2004 Mazda Rx8 — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

58.9%

Latest Pass Rate

56,723

Total Tests (All Years)

67,110 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 15

This car: 58.9%

Average: 52.4%

✅ 6.5% above average (11197 models compared)

How This Car Ages

Pass rate progression for the 2004 Mazda Rx8 as it ages.

5 yrs64.8%

→ ↓2.6%

6 yrs62.2%

→ ↓2.4%

7 yrs59.8%

→ ↑0.1%

8 yrs59.9%

→ ↓3.1%

9 yrs56.8%

→ ↓1.4%

10 yrs55.4%

→ ↑1.1%

11 yrs56.5%

→ ↓0.6%

12 yrs55.9%

→ ↓1.6%

13 yrs54.3%

→ ↑3.8%

14 yrs58.1%

→ ↑0.8%

15 yrs58.9%

📊 View as table

Age	Pass Rate	Tests
5 yrs	64.8%	8,683
6 yrs	62.2%	8,226
7 yrs	59.8%	8,023
8 yrs	59.9%	7,278
9 yrs	56.8%	6,430
10 yrs	55.4%	5,330
11 yrs	56.5%	4,380
12 yrs	55.9%	3,472
13 yrs	54.3%	2,584
14 yrs	58.1%	1,304
15 yrs	58.9%	1,013

Pass Rate Trend

How the 2004 Mazda Rx8 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2019 (15 yrs)	58.9%	1,013
2018 (14 yrs)	58.1%	1,304
2017 (13 yrs)	54.3%	2,584
2016 (12 yrs)	55.9%	3,472
2015 (11 yrs)	56.5%	4,380
2014 (10 yrs)	55.4%	5,330
2013 (9 yrs)	56.8%	6,430
2012 (8 yrs)	59.9%	7,278
2011 (7 yrs)	59.8%	8,023
2010 (6 yrs)	62.2%	8,226
2009 (5 yrs)	64.8%	8,683

Year-by-Year MOT Results

2009High Fail Rate

64.8%

Age (yrs) 5Tests 8,683Avg Mileage 43,306Top Failure Suspension — 17.5%

2010High Fail Rate

62.2%

Age (yrs) 6Tests 8,226Avg Mileage 49,402Top Failure Suspension — 20.3%

2011High Fail Rate

59.8%

Age (yrs) 7Tests 8,023Avg Mileage 54,313Top Failure Suspension — 21.3%

2012High Fail Rate

59.9%

Age (yrs) 8Tests 7,278Avg Mileage 58,320Top Failure Suspension — 19.1%

2013High Fail Rate

56.8%

Age (yrs) 9Tests 6,430Avg Mileage 61,790Top Failure Brakes — 40.3%

2014High Fail Rate

55.4%

Age (yrs) 10Tests 5,330Avg Mileage 64,216Top Failure Brakes — 41.6%

2015High Fail Rate

56.5%

Age (yrs) 11Tests 4,380Avg Mileage 66,654Top Failure Brakes — 41.3%

2016High Fail Rate

55.9%

Age (yrs) 12Tests 3,472Avg Mileage 67,463Top Failure Brakes — 42.5%

2017High Fail Rate

54.3%

Age (yrs) 13Tests 2,584Avg Mileage 68,082Top Failure Brakes — 45.2%

2018High Fail Rate

58.1%

Age (yrs) 14Tests 1,304Avg Mileage 69,331Top Failure Suspension — 47.7%

2019High Fail Rate

58.9%

Age (yrs) 15Tests 1,013Avg Mileage 67,110Top Failure Suspension — 43.0%

MOT results for 2004 Mazda Rx8 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	64.8%	8,683	43,306	Suspension — 17.5%
2010	6	62.2%	8,226	49,402	Suspension — 20.3%
2011	7	59.8%	8,023	54,313	Suspension — 21.3%
2012	8	59.9%	7,278	58,320	Suspension — 19.1%
2013	9	56.8%	6,430	61,790	Brakes — 40.3%
2014	10	55.4%	5,330	64,216	Brakes — 41.6%
2015	11	56.5%	4,380	66,654	Brakes — 41.3%
2016	12	55.9%	3,472	67,463	Brakes — 42.5%
2017	13	54.3%	2,584	68,082	Brakes — 45.2%
2018	14	58.1%	1,304	69,331	Suspension — 47.7%
2019	15	58.9%	1,013	67,110	Suspension — 43.0%

Common MOT Failures

Top failure categories across all test years for 2004 Mazda Rx8, with age trends.

Suspension

32.2%

↑ Increases with age

Brakes

32.1%

↑ Increases with age

Noise, emissions and leaks

26.2%

↑ Increases with age

Lamps, reflectors and electrical equipment

24.2%

↑ Increases with age

Tyres

23.7%

↑ 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
Brakes	13.4% (5 yrs)	42.3% (15 yrs)	+28.9%	🔴 ↑
Suspension	17.5% (5 yrs)	43.0% (15 yrs)	+25.5%	🔴 ↑
Tyres	13.8% (5 yrs)	24.1% (15 yrs)	+10.3%	🔴 ↑

Other Manufacture Years

2003 2004 2005 2006 2007 2008 2009 2010 2011

← Back to Mazda Rx8 overview

Looking for the best year to buy? See the full comparison on the Mazda Rx8 page →

About This Data

This page shows how Mazda Rx8 cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2019, covering 56,723 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.