1999 Ducati St4 — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

83.9%

Latest Pass Rate

585

Total Tests (All Years)

28,800 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 20

This car: 83.9%

Average: 56.6%

✅ 27.3% above average (6824 models compared)

How This Car Ages

Pass rate progression for the 1999 Ducati St4 as it ages.

10 yrs86.5%

→ ↓5.2%

11 yrs81.3%

→ ↓2.8%

12 yrs78.5%

→ ↑4.8%

13 yrs83.3%

→ ↓4.8%

14 yrs78.5%

→ ↑5.7%

15 yrs84.2%

→ ↑2.8%

16 yrs87.0%

→ ↓9.6%

17 yrs77.4%

→ ↓1.8%

18 yrs75.6%

→ ↑8.3%

20 yrs83.9%

📊 View as table

Age	Pass Rate	Tests
10 yrs	86.5%	74
11 yrs	81.3%	75
12 yrs	78.5%	65
13 yrs	83.3%	66
14 yrs	78.5%	65
15 yrs	84.2%	57
16 yrs	87.0%	54
17 yrs	77.4%	53
18 yrs	75.6%	45
20 yrs	83.9%	31

Pass Rate Trend

How the 1999 Ducati St4 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2019 (20 yrs)	83.9%	31
2017 (18 yrs)	75.6%	45
2016 (17 yrs)	77.4%	53
2015 (16 yrs)	87%	54
2014 (15 yrs)	84.2%	57
2013 (14 yrs)	78.5%	65
2012 (13 yrs)	83.3%	66
2011 (12 yrs)	78.5%	65
2010 (11 yrs)	81.3%	75
2009 (10 yrs)	86.5%	74

Year-by-Year MOT Results

2009

86.5%

Age (yrs) 10Tests 74Avg Mileage 19,331Top Failure Motorcycle lighting and signalling — 9.5%

2010

81.3%

Age (yrs) 11Tests 75Avg Mileage 21,064Top Failure Motorcycle lighting and signalling — 9.3%

2011

78.5%

Age (yrs) 12Tests 65Avg Mileage 22,400Top Failure Motorcycle steering and suspension — 12.3%

2012

83.3%

Age (yrs) 13Tests 66Avg Mileage 22,564Top Failure Motorcycle brakes — 10.6%

2013

78.5%

Age (yrs) 14Tests 65Avg Mileage 23,433Top Failure Motorcycle lighting and signalling — 16.9%

2014

84.2%

Age (yrs) 15Tests 57Avg Mileage 23,788Top Failure Motorcycle steering and suspension — 5.3%

2015

87.0%

Age (yrs) 16Tests 54Avg Mileage 23,416Top Failure Motorcycle steering and suspension — 11.1%

2016

77.4%

Age (yrs) 17Tests 53Avg Mileage 25,440Top Failure Motorcycle brakes — 17.0%

2017

75.6%

Age (yrs) 18Tests 45Avg Mileage 25,908Top Failure Motorcycle lighting and signalling — 20.0%

2019

83.9%

Age (yrs) 20Tests 31Avg Mileage 28,800Top Failure Motorcycle structure and attachments — 12.9%

MOT results for 1999 Ducati St4 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	86.5%	74	19,331	Motorcycle lighting and signalling — 9.5%
2010	11	81.3%	75	21,064	Motorcycle lighting and signalling — 9.3%
2011	12	78.5%	65	22,400	Motorcycle steering and suspension — 12.3%
2012	13	83.3%	66	22,564	Motorcycle brakes — 10.6%
2013	14	78.5%	65	23,433	Motorcycle lighting and signalling — 16.9%
2014	15	84.2%	57	23,788	Motorcycle steering and suspension — 5.3%
2015	16	87.0%	54	23,416	Motorcycle steering and suspension — 11.1%
2016	17	77.4%	53	25,440	Motorcycle brakes — 17.0%
2017	18	75.6%	45	25,908	Motorcycle lighting and signalling — 20.0%
2019	20	83.9%	31	28,800	Motorcycle structure and attachments — 12.9%

Common MOT Failures

Top failure categories across all test years for 1999 Ducati St4, with age trends.

Motorcycle structure and attachments

12.9%

— Consistent

Motorcycle lighting and signalling

11.5%

↑ Increases with age

Motorcycle steering and suspension

9.2%

↑ Increases with age

Motorcycle brakes

7.0%

— Consistent

Motorcycle tyres and wheels

4.7%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Motorcycle brakes	2.7% (10 yrs)	3.2% (20 yrs)	+0.5%	⚪ —

Other Manufacture Years

1999 2000 2001 2002

← Back to Ducati St4 overview

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About This Data

This page shows how Ducati St4 cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2019, covering 585 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.