2003 Mazda B Series — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

55.8%

Latest Pass Rate

2,009

Total Tests (All Years)

117,969 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 B Series as it ages.

14 yrs52.1%

→ ↓8.6%

15 yrs43.5%

→ ↑8.2%

16 yrs51.7%

→ ↑2.1%

17 yrs53.8%

→ ↓2.1%

18 yrs51.7%

→ ↑3.4%

19 yrs55.1%

→ ↑0.5%

20 yrs55.6%

→ ↑0.2%

21 yrs55.8%

📊 View as table

Age	Pass Rate	Tests
14 yrs	52.1%	265
15 yrs	43.5%	161
16 yrs	51.7%	149
17 yrs	53.8%	325
18 yrs	51.7%	375
19 yrs	55.1%	276
20 yrs	55.6%	286
21 yrs	55.8%	172

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2024 (21 yrs)	55.8%	172
2023 (20 yrs)	55.6%	286
2022 (19 yrs)	55.1%	276
2021 (18 yrs)	51.7%	375
2020 (17 yrs)	53.8%	325
2019 (16 yrs)	51.7%	149
2018 (15 yrs)	43.5%	161
2017 (14 yrs)	52.1%	265

Year-by-Year MOT Results

2017High Fail Rate

52.1%

Age (yrs) 14Tests 265Avg Mileage 105,870Top Failure Suspension — 67.9%

2018High Fail Rate

43.5%

Age (yrs) 15Tests 161Avg Mileage 110,969Top Failure Brakes — 93.2%

2019High Fail Rate

51.7%

Age (yrs) 16Tests 149Avg Mileage 104,237Top Failure Brakes — 90.6%

2020High Fail Rate

53.8%

Age (yrs) 17Tests 325Avg Mileage 115,276Top Failure Lamps, reflectors and electrical equipment — 54.8%

2021High Fail Rate

51.7%

Age (yrs) 18Tests 375Avg Mileage 115,887Top Failure Lamps, reflectors and electrical equipment — 70.7%

2022High Fail Rate

55.1%

Age (yrs) 19Tests 276Avg Mileage 121,190Top Failure Brakes — 69.9%

2023High Fail Rate

55.6%

Age (yrs) 20Tests 286Avg Mileage 120,209Top Failure Brakes — 69.9%

2024High Fail Rate

55.8%

Age (yrs) 21Tests 172Avg Mileage 117,969Top Failure Suspension — 57.0%

MOT results for 2003 Mazda B Series by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2017	14	52.1%	265	105,870	Suspension — 67.9%
2018	15	43.5%	161	110,969	Brakes — 93.2%
2019	16	51.7%	149	104,237	Brakes — 90.6%
2020	17	53.8%	325	115,276	Lamps, reflectors and electrical equipment — 54.8%
2021	18	51.7%	375	115,887	Lamps, reflectors and electrical equipment — 70.7%
2022	19	55.1%	276	121,190	Brakes — 69.9%
2023	20	55.6%	286	120,209	Brakes — 69.9%
2024	21	55.8%	172	117,969	Suspension — 57.0%

Common MOT Failures

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

Brakes

69.9%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

58.9%

— Consistent

Suspension

57.9%

↓ Decreases with age

Lamps, reflectors and electrical equipment

55.7%

↑ Increases with age

Body, chassis, structure

52.5%

↑ 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	67.9% (14 yrs)	57.0% (21 yrs)	-10.9%	🟢 ↓
Tyres	27.9% (14 yrs)	33.1% (21 yrs)	+5.2%	🔴 ↑
Brakes	58.5% (14 yrs)	54.1% (21 yrs)	-4.4%	🟢 ↓

Other Manufacture Years

1998 1999 2000 2001 2002 2003 2004 2005 2006

← Back to Mazda B Series overview

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

About This Data

This page shows how Mazda B Series cars manufactured in 2003 perform at MOT as they age. Data spans from 2017 to 2024, covering 2,009 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.