82.0%

Age (yrs) 36Tests 61Avg Mileage 111,134Top Failure Suspension — 24.6%

2024

82.1%

Age (yrs) 37Tests 117Avg Mileage 115,869Top Failure Brakes — 23.1%

MOT results for 1987 Porsche 928 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	22	65.2%	112	112,025	Lamps, Reflectors and Electrical Equipment — 23.2%
2010	23	67.6%	111	113,375	Lamps, Reflectors and Electrical Equipment — 18.0%
2011	24	69.0%	100	117,718	Lamps, Reflectors and Electrical Equipment — 19.0%
2012	25	59.0%	105	126,547	Lamps, Reflectors and Electrical Equipment — 27.6%
2013	26	72.7%	88	112,192	Lamps, Reflectors and Electrical Equipment — 30.7%
2014	27	75.0%	84	116,363	Lamps, Reflectors and Electrical Equipment — 27.4%
2015	28	65.4%	78	122,570	Lamps, Reflectors and Electrical Equipment — 48.7%
2016	29	62.4%	93	115,510	Lamps, Reflectors and Electrical Equipment — 54.8%
2017	30	62.3%	77	117,532	Lamps, Reflectors and Electrical Equipment — 59.7%
2018	31	64.2%	53	117,842	Lamps, reflectors and electrical equipment — 39.6%
2019	32	74.1%	58	120,444	Lamps, reflectors and electrical equipment — 27.6%
2020	33	82.9%	41	107,929	Visibility — 14.6%
2021	34	73.4%	64	120,073	Lamps, reflectors and electrical equipment — 35.9%
2022	35	70.8%	48	118,164	Lamps, reflectors and electrical equipment — 31.3%
2023	36	82.0%	61	111,134	Suspension — 24.6%
2024	37	82.1%	117	115,869	Brakes — 23.1%

Common MOT Failures

Top failure categories across all test years for 1987 Porsche 928, with age trends.

Lamps, Reflectors and Electrical Equipment

34.3%

↑ Increases with age

Lamps, reflectors and electrical equipment

24.9%

↓ Decreases with age

Suspension

20.2%

— Consistent

Brakes

18.6%

↑ Increases with age

Body, chassis, structure

16.0%

↓ 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
Brakes	15.2% (22 yrs)	23.1% (37 yrs)	+7.9%	🔴 ↑
Suspension	10.7% (22 yrs)	9.4% (37 yrs)	-1.3%	⚪ —

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 1987 perform at MOT as they age. Data spans from 2009 to 2024, covering 1,290 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.