2003 Mazda 323 — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

57.4%

Latest Pass Rate

45,210

Total Tests (All Years)

71,735 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 2003 Mazda 323 as it ages.

6 yrs72.1%

→ ↓5.2%

7 yrs66.9%

→ ↓3.8%

8 yrs63.1%

→ ↓9.7%

9 yrs53.4%

→ ↓4.8%

10 yrs48.6%

→ ↓0.5%

11 yrs48.1%

→ ↓1.7%

12 yrs46.4%

→ ↑0.7%

13 yrs47.1%

→ ↓0.8%

14 yrs46.3%

→ ↓0.6%

15 yrs45.7%

→ ↑1.5%

16 yrs47.2%

→ ↑4.4%

17 yrs51.6%

→ ↑0.5%

18 yrs52.1%

→ ↓4.7%

19 yrs47.4%

→ ↑3.1%

20 yrs50.5%

→ ↑6.9%

21 yrs57.4%

📊 View as table

Age	Pass Rate	Tests
6 yrs	72.1%	5,922
7 yrs	66.9%	5,783
8 yrs	63.1%	5,789
9 yrs	53.4%	5,557
10 yrs	48.6%	5,182
11 yrs	48.1%	4,566
12 yrs	46.4%	3,801
13 yrs	47.1%	2,886
14 yrs	46.3%	2,065
15 yrs	45.7%	1,025
16 yrs	47.2%	742
17 yrs	51.6%	521
18 yrs	52.1%	489
19 yrs	47.4%	304
20 yrs	50.5%	287
21 yrs	57.4%	291

Pass Rate Trend

How the 2003 Mazda 323 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (21 yrs)	57.4%	291
2023 (20 yrs)	50.5%	287
2022 (19 yrs)	47.4%	304
2021 (18 yrs)	52.1%	489
2020 (17 yrs)	51.6%	521
2019 (16 yrs)	47.2%	742
2018 (15 yrs)	45.7%	1,025
2017 (14 yrs)	46.3%	2,065
2016 (13 yrs)	47.1%	2,886
2015 (12 yrs)	46.4%	3,801
2014 (11 yrs)	48.1%	4,566
2013 (10 yrs)	48.6%	5,182
2012 (9 yrs)	53.4%	5,557
2011 (8 yrs)	63.1%	5,789
2010 (7 yrs)	66.9%	5,783
2009 (6 yrs)	72.1%	5,922

Year-by-Year MOT Results

2009

72.1%

Age (yrs) 6Tests 5,922Avg Mileage 49,568Top Failure Brakes — 15.2%

2010

66.9%

Age (yrs) 7Tests 5,783Avg Mileage 57,049Top Failure Brakes — 18.2%

2011High Fail Rate

63.1%

Age (yrs) 8Tests 5,789Avg Mileage 62,901Top Failure Brakes — 19.7%

2012High Fail Rate

53.4%

Age (yrs) 9Tests 5,557Avg Mileage 68,908Top Failure Suspension — 30.6%

2013High Fail Rate

48.6%

Age (yrs) 10Tests 5,182Avg Mileage 73,988Top Failure Suspension — 100.6%

2014High Fail Rate

48.1%

Age (yrs) 11Tests 4,566Avg Mileage 77,288Top Failure Suspension — 106.5%

2015High Fail Rate

46.4%

Age (yrs) 12Tests 3,801Avg Mileage 80,300Top Failure Suspension — 114.9%

2016High Fail Rate

47.1%

Age (yrs) 13Tests 2,886Avg Mileage 80,867Top Failure Suspension — 112.6%

2017High Fail Rate

46.3%

Age (yrs) 14Tests 2,065Avg Mileage 79,868Top Failure Suspension — 113.6%

2018High Fail Rate

45.7%

Age (yrs) 15Tests 1,025Avg Mileage 78,892Top Failure Suspension — 106.2%

2019High Fail Rate

47.2%

Age (yrs) 16Tests 742Avg Mileage 74,950Top Failure Suspension — 105.1%

2020High Fail Rate

51.6%

Age (yrs) 17Tests 521Avg Mileage 74,645Top Failure Suspension — 86.9%

2021High Fail Rate

52.1%

Age (yrs) 18Tests 489Avg Mileage 74,057Top Failure Suspension — 95.7%

2022High Fail Rate

47.4%

Age (yrs) 19Tests 304Avg Mileage 76,131Top Failure Suspension — 117.4%

2023High Fail Rate

50.5%

Age (yrs) 20Tests 287Avg Mileage 75,179Top Failure Suspension — 103.1%

2024High Fail Rate

57.4%

Age (yrs) 21Tests 291Avg Mileage 71,735Top Failure Suspension — 101.0%

MOT results for 2003 Mazda 323 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	72.1%	5,922	49,568	Brakes — 15.2%
2010	7	66.9%	5,783	57,049	Brakes — 18.2%
2011	8	63.1%	5,789	62,901	Brakes — 19.7%
2012	9	53.4%	5,557	68,908	Suspension — 30.6%
2013	10	48.6%	5,182	73,988	Suspension — 100.6%
2014	11	48.1%	4,566	77,288	Suspension — 106.5%
2015	12	46.4%	3,801	80,300	Suspension — 114.9%
2016	13	47.1%	2,886	80,867	Suspension — 112.6%
2017	14	46.3%	2,065	79,868	Suspension — 113.6%
2018	15	45.7%	1,025	78,892	Suspension — 106.2%
2019	16	47.2%	742	74,950	Suspension — 105.1%
2020	17	51.6%	521	74,645	Suspension — 86.9%
2021	18	52.1%	489	74,057	Suspension — 95.7%
2022	19	47.4%	304	76,131	Suspension — 117.4%
2023	20	50.5%	287	75,179	Suspension — 103.1%
2024	21	57.4%	291	71,735	Suspension — 101.0%

Common MOT Failures

Top failure categories across all test years for 2003 Mazda 323, with age trends.

Suspension

83.3%

↑ Increases with age

Brakes

51.2%

↑ Increases with age

Lamps, reflectors and electrical equipment

30.0%

↑ Increases with age

Body, chassis, structure

29.8%

— Consistent

Tyres

27.2%

↑ 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	8.1% (6 yrs)	101.0% (21 yrs)	+92.9%	🔴 ↑
Brakes	15.2% (6 yrs)	47.4% (21 yrs)	+32.2%	🔴 ↑
Tyres	10.3% (6 yrs)	24.1% (21 yrs)	+13.8%	🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mazda 323 page →

About This Data

This page shows how Mazda 323 cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2024, covering 45,210 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.