1998 Daihatsu Sirion — MOT History by Age

How cars manufactured in 1998 perform at MOT as they age

28 years

Current Age

43.2%

Latest Pass Rate

3,941

Total Tests (All Years)

61,010 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 1998 Daihatsu Sirion as it ages.

11 yrs60.5%

→ ↓4.6%

12 yrs55.9%

→ ↑0.2%

13 yrs56.1%

→ ↓6.5%

14 yrs49.6%

→ ↓2.1%

15 yrs47.5%

→ ↓7.6%

16 yrs39.9%

→ ↑6.5%

17 yrs46.4%

→ ↑1.4%

18 yrs47.8%

→ ↑4.7%

19 yrs52.5%

→ ↓0.3%

20 yrs52.2%

→ ↑4.1%

21 yrs56.3%

→ ↓5.1%

22 yrs51.2%

→ ↑0.2%

23 yrs51.4%

→ ↓8.2%

26 yrs43.2%

📊 View as table

Age	Pass Rate	Tests
11 yrs	60.5%	742
12 yrs	55.9%	658
13 yrs	56.1%	588
14 yrs	49.6%	486
15 yrs	47.5%	394
16 yrs	39.9%	306
17 yrs	46.4%	233
18 yrs	47.8%	180
19 yrs	52.5%	122
20 yrs	52.2%	67
21 yrs	56.3%	48
22 yrs	51.2%	43
23 yrs	51.4%	37
26 yrs	43.2%	37

Pass Rate Trend

How the 1998 Daihatsu Sirion pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (26 yrs)	43.2%	37
2021 (23 yrs)	51.4%	37
2020 (22 yrs)	51.2%	43
2019 (21 yrs)	56.3%	48
2018 (20 yrs)	52.2%	67
2017 (19 yrs)	52.5%	122
2016 (18 yrs)	47.8%	180
2015 (17 yrs)	46.4%	233
2014 (16 yrs)	39.9%	306
2013 (15 yrs)	47.5%	394
2012 (14 yrs)	49.6%	486
2011 (13 yrs)	56.1%	588
2010 (12 yrs)	55.9%	658
2009 (11 yrs)	60.5%	742

Year-by-Year MOT Results

2009High Fail Rate

60.5%

Age (yrs) 11Tests 742Avg Mileage 55,782Top Failure Lamps, Reflectors and Electrical Equipment — 16.4%

2010High Fail Rate

55.9%

Age (yrs) 12Tests 658Avg Mileage 57,181Top Failure Suspension — 22.2%

2011High Fail Rate

56.1%

Age (yrs) 13Tests 588Avg Mileage 60,070Top Failure Suspension — 24.3%

2012High Fail Rate

49.6%

Age (yrs) 14Tests 486Avg Mileage 61,245Top Failure Suspension — 33.3%

2013High Fail Rate

47.5%

Age (yrs) 15Tests 394Avg Mileage 61,099Top Failure Suspension — 87.1%

2014High Fail Rate

39.9%

Age (yrs) 16Tests 306Avg Mileage 61,021Top Failure Suspension — 107.2%

2015High Fail Rate

46.4%

Age (yrs) 17Tests 233Avg Mileage 61,470Top Failure Suspension — 107.3%

2016High Fail Rate

47.8%

Age (yrs) 18Tests 180Avg Mileage 62,229Top Failure Suspension — 101.1%

2017High Fail Rate

52.5%

Age (yrs) 19Tests 122Avg Mileage 54,646Top Failure Suspension — 86.1%

2018High Fail Rate

52.2%

Age (yrs) 20Tests 67Avg Mileage 51,796Top Failure Suspension — 98.5%

2019High Fail Rate

56.3%

Age (yrs) 21Tests 48Avg Mileage 56,710Top Failure Suspension — 83.3%

2020High Fail Rate

51.2%

Age (yrs) 22Tests 43Avg Mileage 59,281Top Failure Suspension — 58.1%

2021High Fail Rate

51.4%

Age (yrs) 23Tests 37Avg Mileage 53,079Top Failure Suspension — 75.7%

2024High Fail Rate

43.2%

Age (yrs) 26Tests 37Avg Mileage 61,010Top Failure Suspension — 118.9%

MOT results for 1998 Daihatsu Sirion by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	11	60.5%	742	55,782	Lamps, Reflectors and Electrical Equipment — 16.4%
2010	12	55.9%	658	57,181	Suspension — 22.2%
2011	13	56.1%	588	60,070	Suspension — 24.3%
2012	14	49.6%	486	61,245	Suspension — 33.3%
2013	15	47.5%	394	61,099	Suspension — 87.1%
2014	16	39.9%	306	61,021	Suspension — 107.2%
2015	17	46.4%	233	61,470	Suspension — 107.3%
2016	18	47.8%	180	62,229	Suspension — 101.1%
2017	19	52.5%	122	54,646	Suspension — 86.1%
2018	20	52.2%	67	51,796	Suspension — 98.5%
2019	21	56.3%	48	56,710	Suspension — 83.3%
2020	22	51.2%	43	59,281	Suspension — 58.1%
2021	23	51.4%	37	53,079	Suspension — 75.7%
2024	26	43.2%	37	61,010	Suspension — 118.9%

Common MOT Failures

Top failure categories across all test years for 1998 Daihatsu Sirion, with age trends.

Suspension

72.7%

↑ Increases with age

Body, chassis, structure

48.9%

↑ Increases with age

Brakes

31.4%

↑ Increases with age

Noise, emissions and leaks

29.4%

↑ Increases with age

Tyres

24.9%

↑ 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	14.7% (11 yrs)	118.9% (26 yrs)	+104.2%	🔴 ↑
Tyres	11.9% (11 yrs)	29.7% (26 yrs)	+17.8%	🔴 ↑
Brakes	16.0% (11 yrs)	27.0% (26 yrs)	+11.0%	🔴 ↑

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 1998 perform at MOT as they age. Data spans from 2009 to 2024, covering 3,941 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.