2004 Porsche 911 — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

86.0%

Latest Pass Rate

41,903

Total Tests (All Years)

73,561 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 20

This car: 86.0%

Average: 56.6%

✅ 29.4% above average (6824 models compared)

How This Car Ages

Pass rate progression for the 2004 Porsche 911 as it ages.

5 yrs82.5%

→ ↓0.2%

6 yrs82.3%

→ ↑0.2%

7 yrs82.5%

→ ↓1.2%

8 yrs81.3%

→ ↓2.6%

9 yrs78.7%

→ ↓0.7%

10 yrs78.0%

→ ↑1.4%

11 yrs79.4%

→ ↑0.4%

12 yrs79.8%

→ ↓0.2%

13 yrs79.6%

→ ↓1.9%

14 yrs77.7%

→ ↑4.9%

15 yrs82.6%

→ ↓0.2%

16 yrs82.4%

→ ↓0.1%

17 yrs82.3%

→ ↑1.2%

18 yrs83.5%

→ ↓0.7%

19 yrs82.8%

→ ↑3.2%

20 yrs86.0%

📊 View as table

Age	Pass Rate	Tests
5 yrs	82.5%	3,006
6 yrs	82.3%	2,922
7 yrs	82.5%	2,953
8 yrs	81.3%	2,866
9 yrs	78.7%	2,859
10 yrs	78.0%	2,866
11 yrs	79.4%	2,780
12 yrs	79.8%	2,797
13 yrs	79.6%	2,695
14 yrs	77.7%	1,860
15 yrs	82.6%	1,969
16 yrs	82.4%	1,887
17 yrs	82.3%	2,526
18 yrs	83.5%	2,013
19 yrs	82.8%	2,400
20 yrs	86.0%	3,504

Pass Rate Trend

How the 2004 Porsche 911 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (20 yrs)	86%	3,504
2023 (19 yrs)	82.8%	2,400
2022 (18 yrs)	83.5%	2,013
2021 (17 yrs)	82.3%	2,526
2020 (16 yrs)	82.4%	1,887
2019 (15 yrs)	82.6%	1,969
2018 (14 yrs)	77.7%	1,860
2017 (13 yrs)	79.6%	2,695
2016 (12 yrs)	79.8%	2,797
2015 (11 yrs)	79.4%	2,780
2014 (10 yrs)	78%	2,866
2013 (9 yrs)	78.7%	2,859
2012 (8 yrs)	81.3%	2,866
2011 (7 yrs)	82.5%	2,953
2010 (6 yrs)	82.3%	2,922
2009 (5 yrs)	82.5%	3,006

Year-by-Year MOT Results

2009

82.5%

Age (yrs) 5Tests 3,006Avg Mileage 32,873Top Failure Tyres — 8.2%

2010

82.3%

Age (yrs) 6Tests 2,922Avg Mileage 37,492Top Failure Lamps, Reflectors and Electrical Equipment — 9.2%

2011

82.5%

Age (yrs) 7Tests 2,953Avg Mileage 42,322Top Failure Lamps, Reflectors and Electrical Equipment — 9.1%

2012

81.3%

Age (yrs) 8Tests 2,866Avg Mileage 46,478Top Failure Lamps, Reflectors and Electrical Equipment — 9.7%

2013

78.7%

Age (yrs) 9Tests 2,859Avg Mileage 50,288Top Failure Lamps, Reflectors and Electrical Equipment — 19.9%

2014

78.0%

Age (yrs) 10Tests 2,866Avg Mileage 53,595Top Failure Lamps, Reflectors and Electrical Equipment — 20.8%

2015

79.4%

Age (yrs) 11Tests 2,780Avg Mileage 57,377Top Failure Brakes — 19.2%

2016

79.8%

Age (yrs) 12Tests 2,797Avg Mileage 59,349Top Failure Lamps, Reflectors and Electrical Equipment — 18.2%

2017

79.6%

Age (yrs) 13Tests 2,695Avg Mileage 62,203Top Failure Brakes — 18.6%

2018

77.7%

Age (yrs) 14Tests 1,860Avg Mileage 64,749Top Failure Brakes — 22.2%

2019

82.6%

Age (yrs) 15Tests 1,969Avg Mileage 66,461Top Failure Brakes — 17.2%

2020

82.4%

Age (yrs) 16Tests 1,887Avg Mileage 68,684Top Failure Brakes — 20.6%

2021

82.3%

Age (yrs) 17Tests 2,526Avg Mileage 70,153Top Failure Brakes — 20.9%

2022

83.5%

Age (yrs) 18Tests 2,013Avg Mileage 70,456Top Failure Brakes — 16.2%

2023

82.8%

Age (yrs) 19Tests 2,400Avg Mileage 72,323Top Failure Brakes — 20.5%

2024

86.0%

Age (yrs) 20Tests 3,504Avg Mileage 73,561Top Failure Brakes — 10.5%

MOT results for 2004 Porsche 911 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	82.5%	3,006	32,873	Tyres — 8.2%
2010	6	82.3%	2,922	37,492	Lamps, Reflectors and Electrical Equipment — 9.2%
2011	7	82.5%	2,953	42,322	Lamps, Reflectors and Electrical Equipment — 9.1%
2012	8	81.3%	2,866	46,478	Lamps, Reflectors and Electrical Equipment — 9.7%
2013	9	78.7%	2,859	50,288	Lamps, Reflectors and Electrical Equipment — 19.9%
2014	10	78.0%	2,866	53,595	Lamps, Reflectors and Electrical Equipment — 20.8%
2015	11	79.4%	2,780	57,377	Brakes — 19.2%
2016	12	79.8%	2,797	59,349	Lamps, Reflectors and Electrical Equipment — 18.2%
2017	13	79.6%	2,695	62,203	Brakes — 18.6%
2018	14	77.7%	1,860	64,749	Brakes — 22.2%
2019	15	82.6%	1,969	66,461	Brakes — 17.2%
2020	16	82.4%	1,887	68,684	Brakes — 20.6%
2021	17	82.3%	2,526	70,153	Brakes — 20.9%
2022	18	83.5%	2,013	70,456	Brakes — 16.2%
2023	19	82.8%	2,400	72,323	Brakes — 20.5%
2024	20	86.0%	3,504	73,561	Brakes — 10.5%

Common MOT Failures

Top failure categories across all test years for 2004 Porsche 911, with age trends.

Lamps, reflectors and electrical equipment

14.4%

↓ Decreases with age

Brakes

14.3%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

14.0%

— Consistent

Tyres

12.3%

— Consistent

Noise, emissions and leaks

5.1%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	4.8% (5 yrs)	10.5% (20 yrs)	+5.7%	🔴 ↑
Tyres	8.2% (5 yrs)	7.6% (20 yrs)	-0.6%	⚪ —

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 2004 perform at MOT as they age. Data spans from 2009 to 2024, covering 41,903 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.