1990 Porsche 928 — MOT History by Age

How cars manufactured in 1990 perform at MOT as they age

36 years

Current Age

81.7%

Latest Pass Rate

1,500

Total Tests (All Years)

107,838 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 1990 Porsche 928 as it ages.

19 yrs60.6%

→ ↑10.6%

20 yrs71.2%

→ ↑6.9%

21 yrs78.1%

→ ↓8.3%

22 yrs69.8%

→ ↑1.5%

23 yrs71.3%

→ ↓1.8%

24 yrs69.5%

→ ↑10.7%

25 yrs80.2%

→ ↓9.4%

26 yrs70.8%

→ ↑6.3%

27 yrs77.1%

→ ↑6.0%

28 yrs83.1%

→ ↓8.5%

29 yrs74.6%

→ ↑0.4%

30 yrs75.0%

→ ↑0.8%

31 yrs75.8%

→ ↓0.8%

32 yrs75.0%

→ ↑4.5%

33 yrs79.5%

→ ↑2.2%

34 yrs81.7%

📊 View as table

Age	Pass Rate	Tests
19 yrs	60.6%	132
20 yrs	71.2%	125
21 yrs	78.1%	114
22 yrs	69.8%	106
23 yrs	71.3%	101
24 yrs	69.5%	95
25 yrs	80.2%	86
26 yrs	70.8%	96
27 yrs	77.1%	105
28 yrs	83.1%	71
29 yrs	74.6%	63
30 yrs	75.0%	64
31 yrs	75.8%	66
32 yrs	75.0%	72
33 yrs	79.5%	73
34 yrs	81.7%	131

Pass Rate Trend

How the 1990 Porsche 928 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (34 yrs)	81.7%	131
2023 (33 yrs)	79.5%	73
2022 (32 yrs)	75%	72
2021 (31 yrs)	75.8%	66
2020 (30 yrs)	75%	64
2019 (29 yrs)	74.6%	63
2018 (28 yrs)	83.1%	71
2017 (27 yrs)	77.1%	105
2016 (26 yrs)	70.8%	96
2015 (25 yrs)	80.2%	86
2014 (24 yrs)	69.5%	95
2013 (23 yrs)	71.3%	101
2012 (22 yrs)	69.8%	106
2011 (21 yrs)	78.1%	114
2010 (20 yrs)	71.2%	125
2009 (19 yrs)	60.6%	132

Year-by-Year MOT Results

2009High Fail Rate

60.6%

Age (yrs) 19Tests 132Avg Mileage 114,545Top Failure Lamps, Reflectors and Electrical Equipment — 26.5%

2010

71.2%

Age (yrs) 20Tests 125Avg Mileage 112,608Top Failure Lamps, Reflectors and Electrical Equipment — 18.4%

2011

78.1%

Age (yrs) 21Tests 114Avg Mileage 109,969Top Failure Lamps, Reflectors and Electrical Equipment — 14.0%

2012

69.8%

Age (yrs) 22Tests 106Avg Mileage 108,431Top Failure Lamps, Reflectors and Electrical Equipment — 18.9%

2013

71.3%

Age (yrs) 23Tests 101Avg Mileage 110,159Top Failure Lamps, Reflectors and Electrical Equipment — 30.7%

2014

69.5%

Age (yrs) 24Tests 95Avg Mileage 112,326Top Failure Lamps, Reflectors and Electrical Equipment — 41.1%

2015

80.2%

Age (yrs) 25Tests 86Avg Mileage 112,067Top Failure Lamps, Reflectors and Electrical Equipment — 26.7%

2016

70.8%

Age (yrs) 26Tests 96Avg Mileage 118,152Top Failure Lamps, Reflectors and Electrical Equipment — 29.2%

2017

77.1%

Age (yrs) 27Tests 105Avg Mileage 115,665Top Failure Lamps, Reflectors and Electrical Equipment — 32.4%

2018

83.1%

Age (yrs) 28Tests 71Avg Mileage 111,751Top Failure Tyres — 15.5%

2019

74.6%

Age (yrs) 29Tests 63Avg Mileage 104,848Top Failure Lamps, reflectors and electrical equipment — 33.3%

2020

75.0%

Age (yrs) 30Tests 64Avg Mileage 110,679Top Failure Lamps, reflectors and electrical equipment — 34.4%

2021

75.8%

Age (yrs) 31Tests 66Avg Mileage 108,426Top Failure Lamps, reflectors and electrical equipment — 33.3%

2022

75.0%

Age (yrs) 32Tests 72Avg Mileage 113,478Top Failure Lamps, reflectors and electrical equipment — 45.8%

2023

79.5%

Age (yrs) 33Tests 73Avg Mileage 107,757Top Failure Lamps, reflectors and electrical equipment — 19.2%

2024

81.7%

Age (yrs) 34Tests 131Avg Mileage 107,838Top Failure Lamps, reflectors and electrical equipment — 22.9%

MOT results for 1990 Porsche 928 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	19	60.6%	132	114,545	Lamps, Reflectors and Electrical Equipment — 26.5%
2010	20	71.2%	125	112,608	Lamps, Reflectors and Electrical Equipment — 18.4%
2011	21	78.1%	114	109,969	Lamps, Reflectors and Electrical Equipment — 14.0%
2012	22	69.8%	106	108,431	Lamps, Reflectors and Electrical Equipment — 18.9%
2013	23	71.3%	101	110,159	Lamps, Reflectors and Electrical Equipment — 30.7%
2014	24	69.5%	95	112,326	Lamps, Reflectors and Electrical Equipment — 41.1%
2015	25	80.2%	86	112,067	Lamps, Reflectors and Electrical Equipment — 26.7%
2016	26	70.8%	96	118,152	Lamps, Reflectors and Electrical Equipment — 29.2%
2017	27	77.1%	105	115,665	Lamps, Reflectors and Electrical Equipment — 32.4%
2018	28	83.1%	71	111,751	Tyres — 15.5%
2019	29	74.6%	63	104,848	Lamps, reflectors and electrical equipment — 33.3%
2020	30	75.0%	64	110,679	Lamps, reflectors and electrical equipment — 34.4%
2021	31	75.8%	66	108,426	Lamps, reflectors and electrical equipment — 33.3%
2022	32	75.0%	72	113,478	Lamps, reflectors and electrical equipment — 45.8%
2023	33	79.5%	73	107,757	Lamps, reflectors and electrical equipment — 19.2%
2024	34	81.7%	131	107,838	Lamps, reflectors and electrical equipment — 22.9%

Common MOT Failures

Top failure categories across all test years for 1990 Porsche 928, with age trends.

Lamps, reflectors and electrical equipment

28.6%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

26.4%

↑ Increases with age

Brakes

17.3%

↓ Decreases with age

Suspension

13.6%

— Consistent

Tyres

12.6%

↑ 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	15.9% (19 yrs)	9.2% (34 yrs)	-6.7%	🟢 ↓
Tyres	12.1% (19 yrs)	15.3% (34 yrs)	+3.2%	🔴 ↑

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 1990 perform at MOT as they age. Data spans from 2009 to 2024, covering 1,500 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.