1993 Porsche 928 — MOT History by Age

How cars manufactured in 1993 perform at MOT as they age

33 years

Current Age

91.3%

Latest Pass Rate

544

Total Tests (All Years)

102,975 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for 928

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1993 Porsche 928 as it ages.

16 yrs59.6%

→ ↓4.7%

17 yrs54.9%

→ ↑5.5%

18 yrs60.4%

→ ↓1.2%

19 yrs59.2%

→ ↓2.3%

20 yrs56.9%

→ ↓4.7%

21 yrs52.2%

→ ↑19.9%

22 yrs72.1%

→ ↓12.6%

23 yrs59.5%

→ ↑12.8%

24 yrs72.3%

→ ↓2.6%

26 yrs69.7%

→ ↑10.9%

28 yrs80.6%

→ ↑10.7%

31 yrs91.3%

📊 View as table

Age	Pass Rate	Tests
16 yrs	59.6%	57
17 yrs	54.9%	51
18 yrs	60.4%	48
19 yrs	59.2%	49
20 yrs	56.9%	51
21 yrs	52.2%	46
22 yrs	72.1%	43
23 yrs	59.5%	42
24 yrs	72.3%	47
26 yrs	69.7%	33
28 yrs	80.6%	31
31 yrs	91.3%	46

Pass Rate Trend

How the 1993 Porsche 928 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (31 yrs)	91.3%	46
2021 (28 yrs)	80.6%	31
2019 (26 yrs)	69.7%	33
2017 (24 yrs)	72.3%	47
2016 (23 yrs)	59.5%	42
2015 (22 yrs)	72.1%	43
2014 (21 yrs)	52.2%	46
2013 (20 yrs)	56.9%	51
2012 (19 yrs)	59.2%	49
2011 (18 yrs)	60.4%	48
2010 (17 yrs)	54.9%	51
2009 (16 yrs)	59.6%	57

Year-by-Year MOT Results

2009High Fail Rate

59.6%

Age (yrs) 16Tests 57Avg Mileage 90,189Top Failure Lamps, Reflectors and Electrical Equipment — 24.6%

2010High Fail Rate

54.9%

Age (yrs) 17Tests 51Avg Mileage 95,567Top Failure Exhaust, Fuel and Emissions — 27.5%

2011High Fail Rate

60.4%

Age (yrs) 18Tests 48Avg Mileage 97,634Top Failure Exhaust, Fuel and Emissions — 22.9%

2012High Fail Rate

59.2%

Age (yrs) 19Tests 49Avg Mileage 111,262Top Failure Lamps, Reflectors and Electrical Equipment — 22.4%

2013High Fail Rate

56.9%

Age (yrs) 20Tests 51Avg Mileage 96,230Top Failure Tyres — 47.1%

2014High Fail Rate

52.2%

Age (yrs) 21Tests 46Avg Mileage 95,695Top Failure Lamps, Reflectors and Electrical Equipment — 60.9%

2015

72.1%

Age (yrs) 22Tests 43Avg Mileage 93,472Top Failure Exhaust, Fuel and Emissions — 30.2%

2016High Fail Rate

59.5%

Age (yrs) 23Tests 42Avg Mileage 85,102Top Failure Lamps, Reflectors and Electrical Equipment — 45.2%

2017

72.3%

Age (yrs) 24Tests 47Avg Mileage 88,266Top Failure Lamps, Reflectors and Electrical Equipment — 38.3%

2019

69.7%

Age (yrs) 26Tests 33Avg Mileage 87,132Top Failure Lamps, reflectors and electrical equipment — 51.5%

2021

80.6%

Age (yrs) 28Tests 31Avg Mileage 105,803Top Failure Brakes — 35.5%

2024

91.3%

Age (yrs) 31Tests 46Avg Mileage 102,975Top Failure Noise, emissions and leaks — 8.7%

MOT results for 1993 Porsche 928 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	16	59.6%	57	90,189	Lamps, Reflectors and Electrical Equipment — 24.6%
2010	17	54.9%	51	95,567	Exhaust, Fuel and Emissions — 27.5%
2011	18	60.4%	48	97,634	Exhaust, Fuel and Emissions — 22.9%
2012	19	59.2%	49	111,262	Lamps, Reflectors and Electrical Equipment — 22.4%
2013	20	56.9%	51	96,230	Tyres — 47.1%
2014	21	52.2%	46	95,695	Lamps, Reflectors and Electrical Equipment — 60.9%
2015	22	72.1%	43	93,472	Exhaust, Fuel and Emissions — 30.2%
2016	23	59.5%	42	85,102	Lamps, Reflectors and Electrical Equipment — 45.2%
2017	24	72.3%	47	88,266	Lamps, Reflectors and Electrical Equipment — 38.3%
2019	26	69.7%	33	87,132	Lamps, reflectors and electrical equipment — 51.5%
2021	28	80.6%	31	105,803	Brakes — 35.5%
2024	31	91.3%	46	102,975	Noise, emissions and leaks — 8.7%

Common MOT Failures

Top failure categories across all test years for 1993 Porsche 928, with age trends.

Lamps, Reflectors and Electrical Equipment

33.0%

↑ Increases with age

Exhaust, Fuel and Emissions

24.7%

↑ Increases with age

Brakes

24.7%

↓ Decreases with age

Lamps, reflectors and electrical equipment

24.0%

↓ Decreases with age

Tyres

22.6%

↑ 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	14.0% (16 yrs)	4.3% (31 yrs)	-9.7%	🟢 ↓

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 1993 perform at MOT as they age. Data spans from 2009 to 2024, covering 544 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.