2003 Daihatsu Sirion — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

56.3%

Latest Pass Rate

6,543

Total Tests (All Years)

72,262 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 Daihatsu Sirion as it ages.

6 yrs76.3%

→ ↑1.0%

7 yrs77.3%

→ ↓3.6%

8 yrs73.7%

→ ↑0.9%

9 yrs74.6%

→ ↓5.0%

10 yrs69.6%

→ ↓1.4%

11 yrs68.2%

→ ↓2.4%

12 yrs65.8%

→ ↑0.7%

13 yrs66.5%

→ ↓0.9%

14 yrs65.6%

→ ↓7.6%

15 yrs58.0%

→ ↑1.4%

16 yrs59.4%

→ ↑0.5%

17 yrs59.9%

→ ↓1.4%

18 yrs58.5%

→ ↑1.5%

19 yrs60.0%

→ ↑1.5%

20 yrs61.5%

→ ↓5.2%

21 yrs56.3%

📊 View as table

Age	Pass Rate	Tests
6 yrs	76.3%	668
7 yrs	77.3%	661
8 yrs	73.7%	655
9 yrs	74.6%	639
10 yrs	69.6%	621
11 yrs	68.2%	575
12 yrs	65.8%	526
13 yrs	66.5%	484
14 yrs	65.6%	427
15 yrs	58.0%	250
16 yrs	59.4%	229
17 yrs	59.9%	182
18 yrs	58.5%	195
19 yrs	60.0%	140
20 yrs	61.5%	156
21 yrs	56.3%	135

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2024 (21 yrs)	56.3%	135
2023 (20 yrs)	61.5%	156
2022 (19 yrs)	60%	140
2021 (18 yrs)	58.5%	195
2020 (17 yrs)	59.9%	182
2019 (16 yrs)	59.4%	229
2018 (15 yrs)	58%	250
2017 (14 yrs)	65.6%	427
2016 (13 yrs)	66.5%	484
2015 (12 yrs)	65.8%	526
2014 (11 yrs)	68.2%	575
2013 (10 yrs)	69.6%	621
2012 (9 yrs)	74.6%	639
2011 (8 yrs)	73.7%	655
2010 (7 yrs)	77.3%	661
2009 (6 yrs)	76.3%	668

Year-by-Year MOT Results

2009

76.3%

Age (yrs) 6Tests 668Avg Mileage 36,575Top Failure Tyres — 8.5%

2010

77.3%

Age (yrs) 7Tests 661Avg Mileage 42,277Top Failure Brakes — 8.2%

2011

73.7%

Age (yrs) 8Tests 655Avg Mileage 46,273Top Failure Lamps, Reflectors and Electrical Equipment — 11.5%

2012

74.6%

Age (yrs) 9Tests 639Avg Mileage 51,236Top Failure Brakes — 10.8%

2013

69.6%

Age (yrs) 10Tests 621Avg Mileage 55,124Top Failure Brakes — 25.8%

2014

68.2%

Age (yrs) 11Tests 575Avg Mileage 57,653Top Failure Lamps, Reflectors and Electrical Equipment — 28.2%

2015

65.8%

Age (yrs) 12Tests 526Avg Mileage 60,896Top Failure Brakes — 32.9%

2016

66.5%

Age (yrs) 13Tests 484Avg Mileage 63,465Top Failure Brakes — 28.9%

2017

65.6%

Age (yrs) 14Tests 427Avg Mileage 65,561Top Failure Suspension — 32.8%

2018High Fail Rate

58.0%

Age (yrs) 15Tests 250Avg Mileage 67,403Top Failure Suspension — 42.8%

2019High Fail Rate

59.4%

Age (yrs) 16Tests 229Avg Mileage 70,007Top Failure Suspension — 48.0%

2020High Fail Rate

59.9%

Age (yrs) 17Tests 182Avg Mileage 67,341Top Failure Lamps, reflectors and electrical equipment — 44.5%

2021High Fail Rate

58.5%

Age (yrs) 18Tests 195Avg Mileage 65,132Top Failure Suspension — 55.9%

2022High Fail Rate

60.0%

Age (yrs) 19Tests 140Avg Mileage 67,155Top Failure Suspension — 47.9%

2023High Fail Rate

61.5%

Age (yrs) 20Tests 156Avg Mileage 68,778Top Failure Lamps, reflectors and electrical equipment — 48.7%

2024High Fail Rate

56.3%

Age (yrs) 21Tests 135Avg Mileage 72,262Top Failure Suspension — 80.7%

MOT results for 2003 Daihatsu Sirion by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	76.3%	668	36,575	Tyres — 8.5%
2010	7	77.3%	661	42,277	Brakes — 8.2%
2011	8	73.7%	655	46,273	Lamps, Reflectors and Electrical Equipment — 11.5%
2012	9	74.6%	639	51,236	Brakes — 10.8%
2013	10	69.6%	621	55,124	Brakes — 25.8%
2014	11	68.2%	575	57,653	Lamps, Reflectors and Electrical Equipment — 28.2%
2015	12	65.8%	526	60,896	Brakes — 32.9%
2016	13	66.5%	484	63,465	Brakes — 28.9%
2017	14	65.6%	427	65,561	Suspension — 32.8%
2018	15	58.0%	250	67,403	Suspension — 42.8%
2019	16	59.4%	229	70,007	Suspension — 48.0%
2020	17	59.9%	182	67,341	Lamps, reflectors and electrical equipment — 44.5%
2021	18	58.5%	195	65,132	Suspension — 55.9%
2022	19	60.0%	140	67,155	Suspension — 47.9%
2023	20	61.5%	156	68,778	Lamps, reflectors and electrical equipment — 48.7%
2024	21	56.3%	135	72,262	Suspension — 80.7%

Common MOT Failures

Top failure categories across all test years for 2003 Daihatsu Sirion, with age trends.

Lamps, reflectors and electrical equipment

38.9%

↑ Increases with age

Suspension

37.6%

↑ Increases with age

Brakes

28.0%

↑ Increases with age

Body, chassis, structure

25.6%

↓ Decreases with age

Noise, emissions and leaks

24.4%

↑ 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
Brakes	7.6% (6 yrs)	41.5% (21 yrs)	+33.9%	🔴 ↑
Tyres	8.5% (6 yrs)	28.9% (21 yrs)	+20.4%	🔴 ↑

Other Manufacture Years

1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010

← Back to Daihatsu Sirion overview

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About This Data

This page shows how Daihatsu Sirion cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2024, covering 6,543 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.