1994 Porsche 928 — MOT History by Age

How cars manufactured in 1994 perform at MOT as they age

32 years

Current Age

87.2%

Latest Pass Rate

470

Total Tests (All Years)

83,252 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 1994 Porsche 928 as it ages.

15 yrs63.0%

→ ↓0.5%

16 yrs62.5%

→ ↑11.3%

17 yrs73.8%

→ ↓1.3%

18 yrs72.5%

→ ↓10.3%

19 yrs62.2%

→ ↑11.6%

20 yrs73.8%

→ ↓10.4%

21 yrs63.4%

→ ↑15.5%

22 yrs78.9%

→ ↑5.9%

23 yrs84.8%

→ ↓11.3%

27 yrs73.5%

→ ↑0.2%

29 yrs73.7%

→ ↑13.5%

30 yrs87.2%

📊 View as table

Age	Pass Rate	Tests
15 yrs	63.0%	46
16 yrs	62.5%	40
17 yrs	73.8%	42
18 yrs	72.5%	40
19 yrs	62.2%	37
20 yrs	73.8%	42
21 yrs	63.4%	41
22 yrs	78.9%	38
23 yrs	84.8%	33
27 yrs	73.5%	34
29 yrs	73.7%	38
30 yrs	87.2%	39

Pass Rate Trend

How the 1994 Porsche 928 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (30 yrs)	87.2%	39
2023 (29 yrs)	73.7%	38
2021 (27 yrs)	73.5%	34
2017 (23 yrs)	84.8%	33
2016 (22 yrs)	78.9%	38
2015 (21 yrs)	63.4%	41
2014 (20 yrs)	73.8%	42
2013 (19 yrs)	62.2%	37
2012 (18 yrs)	72.5%	40
2011 (17 yrs)	73.8%	42
2010 (16 yrs)	62.5%	40
2009 (15 yrs)	63%	46

Year-by-Year MOT Results

2009High Fail Rate

63.0%

Age (yrs) 15Tests 46Avg Mileage 84,020Top Failure Exhaust, Fuel and Emissions — 21.7%

2010High Fail Rate

62.5%

Age (yrs) 16Tests 40Avg Mileage 90,438Top Failure Exhaust, Fuel and Emissions — 27.5%

2011

73.8%

Age (yrs) 17Tests 42Avg Mileage 84,543Top Failure Brakes — 11.9%

2012

72.5%

Age (yrs) 18Tests 40Avg Mileage 87,318Top Failure Lamps, Reflectors and Electrical Equipment — 17.5%

2013High Fail Rate

62.2%

Age (yrs) 19Tests 37Avg Mileage 91,339Top Failure Exhaust, Fuel and Emissions — 29.7%

2014

73.8%

Age (yrs) 20Tests 42Avg Mileage 93,843Top Failure Lamps, Reflectors and Electrical Equipment — 38.1%

2015High Fail Rate

63.4%

Age (yrs) 21Tests 41Avg Mileage 91,343Top Failure Exhaust, Fuel and Emissions — 26.8%

2016

78.9%

Age (yrs) 22Tests 38Avg Mileage 87,250Top Failure Lamps, Reflectors and Electrical Equipment — 18.4%

2017

84.8%

Age (yrs) 23Tests 33Avg Mileage 91,468Top Failure Exhaust, Fuel and Emissions — 18.2%

2021

73.5%

Age (yrs) 27Tests 34Avg Mileage 82,509Top Failure Noise, emissions and leaks — 38.2%

2023

73.7%

Age (yrs) 29Tests 38Avg Mileage 69,315Top Failure Noise, emissions and leaks — 36.8%

2024

87.2%

Age (yrs) 30Tests 39Avg Mileage 83,252Top Failure Lamps, reflectors and electrical equipment — 10.3%

MOT results for 1994 Porsche 928 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	15	63.0%	46	84,020	Exhaust, Fuel and Emissions — 21.7%
2010	16	62.5%	40	90,438	Exhaust, Fuel and Emissions — 27.5%
2011	17	73.8%	42	84,543	Brakes — 11.9%
2012	18	72.5%	40	87,318	Lamps, Reflectors and Electrical Equipment — 17.5%
2013	19	62.2%	37	91,339	Exhaust, Fuel and Emissions — 29.7%
2014	20	73.8%	42	93,843	Lamps, Reflectors and Electrical Equipment — 38.1%
2015	21	63.4%	41	91,343	Exhaust, Fuel and Emissions — 26.8%
2016	22	78.9%	38	87,250	Lamps, Reflectors and Electrical Equipment — 18.4%
2017	23	84.8%	33	91,468	Exhaust, Fuel and Emissions — 18.2%
2021	27	73.5%	34	82,509	Noise, emissions and leaks — 38.2%
2023	29	73.7%	38	69,315	Noise, emissions and leaks — 36.8%
2024	30	87.2%	39	83,252	Lamps, reflectors and electrical equipment — 10.3%

Common MOT Failures

Top failure categories across all test years for 1994 Porsche 928, with age trends.

Noise, emissions and leaks

27.6%

↓ Decreases with age

Exhaust, Fuel and Emissions

20.8%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

19.0%

↓ Decreases with age

Brakes

15.8%

↓ Decreases with age

Lamps, reflectors and electrical equipment

15.4%

↓ Decreases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Not enough data to compare failures across ages.

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 1994 perform at MOT as they age. Data spans from 2009 to 2024, covering 470 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.