2004 Porsche Boxster — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

76.7%

Latest Pass Rate

36,544

Total Tests (All Years)

80,550 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 20

This car: 76.7%

Average: 56.6%

✅ 20.1% above average (6824 models compared)

How This Car Ages

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

5 yrs80.4%

→ ↓0.1%

6 yrs80.3%

→ ↑0.9%

7 yrs81.2%

→ ↓2.5%

8 yrs78.7%

→ ↓2.5%

9 yrs76.2%

→ ↑0.4%

10 yrs76.6%

→ ↓1.7%

11 yrs74.9%

→ ↑0.8%

12 yrs75.7%

→ ↓1.8%

13 yrs73.9%

→ ↑0.1%

14 yrs74.0%

→ ↑2.2%

15 yrs76.2%

→ ↓2.0%

16 yrs74.2%

→ ↑0.3%

17 yrs74.5%

→ ↑0.5%

18 yrs75.0%

→ ↓0.8%

19 yrs74.2%

→ ↑2.5%

20 yrs76.7%

📊 View as table

Age	Pass Rate	Tests
5 yrs	80.4%	2,628
6 yrs	80.3%	2,529
7 yrs	81.2%	2,598
8 yrs	78.7%	2,545
9 yrs	76.2%	2,474
10 yrs	76.6%	2,530
11 yrs	74.9%	2,490
12 yrs	75.7%	2,431
13 yrs	73.9%	2,410
14 yrs	74.0%	1,676
15 yrs	76.2%	1,753
16 yrs	74.2%	1,665
17 yrs	74.5%	2,166
18 yrs	75.0%	1,787
19 yrs	74.2%	2,118
20 yrs	76.7%	2,744

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2024 (20 yrs)	76.7%	2,744
2023 (19 yrs)	74.2%	2,118
2022 (18 yrs)	75%	1,787
2021 (17 yrs)	74.5%	2,166
2020 (16 yrs)	74.2%	1,665
2019 (15 yrs)	76.2%	1,753
2018 (14 yrs)	74%	1,676
2017 (13 yrs)	73.9%	2,410
2016 (12 yrs)	75.7%	2,431
2015 (11 yrs)	74.9%	2,490
2014 (10 yrs)	76.6%	2,530
2013 (9 yrs)	76.2%	2,474
2012 (8 yrs)	78.7%	2,545
2011 (7 yrs)	81.2%	2,598
2010 (6 yrs)	80.3%	2,529
2009 (5 yrs)	80.4%	2,628

Year-by-Year MOT Results

2009

80.4%

Age (yrs) 5Tests 2,628Avg Mileage 35,825Top Failure Lamps, Reflectors and Electrical Equipment — 8.9%

2010

80.3%

Age (yrs) 6Tests 2,529Avg Mileage 40,593Top Failure Lamps, Reflectors and Electrical Equipment — 9.5%

2011

81.2%

Age (yrs) 7Tests 2,598Avg Mileage 45,476Top Failure Lamps, Reflectors and Electrical Equipment — 11.3%

2012

78.7%

Age (yrs) 8Tests 2,545Avg Mileage 49,571Top Failure Lamps, Reflectors and Electrical Equipment — 11.6%

2013

76.2%

Age (yrs) 9Tests 2,474Avg Mileage 53,218Top Failure Lamps, Reflectors and Electrical Equipment — 22.7%

2014

76.6%

Age (yrs) 10Tests 2,530Avg Mileage 57,296Top Failure Brakes — 24.2%

2015

74.9%

Age (yrs) 11Tests 2,490Avg Mileage 60,771Top Failure Brakes — 24.9%

2016

75.7%

Age (yrs) 12Tests 2,431Avg Mileage 64,042Top Failure Brakes — 23.7%

2017

73.9%

Age (yrs) 13Tests 2,410Avg Mileage 66,676Top Failure Brakes — 28.0%

2018

74.0%

Age (yrs) 14Tests 1,676Avg Mileage 68,537Top Failure Brakes — 30.3%

2019

76.2%

Age (yrs) 15Tests 1,753Avg Mileage 71,160Top Failure Brakes — 30.3%

2020

74.2%

Age (yrs) 16Tests 1,665Avg Mileage 73,429Top Failure Brakes — 37.4%

2021

74.5%

Age (yrs) 17Tests 2,166Avg Mileage 74,485Top Failure Brakes — 36.7%

2022

75.0%

Age (yrs) 18Tests 1,787Avg Mileage 76,044Top Failure Brakes — 32.7%

2023

74.2%

Age (yrs) 19Tests 2,118Avg Mileage 77,330Top Failure Brakes — 38.1%

2024

76.7%

Age (yrs) 20Tests 2,744Avg Mileage 80,550Top Failure Brakes — 24.9%

MOT results for 2004 Porsche Boxster by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	80.4%	2,628	35,825	Lamps, Reflectors and Electrical Equipment — 8.9%
2010	6	80.3%	2,529	40,593	Lamps, Reflectors and Electrical Equipment — 9.5%
2011	7	81.2%	2,598	45,476	Lamps, Reflectors and Electrical Equipment — 11.3%
2012	8	78.7%	2,545	49,571	Lamps, Reflectors and Electrical Equipment — 11.6%
2013	9	76.2%	2,474	53,218	Lamps, Reflectors and Electrical Equipment — 22.7%
2014	10	76.6%	2,530	57,296	Brakes — 24.2%
2015	11	74.9%	2,490	60,771	Brakes — 24.9%
2016	12	75.7%	2,431	64,042	Brakes — 23.7%
2017	13	73.9%	2,410	66,676	Brakes — 28.0%
2018	14	74.0%	1,676	68,537	Brakes — 30.3%
2019	15	76.2%	1,753	71,160	Brakes — 30.3%
2020	16	74.2%	1,665	73,429	Brakes — 37.4%
2021	17	74.5%	2,166	74,485	Brakes — 36.7%
2022	18	75.0%	1,787	76,044	Brakes — 32.7%
2023	19	74.2%	2,118	77,330	Brakes — 38.1%
2024	20	76.7%	2,744	80,550	Brakes — 24.9%

Common MOT Failures

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

Brakes

23.6%

↑ Increases with age

Lamps, reflectors and electrical equipment

20.8%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

15.3%

— Consistent

Tyres

14.7%

— Consistent

Noise, emissions and leaks

11.2%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	8.8% (5 yrs)	24.9% (20 yrs)	+16.1%	🔴 ↑
Tyres	8.7% (5 yrs)	10.2% (20 yrs)	+1.5%	⚪ —

Other Manufacture Years

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

About This Data

This page shows how Porsche Boxster cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2024, covering 36,544 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.