1986 Porsche 911 — MOT History by Age

How cars manufactured in 1986 perform at MOT as they age

40 years

Current Age

85.2%

Latest Pass Rate

5,959

Total Tests (All Years)

95,812 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 1986 Porsche 911 as it ages.

23 yrs69.3%

→ ↓8.0%

24 yrs61.3%

→ ↑5.0%

25 yrs66.3%

→ ↑0.5%

26 yrs66.8%

→ ↑0.6%

27 yrs67.4%

→ ↑0.3%

28 yrs67.7%

→ ↑6.5%

29 yrs74.2%

→ ↓2.7%

30 yrs71.5%

→ ↑4.2%

31 yrs75.7%

→ ↑3.2%

32 yrs78.9%

→ ↓4.3%

33 yrs74.6%

→ ↑6.8%

34 yrs81.4%

→ ↑0.4%

35 yrs81.8%

→ ↑0.5%

36 yrs82.3%

→ ↓0.1%

37 yrs82.2%

→ ↑3.0%

38 yrs85.2%

📊 View as table

Age	Pass Rate	Tests
23 yrs	69.3%	453
24 yrs	61.3%	429
25 yrs	66.3%	412
26 yrs	66.8%	373
27 yrs	67.4%	396
28 yrs	67.7%	393
29 yrs	74.2%	383
30 yrs	71.5%	393
31 yrs	75.7%	350
32 yrs	78.9%	265
33 yrs	74.6%	280
34 yrs	81.4%	226
35 yrs	81.8%	307
36 yrs	82.3%	300
37 yrs	82.2%	315
38 yrs	85.2%	684

Pass Rate Trend

How the 1986 Porsche 911 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (38 yrs)	85.2%	684
2023 (37 yrs)	82.2%	315
2022 (36 yrs)	82.3%	300
2021 (35 yrs)	81.8%	307
2020 (34 yrs)	81.4%	226
2019 (33 yrs)	74.6%	280
2018 (32 yrs)	78.9%	265
2017 (31 yrs)	75.7%	350
2016 (30 yrs)	71.5%	393
2015 (29 yrs)	74.2%	383
2014 (28 yrs)	67.7%	393
2013 (27 yrs)	67.4%	396
2012 (26 yrs)	66.8%	373
2011 (25 yrs)	66.3%	412
2010 (24 yrs)	61.3%	429
2009 (23 yrs)	69.3%	453

Year-by-Year MOT Results

2009

69.3%

Age (yrs) 23Tests 453Avg Mileage 96,478Top Failure Lamps, Reflectors and Electrical Equipment — 21.6%

2010High Fail Rate

61.3%

Age (yrs) 24Tests 429Avg Mileage 98,587Top Failure Lamps, Reflectors and Electrical Equipment — 28.9%

2011

66.3%

Age (yrs) 25Tests 412Avg Mileage 99,063Top Failure Lamps, Reflectors and Electrical Equipment — 23.8%

2012

66.8%

Age (yrs) 26Tests 373Avg Mileage 97,444Top Failure Lamps, Reflectors and Electrical Equipment — 23.9%

2013

67.4%

Age (yrs) 27Tests 396Avg Mileage 100,793Top Failure Lamps, Reflectors and Electrical Equipment — 53.3%

2014

67.7%

Age (yrs) 28Tests 393Avg Mileage 101,725Top Failure Lamps, Reflectors and Electrical Equipment — 56.7%

2015

74.2%

Age (yrs) 29Tests 383Avg Mileage 98,249Top Failure Lamps, Reflectors and Electrical Equipment — 43.3%

2016

71.5%

Age (yrs) 30Tests 393Avg Mileage 98,786Top Failure Lamps, Reflectors and Electrical Equipment — 45.0%

2017

75.7%

Age (yrs) 31Tests 350Avg Mileage 95,801Top Failure Lamps, Reflectors and Electrical Equipment — 33.7%

2018

78.9%

Age (yrs) 32Tests 265Avg Mileage 95,789Top Failure Lamps, reflectors and electrical equipment — 20.0%

2019

74.6%

Age (yrs) 33Tests 280Avg Mileage 99,500Top Failure Lamps, reflectors and electrical equipment — 32.9%

2020

81.4%

Age (yrs) 34Tests 226Avg Mileage 99,109Top Failure Lamps, reflectors and electrical equipment — 19.5%

2021

81.8%

Age (yrs) 35Tests 307Avg Mileage 94,494Top Failure Lamps, reflectors and electrical equipment — 17.9%

2022

82.3%

Age (yrs) 36Tests 300Avg Mileage 94,805Top Failure Lamps, reflectors and electrical equipment — 21.7%

2023

82.2%

Age (yrs) 37Tests 315Avg Mileage 92,796Top Failure Lamps, reflectors and electrical equipment — 23.2%

2024

85.2%

Age (yrs) 38Tests 684Avg Mileage 95,812Top Failure Lamps, reflectors and electrical equipment — 17.3%

MOT results for 1986 Porsche 911 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	23	69.3%	453	96,478	Lamps, Reflectors and Electrical Equipment — 21.6%
2010	24	61.3%	429	98,587	Lamps, Reflectors and Electrical Equipment — 28.9%
2011	25	66.3%	412	99,063	Lamps, Reflectors and Electrical Equipment — 23.8%
2012	26	66.8%	373	97,444	Lamps, Reflectors and Electrical Equipment — 23.9%
2013	27	67.4%	396	100,793	Lamps, Reflectors and Electrical Equipment — 53.3%
2014	28	67.7%	393	101,725	Lamps, Reflectors and Electrical Equipment — 56.7%
2015	29	74.2%	383	98,249	Lamps, Reflectors and Electrical Equipment — 43.3%
2016	30	71.5%	393	98,786	Lamps, Reflectors and Electrical Equipment — 45.0%
2017	31	75.7%	350	95,801	Lamps, Reflectors and Electrical Equipment — 33.7%
2018	32	78.9%	265	95,789	Lamps, reflectors and electrical equipment — 20.0%
2019	33	74.6%	280	99,500	Lamps, reflectors and electrical equipment — 32.9%
2020	34	81.4%	226	99,109	Lamps, reflectors and electrical equipment — 19.5%
2021	35	81.8%	307	94,494	Lamps, reflectors and electrical equipment — 17.9%
2022	36	82.3%	300	94,805	Lamps, reflectors and electrical equipment — 21.7%
2023	37	82.2%	315	92,796	Lamps, reflectors and electrical equipment — 23.2%
2024	38	85.2%	684	95,812	Lamps, reflectors and electrical equipment — 17.3%

Common MOT Failures

Top failure categories across all test years for 1986 Porsche 911, with age trends.

Lamps, Reflectors and Electrical Equipment

34.3%

↓ Decreases with age

Lamps, reflectors and electrical equipment

21.8%

— Consistent

Brakes

14.7%

↓ Decreases with age

Driver's View of the Road

11.8%

— Consistent

Suspension

11.2%

↓ Decreases 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	13.7% (23 yrs)	4.1% (38 yrs)	-9.6%	🟢 ↓
Suspension	7.9% (23 yrs)	4.5% (38 yrs)	-3.4%	🟢 ↓

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 1986 perform at MOT as they age. Data spans from 2009 to 2024, covering 5,959 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.