1991 Porsche 944 — MOT History by Age

How cars manufactured in 1991 perform at MOT as they age

35 years

Current Age

78.4%

Latest Pass Rate

6,175

Total Tests (All Years)

109,520 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 1991 Porsche 944 as it ages.

18 yrs64.6%

→ ↑2.3%

19 yrs66.9%

→ ↓0.2%

20 yrs66.7%

→ ↑1.2%

21 yrs67.9%

→ ↑3.8%

22 yrs71.7%

→ ↓2.5%

23 yrs69.2%

→ ↑5.5%

24 yrs74.7%

→ ↓4.7%

25 yrs70.0%

→ ↓1.1%

26 yrs68.9%

→ ↑1.6%

27 yrs70.5%

→ ↑4.2%

28 yrs74.7%

→ ↓1.7%

29 yrs73.0%

→ ↑1.9%

30 yrs74.9%

→ ↓1.9%

31 yrs73.0%

→ ↑5.5%

32 yrs78.5%

→ ↓0.1%

33 yrs78.4%

📊 View as table

Age	Pass Rate	Tests
18 yrs	64.6%	517
19 yrs	66.9%	495
20 yrs	66.7%	477
21 yrs	67.9%	445
22 yrs	71.7%	453
23 yrs	69.2%	428
24 yrs	74.7%	411
25 yrs	70.0%	400
26 yrs	68.9%	399
27 yrs	70.5%	268
28 yrs	74.7%	292
29 yrs	73.0%	233
30 yrs	74.9%	315
31 yrs	73.0%	252
32 yrs	78.5%	289
33 yrs	78.4%	501

Pass Rate Trend

How the 1991 Porsche 944 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (33 yrs)	78.4%	501
2023 (32 yrs)	78.5%	289
2022 (31 yrs)	73%	252
2021 (30 yrs)	74.9%	315
2020 (29 yrs)	73%	233
2019 (28 yrs)	74.7%	292
2018 (27 yrs)	70.5%	268
2017 (26 yrs)	68.9%	399
2016 (25 yrs)	70%	400
2015 (24 yrs)	74.7%	411
2014 (23 yrs)	69.2%	428
2013 (22 yrs)	71.7%	453
2012 (21 yrs)	67.9%	445
2011 (20 yrs)	66.7%	477
2010 (19 yrs)	66.9%	495
2009 (18 yrs)	64.6%	517

Year-by-Year MOT Results

2009High Fail Rate

64.6%

Age (yrs) 18Tests 517Avg Mileage 105,283Top Failure Brakes — 23.4%

2010

66.9%

Age (yrs) 19Tests 495Avg Mileage 107,242Top Failure Brakes — 19.6%

2011

66.7%

Age (yrs) 20Tests 477Avg Mileage 109,647Top Failure Brakes — 20.8%

2012

67.9%

Age (yrs) 21Tests 445Avg Mileage 108,202Top Failure Brakes — 20.7%

2013

71.7%

Age (yrs) 22Tests 453Avg Mileage 109,253Top Failure Brakes — 45.3%

2014

69.2%

Age (yrs) 23Tests 428Avg Mileage 109,622Top Failure Brakes — 43.2%

2015

74.7%

Age (yrs) 24Tests 411Avg Mileage 113,970Top Failure Brakes — 38.2%

2016

70.0%

Age (yrs) 25Tests 400Avg Mileage 111,813Top Failure Brakes — 37.3%

2017

68.9%

Age (yrs) 26Tests 399Avg Mileage 113,858Top Failure Brakes — 37.3%

2018

70.5%

Age (yrs) 27Tests 268Avg Mileage 108,698Top Failure Brakes — 25.7%

2019

74.7%

Age (yrs) 28Tests 292Avg Mileage 113,373Top Failure Brakes — 31.8%

2020

73.0%

Age (yrs) 29Tests 233Avg Mileage 112,594Top Failure Lamps, reflectors and electrical equipment — 30.9%

2021

74.9%

Age (yrs) 30Tests 315Avg Mileage 114,755Top Failure Brakes — 46.0%

2022

73.0%

Age (yrs) 31Tests 252Avg Mileage 111,878Top Failure Lamps, reflectors and electrical equipment — 35.7%

2023

78.5%

Age (yrs) 32Tests 289Avg Mileage 114,238Top Failure Brakes — 24.2%

2024

78.4%

Age (yrs) 33Tests 501Avg Mileage 109,520Top Failure Brakes — 23.2%

MOT results for 1991 Porsche 944 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	18	64.6%	517	105,283	Brakes — 23.4%
2010	19	66.9%	495	107,242	Brakes — 19.6%
2011	20	66.7%	477	109,647	Brakes — 20.8%
2012	21	67.9%	445	108,202	Brakes — 20.7%
2013	22	71.7%	453	109,253	Brakes — 45.3%
2014	23	69.2%	428	109,622	Brakes — 43.2%
2015	24	74.7%	411	113,970	Brakes — 38.2%
2016	25	70.0%	400	111,813	Brakes — 37.3%
2017	26	68.9%	399	113,858	Brakes — 37.3%
2018	27	70.5%	268	108,698	Brakes — 25.7%
2019	28	74.7%	292	113,373	Brakes — 31.8%
2020	29	73.0%	233	112,594	Lamps, reflectors and electrical equipment — 30.9%
2021	30	74.9%	315	114,755	Brakes — 46.0%
2022	31	73.0%	252	111,878	Lamps, reflectors and electrical equipment — 35.7%
2023	32	78.5%	289	114,238	Brakes — 24.2%
2024	33	78.4%	501	109,520	Brakes — 23.2%

Common MOT Failures

Top failure categories across all test years for 1991 Porsche 944, with age trends.

Brakes

30.2%

— Consistent

Lamps, reflectors and electrical equipment

26.7%

— Consistent

Lamps, Reflectors and Electrical Equipment

24.5%

↓ Decreases with age

Suspension

17.8%

— Consistent

Body, chassis, structure

10.6%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Tyres	7.0% (18 yrs)	5.4% (33 yrs)	-1.6%	⚪ —
Suspension	13.3% (18 yrs)	12.6% (33 yrs)	-0.7%	⚪ —
Brakes	23.4% (18 yrs)	23.2% (33 yrs)	-0.2%	⚪ —

Other Manufacture Years

1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992

← Back to Porsche 944 overview

Looking for the best year to buy? See the full comparison on the Porsche 944 page →

About This Data

This page shows how Porsche 944 cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2024, covering 6,175 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.