2004 Mazda 323 — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

44.7%

Latest Pass Rate

578

Total Tests (All Years)

91,455 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 13

This car: 44.7%

Average: 53.1%

⚠️ 8.4% below average (13033 models compared)

How This Car Ages

Pass rate progression for the 2004 Mazda 323 as it ages.

5 yrs79.7%

→ ↓13.5%

6 yrs66.2%

→ ↓2.7%

7 yrs63.5%

→ ↓2.0%

8 yrs61.5%

→ ↓6.6%

9 yrs54.9%

→ ↓11.6%

10 yrs43.3%

→ ↓0.4%

11 yrs42.9%

→ ↑3.4%

12 yrs46.3%

→ ↓1.6%

13 yrs44.7%

📊 View as table

Age	Pass Rate	Tests
5 yrs	79.7%	79
6 yrs	66.2%	74
7 yrs	63.5%	74
8 yrs	61.5%	78
9 yrs	54.9%	71
10 yrs	43.3%	67
11 yrs	42.9%	56
12 yrs	46.3%	41
13 yrs	44.7%	38

Pass Rate Trend

How the 2004 Mazda 323 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (13 yrs)	44.7%	38
2016 (12 yrs)	46.3%	41
2015 (11 yrs)	42.9%	56
2014 (10 yrs)	43.3%	67
2013 (9 yrs)	54.9%	71
2012 (8 yrs)	61.5%	78
2011 (7 yrs)	63.5%	74
2010 (6 yrs)	66.2%	74
2009 (5 yrs)	79.7%	79

Year-by-Year MOT Results

2009

79.7%

Age (yrs) 5Tests 79Avg Mileage 47,203Top Failure Brakes — 13.9%

2010

66.2%

Age (yrs) 6Tests 74Avg Mileage 57,151Top Failure Brakes — 16.2%

2011High Fail Rate

63.5%

Age (yrs) 7Tests 74Avg Mileage 64,736Top Failure Brakes — 20.3%

2012High Fail Rate

61.5%

Age (yrs) 8Tests 78Avg Mileage 79,737Top Failure Brakes — 26.9%

2013High Fail Rate

54.9%

Age (yrs) 9Tests 71Avg Mileage 75,770Top Failure Suspension — 95.8%

2014High Fail Rate

43.3%

Age (yrs) 10Tests 67Avg Mileage 83,166Top Failure Suspension — 120.9%

2015High Fail Rate

42.9%

Age (yrs) 11Tests 56Avg Mileage 84,471Top Failure Brakes — 92.9%

2016High Fail Rate

46.3%

Age (yrs) 12Tests 41Avg Mileage 86,546Top Failure Suspension — 80.5%

2017High Fail Rate

44.7%

Age (yrs) 13Tests 38Avg Mileage 91,455Top Failure Suspension — 115.8%

MOT results for 2004 Mazda 323 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	79.7%	79	47,203	Brakes — 13.9%
2010	6	66.2%	74	57,151	Brakes — 16.2%
2011	7	63.5%	74	64,736	Brakes — 20.3%
2012	8	61.5%	78	79,737	Brakes — 26.9%
2013	9	54.9%	71	75,770	Suspension — 95.8%
2014	10	43.3%	67	83,166	Suspension — 120.9%
2015	11	42.9%	56	84,471	Brakes — 92.9%
2016	12	46.3%	41	86,546	Suspension — 80.5%
2017	13	44.7%	38	91,455	Suspension — 115.8%

Common MOT Failures

Top failure categories across all test years for 2004 Mazda 323, with age trends.

Suspension

61.4%

↑ Increases with age

Brakes

45.3%

↑ Increases with age

Body, Structure and General Items

34.3%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

25.8%

↑ Increases with age

Tyres

25.4%

↑ 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
Suspension	5.1% (5 yrs)	115.8% (13 yrs)	+110.7%	🔴 ↑
Brakes	13.9% (5 yrs)	65.8% (13 yrs)	+51.9%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	6.3% (5 yrs)	36.8% (13 yrs)	+30.5%	🔴 ↑
Tyres	8.9% (5 yrs)	28.9% (13 yrs)	+20.0%	🔴 ↑

Other Manufacture Years

1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004

← Back to Mazda 323 overview

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About This Data

This page shows how Mazda 323 cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2017, covering 578 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.