1988 Porsche 911 — MOT History by Age

How cars manufactured in 1988 perform at MOT as they age

38 years

Current Age

87.6%

Latest Pass Rate

6,776

Total Tests (All Years)

88,718 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 1988 Porsche 911 as it ages.

21 yrs72.4%

→ ↑1.7%

22 yrs74.1%

→ ↑1.1%

23 yrs75.2%

→ ↑2.8%

24 yrs78.0%

→ ↓5.2%

25 yrs72.8%

→ ↑0.2%

26 yrs73.0%

→ ↑3.5%

27 yrs76.5%

→ ↓0.6%

28 yrs75.9%

→ ↓1.9%

29 yrs74.0%

→ ↑8.7%

30 yrs82.7%

→ ↓1.4%

31 yrs81.3%

→ ↑3.3%

32 yrs84.6%

→ ↓5.5%

33 yrs79.1%

→ ↑4.0%

34 yrs83.1%

→ ↑1.1%

35 yrs84.2%

→ ↑3.4%

36 yrs87.6%

📊 View as table

Age	Pass Rate	Tests
21 yrs	72.4%	507
22 yrs	74.1%	487
23 yrs	75.2%	499
24 yrs	78.0%	455
25 yrs	72.8%	430
26 yrs	73.0%	456
27 yrs	76.5%	451
28 yrs	75.9%	427
29 yrs	74.0%	427
30 yrs	82.7%	313
31 yrs	81.3%	288
32 yrs	84.6%	280
33 yrs	79.1%	339
34 yrs	83.1%	301
35 yrs	84.2%	368
36 yrs	87.6%	748

Pass Rate Trend

How the 1988 Porsche 911 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (36 yrs)	87.6%	748
2023 (35 yrs)	84.2%	368
2022 (34 yrs)	83.1%	301
2021 (33 yrs)	79.1%	339
2020 (32 yrs)	84.6%	280
2019 (31 yrs)	81.3%	288
2018 (30 yrs)	82.7%	313
2017 (29 yrs)	74%	427
2016 (28 yrs)	75.9%	427
2015 (27 yrs)	76.5%	451
2014 (26 yrs)	73%	456
2013 (25 yrs)	72.8%	430
2012 (24 yrs)	78%	455
2011 (23 yrs)	75.2%	499
2010 (22 yrs)	74.1%	487
2009 (21 yrs)	72.4%	507

Year-by-Year MOT Results

2009

72.4%

Age (yrs) 21Tests 507Avg Mileage 91,746Top Failure Lamps, Reflectors and Electrical Equipment — 17.6%

2010

74.1%

Age (yrs) 22Tests 487Avg Mileage 93,791Top Failure Lamps, Reflectors and Electrical Equipment — 16.0%

2011

75.2%

Age (yrs) 23Tests 499Avg Mileage 93,506Top Failure Lamps, Reflectors and Electrical Equipment — 14.2%

2012

78.0%

Age (yrs) 24Tests 455Avg Mileage 91,592Top Failure Lamps, Reflectors and Electrical Equipment — 14.9%

2013

72.8%

Age (yrs) 25Tests 430Avg Mileage 94,654Top Failure Lamps, Reflectors and Electrical Equipment — 34.2%

2014

73.0%

Age (yrs) 26Tests 456Avg Mileage 94,921Top Failure Lamps, Reflectors and Electrical Equipment — 33.6%

2015

76.5%

Age (yrs) 27Tests 451Avg Mileage 92,860Top Failure Lamps, Reflectors and Electrical Equipment — 30.8%

2016

75.9%

Age (yrs) 28Tests 427Avg Mileage 94,839Top Failure Lamps, Reflectors and Electrical Equipment — 27.9%

2017

74.0%

Age (yrs) 29Tests 427Avg Mileage 96,755Top Failure Lamps, Reflectors and Electrical Equipment — 28.1%

2018

82.7%

Age (yrs) 30Tests 313Avg Mileage 98,610Top Failure Lamps, reflectors and electrical equipment — 11.2%

2019

81.3%

Age (yrs) 31Tests 288Avg Mileage 98,040Top Failure Lamps, reflectors and electrical equipment — 18.4%

2020

84.6%

Age (yrs) 32Tests 280Avg Mileage 92,422Top Failure Lamps, reflectors and electrical equipment — 18.6%

2021

79.1%

Age (yrs) 33Tests 339Avg Mileage 92,911Top Failure Lamps, reflectors and electrical equipment — 22.1%

2022

83.1%

Age (yrs) 34Tests 301Avg Mileage 93,412Top Failure Lamps, reflectors and electrical equipment — 19.6%

2023

84.2%

Age (yrs) 35Tests 368Avg Mileage 94,463Top Failure Lamps, reflectors and electrical equipment — 19.6%

2024

87.6%

Age (yrs) 36Tests 748Avg Mileage 88,718Top Failure Lamps, reflectors and electrical equipment — 8.0%

MOT results for 1988 Porsche 911 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	21	72.4%	507	91,746	Lamps, Reflectors and Electrical Equipment — 17.6%
2010	22	74.1%	487	93,791	Lamps, Reflectors and Electrical Equipment — 16.0%
2011	23	75.2%	499	93,506	Lamps, Reflectors and Electrical Equipment — 14.2%
2012	24	78.0%	455	91,592	Lamps, Reflectors and Electrical Equipment — 14.9%
2013	25	72.8%	430	94,654	Lamps, Reflectors and Electrical Equipment — 34.2%
2014	26	73.0%	456	94,921	Lamps, Reflectors and Electrical Equipment — 33.6%
2015	27	76.5%	451	92,860	Lamps, Reflectors and Electrical Equipment — 30.8%
2016	28	75.9%	427	94,839	Lamps, Reflectors and Electrical Equipment — 27.9%
2017	29	74.0%	427	96,755	Lamps, Reflectors and Electrical Equipment — 28.1%
2018	30	82.7%	313	98,610	Lamps, reflectors and electrical equipment — 11.2%
2019	31	81.3%	288	98,040	Lamps, reflectors and electrical equipment — 18.4%
2020	32	84.6%	280	92,422	Lamps, reflectors and electrical equipment — 18.6%
2021	33	79.1%	339	92,911	Lamps, reflectors and electrical equipment — 22.1%
2022	34	83.1%	301	93,412	Lamps, reflectors and electrical equipment — 19.6%
2023	35	84.2%	368	94,463	Lamps, reflectors and electrical equipment — 19.6%
2024	36	87.6%	748	88,718	Lamps, reflectors and electrical equipment — 8.0%

Common MOT Failures

Top failure categories across all test years for 1988 Porsche 911, with age trends.

Lamps, Reflectors and Electrical Equipment

24.1%

↑ Increases with age

Lamps, reflectors and electrical equipment

16.8%

↓ Decreases with age

Brakes

13.4%

↓ Decreases with age

Suspension

9.4%

↓ Decreases with age

Driver's View of the Road

8.1%

↑ 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
Suspension	8.7% (21 yrs)	3.5% (36 yrs)	-5.2%	🟢 ↓
Brakes	11.0% (21 yrs)	6.8% (36 yrs)	-4.2%	🟢 ↓
Tyres	5.5% (21 yrs)	3.3% (36 yrs)	-2.2%	🟢 ↓

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Porsche 911 page →

About This Data

This page shows how Porsche 911 cars manufactured in 1988 perform at MOT as they age. Data spans from 2009 to 2024, covering 6,776 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.