1983 Porsche 911 — MOT History by Age

How cars manufactured in 1983 perform at MOT as they age

43 years

Current Age

82.1%

Latest Pass Rate

3,218

Total Tests (All Years)

85,330 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 1983 Porsche 911 as it ages.

26 yrs70.7%

→ ↑0.3%

27 yrs71.0%

→ ↓4.1%

28 yrs66.9%

→ ↑1.3%

29 yrs68.2%

→ ↓0.1%

30 yrs68.1%

→ ↑3.0%

31 yrs71.1%

→ ↓1.8%

32 yrs69.3%

→ ↑5.8%

33 yrs75.1%

→ ↑2.9%

34 yrs78.0%

→ ↑1.6%

35 yrs79.6%

→ ↓2.8%

36 yrs76.8%

→ ↑5.2%

37 yrs82.0%

→ ↓4.4%

38 yrs77.6%

→ ↑6.8%

39 yrs84.4%

→ ↓0.8%

40 yrs83.6%

→ ↓1.5%

41 yrs82.1%

📊 View as table

Age	Pass Rate	Tests
26 yrs	70.7%	266
27 yrs	71.0%	255
28 yrs	66.9%	245
29 yrs	68.2%	233
30 yrs	68.1%	235
31 yrs	71.1%	235
32 yrs	69.3%	215
33 yrs	75.1%	213
34 yrs	78.0%	205
35 yrs	79.6%	147
36 yrs	76.8%	164
37 yrs	82.0%	139
38 yrs	77.6%	152
39 yrs	84.4%	154
40 yrs	83.6%	159
41 yrs	82.1%	201

Pass Rate Trend

How the 1983 Porsche 911 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (41 yrs)	82.1%	201
2023 (40 yrs)	83.6%	159
2022 (39 yrs)	84.4%	154
2021 (38 yrs)	77.6%	152
2020 (37 yrs)	82%	139
2019 (36 yrs)	76.8%	164
2018 (35 yrs)	79.6%	147
2017 (34 yrs)	78%	205
2016 (33 yrs)	75.1%	213
2015 (32 yrs)	69.3%	215
2014 (31 yrs)	71.1%	235
2013 (30 yrs)	68.1%	235
2012 (29 yrs)	68.2%	233
2011 (28 yrs)	66.9%	245
2010 (27 yrs)	71%	255
2009 (26 yrs)	70.7%	266

Year-by-Year MOT Results

2009

70.7%

Age (yrs) 26Tests 266Avg Mileage 104,779Top Failure Lamps, Reflectors and Electrical Equipment — 20.7%

2010

71.0%

Age (yrs) 27Tests 255Avg Mileage 102,588Top Failure Lamps, Reflectors and Electrical Equipment — 19.6%

2011

66.9%

Age (yrs) 28Tests 245Avg Mileage 101,585Top Failure Lamps, Reflectors and Electrical Equipment — 24.1%

2012

68.2%

Age (yrs) 29Tests 233Avg Mileage 99,514Top Failure Lamps, Reflectors and Electrical Equipment — 24.5%

2013

68.1%

Age (yrs) 30Tests 235Avg Mileage 100,641Top Failure Lamps, Reflectors and Electrical Equipment — 47.7%

2014

71.1%

Age (yrs) 31Tests 235Avg Mileage 103,417Top Failure Lamps, Reflectors and Electrical Equipment — 49.8%

2015

69.3%

Age (yrs) 32Tests 215Avg Mileage 101,377Top Failure Lamps, Reflectors and Electrical Equipment — 54.4%

2016

75.1%

Age (yrs) 33Tests 213Avg Mileage 100,215Top Failure Lamps, Reflectors and Electrical Equipment — 39.9%

2017

78.0%

Age (yrs) 34Tests 205Avg Mileage 99,039Top Failure Lamps, Reflectors and Electrical Equipment — 30.2%

2018

79.6%

Age (yrs) 35Tests 147Avg Mileage 96,432Top Failure Lamps, Reflectors and Electrical Equipment — 26.5%

2019

76.8%

Age (yrs) 36Tests 164Avg Mileage 99,607Top Failure Lamps, reflectors and electrical equipment — 28.0%

2020

82.0%

Age (yrs) 37Tests 139Avg Mileage 96,389Top Failure Lamps, reflectors and electrical equipment — 33.8%

2021

77.6%

Age (yrs) 38Tests 152Avg Mileage 93,788Top Failure Lamps, reflectors and electrical equipment — 29.6%

2022

84.4%

Age (yrs) 39Tests 154Avg Mileage 97,566Top Failure Lamps, reflectors and electrical equipment — 21.4%

2023

83.6%

Age (yrs) 40Tests 159Avg Mileage 93,628Top Failure Lamps, reflectors and electrical equipment — 29.6%

2024

82.1%

Age (yrs) 41Tests 201Avg Mileage 85,330Top Failure Brakes — 12.4%

MOT results for 1983 Porsche 911 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	26	70.7%	266	104,779	Lamps, Reflectors and Electrical Equipment — 20.7%
2010	27	71.0%	255	102,588	Lamps, Reflectors and Electrical Equipment — 19.6%
2011	28	66.9%	245	101,585	Lamps, Reflectors and Electrical Equipment — 24.1%
2012	29	68.2%	233	99,514	Lamps, Reflectors and Electrical Equipment — 24.5%
2013	30	68.1%	235	100,641	Lamps, Reflectors and Electrical Equipment — 47.7%
2014	31	71.1%	235	103,417	Lamps, Reflectors and Electrical Equipment — 49.8%
2015	32	69.3%	215	101,377	Lamps, Reflectors and Electrical Equipment — 54.4%
2016	33	75.1%	213	100,215	Lamps, Reflectors and Electrical Equipment — 39.9%
2017	34	78.0%	205	99,039	Lamps, Reflectors and Electrical Equipment — 30.2%
2018	35	79.6%	147	96,432	Lamps, Reflectors and Electrical Equipment — 26.5%
2019	36	76.8%	164	99,607	Lamps, reflectors and electrical equipment — 28.0%
2020	37	82.0%	139	96,389	Lamps, reflectors and electrical equipment — 33.8%
2021	38	77.6%	152	93,788	Lamps, reflectors and electrical equipment — 29.6%
2022	39	84.4%	154	97,566	Lamps, reflectors and electrical equipment — 21.4%
2023	40	83.6%	159	93,628	Lamps, reflectors and electrical equipment — 29.6%
2024	41	82.1%	201	85,330	Brakes — 12.4%

Common MOT Failures

Top failure categories across all test years for 1983 Porsche 911, with age trends.

Lamps, Reflectors and Electrical Equipment

33.7%

↑ Increases with age

Lamps, reflectors and electrical equipment

23.6%

— Consistent

Brakes

15.6%

— Consistent

Driver's View of the Road

12.3%

— Consistent

Suspension

10.0%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	15.0% (26 yrs)	12.4% (41 yrs)	-2.6%	🟢 ↓
Tyres	4.9% (26 yrs)	5.0% (41 yrs)	+0.1%	⚪ —

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 1983 perform at MOT as they age. Data spans from 2009 to 2024, covering 3,218 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.