1999 Daihatsu Sirion — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

50.0%

Latest Pass Rate

7,453

Total Tests (All Years)

57,872 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 1999 Daihatsu Sirion as it ages.

10 yrs64.4%

→ ↓3.1%

11 yrs61.3%

→ ↓2.6%

12 yrs58.7%

→ ↓3.0%

13 yrs55.7%

→ ↓1.6%

14 yrs54.1%

→ ↓6.3%

15 yrs47.8%

→ ↑0.2%

16 yrs48.0%

→ ↓0.4%

17 yrs47.6%

→ ↑2.8%

18 yrs50.4%

→ ↑7.4%

19 yrs57.8%

→ ↓8.2%

20 yrs49.6%

→ ↓2.9%

21 yrs46.7%

→ ↓1.2%

22 yrs45.5%

→ ↑4.5%

23 yrs50.0%

→ ↑7.6%

24 yrs57.6%

→ ↓7.6%

25 yrs50.0%

📊 View as table

Age	Pass Rate	Tests
10 yrs	64.4%	1,239
11 yrs	61.3%	1,101
12 yrs	58.7%	996
13 yrs	55.7%	881
14 yrs	54.1%	767
15 yrs	47.8%	627
16 yrs	48.0%	492
17 yrs	47.6%	395
18 yrs	50.4%	278
19 yrs	57.8%	147
20 yrs	49.6%	113
21 yrs	46.7%	107
22 yrs	45.5%	101
23 yrs	50.0%	62
24 yrs	57.6%	59
25 yrs	50.0%	88

Pass Rate Trend

How the 1999 Daihatsu Sirion pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (25 yrs)	50%	88
2023 (24 yrs)	57.6%	59
2022 (23 yrs)	50%	62
2021 (22 yrs)	45.5%	101
2020 (21 yrs)	46.7%	107
2019 (20 yrs)	49.6%	113
2018 (19 yrs)	57.8%	147
2017 (18 yrs)	50.4%	278
2016 (17 yrs)	47.6%	395
2015 (16 yrs)	48%	492
2014 (15 yrs)	47.8%	627
2013 (14 yrs)	54.1%	767
2012 (13 yrs)	55.7%	881
2011 (12 yrs)	58.7%	996
2010 (11 yrs)	61.3%	1,101
2009 (10 yrs)	64.4%	1,239

Year-by-Year MOT Results

2009High Fail Rate

64.4%

Age (yrs) 10Tests 1,239Avg Mileage 52,294Top Failure Lamps, Reflectors and Electrical Equipment — 14.0%

2010High Fail Rate

61.3%

Age (yrs) 11Tests 1,101Avg Mileage 55,099Top Failure Lamps, Reflectors and Electrical Equipment — 16.3%

2011High Fail Rate

58.7%

Age (yrs) 12Tests 996Avg Mileage 57,266Top Failure Suspension — 21.5%

2012High Fail Rate

55.7%

Age (yrs) 13Tests 881Avg Mileage 58,227Top Failure Suspension — 29.2%

2013High Fail Rate

54.1%

Age (yrs) 14Tests 767Avg Mileage 60,261Top Failure Suspension — 82.9%

2014High Fail Rate

47.8%

Age (yrs) 15Tests 627Avg Mileage 60,776Top Failure Suspension — 92.5%

2015High Fail Rate

48.0%

Age (yrs) 16Tests 492Avg Mileage 64,059Top Failure Suspension — 81.7%

2016High Fail Rate

47.6%

Age (yrs) 17Tests 395Avg Mileage 62,228Top Failure Suspension — 102.0%

2017High Fail Rate

50.4%

Age (yrs) 18Tests 278Avg Mileage 62,257Top Failure Suspension — 99.6%

2018High Fail Rate

57.8%

Age (yrs) 19Tests 147Avg Mileage 59,733Top Failure Suspension — 62.6%

2019High Fail Rate

49.6%

Age (yrs) 20Tests 113Avg Mileage 58,948Top Failure Body, chassis, structure — 63.7%

2020High Fail Rate

46.7%

Age (yrs) 21Tests 107Avg Mileage 56,079Top Failure Suspension — 79.4%

2021High Fail Rate

45.5%

Age (yrs) 22Tests 101Avg Mileage 58,754Top Failure Suspension — 79.2%

2022High Fail Rate

50.0%

Age (yrs) 23Tests 62Avg Mileage 55,558Top Failure Suspension — 58.1%

2023High Fail Rate

57.6%

Age (yrs) 24Tests 59Avg Mileage 55,642Top Failure Suspension — 76.3%

2024High Fail Rate

50.0%

Age (yrs) 25Tests 88Avg Mileage 57,872Top Failure Suspension — 111.4%

MOT results for 1999 Daihatsu Sirion by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	64.4%	1,239	52,294	Lamps, Reflectors and Electrical Equipment — 14.0%
2010	11	61.3%	1,101	55,099	Lamps, Reflectors and Electrical Equipment — 16.3%
2011	12	58.7%	996	57,266	Suspension — 21.5%
2012	13	55.7%	881	58,227	Suspension — 29.2%
2013	14	54.1%	767	60,261	Suspension — 82.9%
2014	15	47.8%	627	60,776	Suspension — 92.5%
2015	16	48.0%	492	64,059	Suspension — 81.7%
2016	17	47.6%	395	62,228	Suspension — 102.0%
2017	18	50.4%	278	62,257	Suspension — 99.6%
2018	19	57.8%	147	59,733	Suspension — 62.6%
2019	20	49.6%	113	58,948	Body, chassis, structure — 63.7%
2020	21	46.7%	107	56,079	Suspension — 79.4%
2021	22	45.5%	101	58,754	Suspension — 79.2%
2022	23	50.0%	62	55,558	Suspension — 58.1%
2023	24	57.6%	59	55,642	Suspension — 76.3%
2024	25	50.0%	88	57,872	Suspension — 111.4%

Common MOT Failures

Top failure categories across all test years for 1999 Daihatsu Sirion, with age trends.

Suspension

66.1%

↑ Increases with age

Body, chassis, structure

58.0%

↓ Decreases with age

Lamps, reflectors and electrical equipment

36.3%

↑ Increases with age

Brakes

35.5%

↑ Increases with age

Noise, emissions and leaks

34.6%

↑ 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	10.2% (10 yrs)	111.4% (25 yrs)	+101.2%	🔴 ↑
Tyres	11.6% (10 yrs)	35.2% (25 yrs)	+23.6%	🔴 ↑
Brakes	14.0% (10 yrs)	30.7% (25 yrs)	+16.7%	🔴 ↑

Other Manufacture Years

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

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About This Data

This page shows how Daihatsu Sirion cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2024, covering 7,453 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.