1992 Porsche 928 — MOT History by Age

How cars manufactured in 1992 perform at MOT as they age

34 years

Current Age

76.6%

Latest Pass Rate

637

Total Tests (All Years)

110,164 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 1992 Porsche 928 as it ages.

17 yrs56.9%

→ ↑7.7%

18 yrs64.6%

→ ↑9.9%

19 yrs74.5%

→ ↑11.2%

20 yrs85.7%

→ ↓4.8%

21 yrs80.9%

→ ↓11.9%

22 yrs69.0%

→ ↑2.2%

23 yrs71.2%

→ ↑10.4%

24 yrs81.6%

→ ↓18.0%

25 yrs63.6%

→ ↓1.1%

26 yrs62.5%

→ ↑5.1%

27 yrs67.6%

→ ↑16.3%

29 yrs83.9%

→ ↓1.5%

31 yrs82.4%

→ ↓5.8%

32 yrs76.6%

📊 View as table

Age	Pass Rate	Tests
17 yrs	56.9%	58
18 yrs	64.6%	48
19 yrs	74.5%	47
20 yrs	85.7%	42
21 yrs	80.9%	47
22 yrs	69.0%	42
23 yrs	71.2%	52
24 yrs	81.6%	49
25 yrs	63.6%	44
26 yrs	62.5%	32
27 yrs	67.6%	34
29 yrs	83.9%	31
31 yrs	82.4%	34
32 yrs	76.6%	77

Pass Rate Trend

How the 1992 Porsche 928 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (32 yrs)	76.6%	77
2023 (31 yrs)	82.4%	34
2021 (29 yrs)	83.9%	31
2019 (27 yrs)	67.6%	34
2018 (26 yrs)	62.5%	32
2017 (25 yrs)	63.6%	44
2016 (24 yrs)	81.6%	49
2015 (23 yrs)	71.2%	52
2014 (22 yrs)	69%	42
2013 (21 yrs)	80.9%	47
2012 (20 yrs)	85.7%	42
2011 (19 yrs)	74.5%	47
2010 (18 yrs)	64.6%	48
2009 (17 yrs)	56.9%	58

Year-by-Year MOT Results

2009High Fail Rate

56.9%

Age (yrs) 17Tests 58Avg Mileage 108,153Top Failure Lamps, Reflectors and Electrical Equipment — 19.0%

2010High Fail Rate

64.6%

Age (yrs) 18Tests 48Avg Mileage 104,808Top Failure Lamps, Reflectors and Electrical Equipment — 16.7%

2011

74.5%

Age (yrs) 19Tests 47Avg Mileage 111,893Top Failure Brakes — 17.0%

2012

85.7%

Age (yrs) 20Tests 42Avg Mileage 113,297Top Failure Suspension — 7.1%

2013

80.9%

Age (yrs) 21Tests 47Avg Mileage 109,940Top Failure Lamps, Reflectors and Electrical Equipment — 21.3%

2014

69.0%

Age (yrs) 22Tests 42Avg Mileage 114,132Top Failure Lamps, Reflectors and Electrical Equipment — 45.2%

2015

71.2%

Age (yrs) 23Tests 52Avg Mileage 107,538Top Failure Lamps, Reflectors and Electrical Equipment — 30.8%

2016

81.6%

Age (yrs) 24Tests 49Avg Mileage 112,090Top Failure Lamps, Reflectors and Electrical Equipment — 22.4%

2017High Fail Rate

63.6%

Age (yrs) 25Tests 44Avg Mileage 107,077Top Failure Lamps, Reflectors and Electrical Equipment — 45.5%

2018High Fail Rate

62.5%

Age (yrs) 26Tests 32Avg Mileage 112,438Top Failure Suspension — 28.1%

2019

67.6%

Age (yrs) 27Tests 34Avg Mileage 123,162Top Failure Lamps, reflectors and electrical equipment — 32.4%

2021

83.9%

Age (yrs) 29Tests 31Avg Mileage 115,939Top Failure Lamps, reflectors and electrical equipment — 16.1%

2023

82.4%

Age (yrs) 31Tests 34Avg Mileage 109,865Top Failure Lamps, reflectors and electrical equipment — 26.5%

2024

76.6%

Age (yrs) 32Tests 77Avg Mileage 110,164Top Failure Brakes — 18.2%

MOT results for 1992 Porsche 928 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	17	56.9%	58	108,153	Lamps, Reflectors and Electrical Equipment — 19.0%
2010	18	64.6%	48	104,808	Lamps, Reflectors and Electrical Equipment — 16.7%
2011	19	74.5%	47	111,893	Brakes — 17.0%
2012	20	85.7%	42	113,297	Suspension — 7.1%
2013	21	80.9%	47	109,940	Lamps, Reflectors and Electrical Equipment — 21.3%
2014	22	69.0%	42	114,132	Lamps, Reflectors and Electrical Equipment — 45.2%
2015	23	71.2%	52	107,538	Lamps, Reflectors and Electrical Equipment — 30.8%
2016	24	81.6%	49	112,090	Lamps, Reflectors and Electrical Equipment — 22.4%
2017	25	63.6%	44	107,077	Lamps, Reflectors and Electrical Equipment — 45.5%
2018	26	62.5%	32	112,438	Suspension — 28.1%
2019	27	67.6%	34	123,162	Lamps, reflectors and electrical equipment — 32.4%
2021	29	83.9%	31	115,939	Lamps, reflectors and electrical equipment — 16.1%
2023	31	82.4%	34	109,865	Lamps, reflectors and electrical equipment — 26.5%
2024	32	76.6%	77	110,164	Brakes — 18.2%

Common MOT Failures

Top failure categories across all test years for 1992 Porsche 928, with age trends.

Lamps, Reflectors and Electrical Equipment

23.3%

↓ Decreases with age

Lamps, reflectors and electrical equipment

20.6%

↑ Increases with age

Non-component advisories

18.2%

— Consistent

Brakes

17.1%

— Consistent

Exhaust, Fuel and Emissions

15.0%

↑ 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	15.5% (17 yrs)	18.2% (32 yrs)	+2.7%	🔴 ↑

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 1992 perform at MOT as they age. Data spans from 2009 to 2024, covering 637 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.