2004 Triumph Thunderbird — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

90.9%

Latest Pass Rate

1,849

Total Tests (All Years)

20,582 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 20

This car: 90.9%

Average: 56.6%

✅ 34.3% above average (6824 models compared)

How This Car Ages

Pass rate progression for the 2004 Triumph Thunderbird as it ages.

5 yrs87.8%

→ ↑2.3%

6 yrs90.1%

→ ↓1.2%

7 yrs88.9%

→ ↑0.3%

8 yrs89.2%

→ ↓1.5%

9 yrs87.7%

→ ↓0.4%

10 yrs87.3%

→ ↑3.3%

11 yrs90.6%

→ ↓3.9%

12 yrs86.7%

→ ↑0.5%

13 yrs87.2%

→ ↑6.8%

14 yrs94.0%

→ ↓5.0%

15 yrs89.0%

→ ↑1.8%

16 yrs90.8%

→ ↓2.3%

17 yrs88.5%

→ ↑5.2%

18 yrs93.7%

→ ↓4.6%

19 yrs89.1%

→ ↑1.8%

20 yrs90.9%

📊 View as table

Age	Pass Rate	Tests
5 yrs	87.8%	148
6 yrs	90.1%	141
7 yrs	88.9%	144
8 yrs	89.2%	139
9 yrs	87.7%	138
10 yrs	87.3%	142
11 yrs	90.6%	138
12 yrs	86.7%	128
13 yrs	87.2%	117
14 yrs	94.0%	84
15 yrs	89.0%	91
16 yrs	90.8%	65
17 yrs	88.5%	104
18 yrs	93.7%	79
19 yrs	89.1%	92
20 yrs	90.9%	99

Pass Rate Trend

How the 2004 Triumph Thunderbird pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (20 yrs)	90.9%	99
2023 (19 yrs)	89.1%	92
2022 (18 yrs)	93.7%	79
2021 (17 yrs)	88.5%	104
2020 (16 yrs)	90.8%	65
2019 (15 yrs)	89%	91
2018 (14 yrs)	94%	84
2017 (13 yrs)	87.2%	117
2016 (12 yrs)	86.7%	128
2015 (11 yrs)	90.6%	138
2014 (10 yrs)	87.3%	142
2013 (9 yrs)	87.7%	138
2012 (8 yrs)	89.2%	139
2011 (7 yrs)	88.9%	144
2010 (6 yrs)	90.1%	141
2009 (5 yrs)	87.8%	148

Year-by-Year MOT Results

2009

87.8%

Age (yrs) 5Tests 148Avg Mileage 9,713Top Failure Motorcycle lighting and signalling — 6.1%

2010

90.1%

Age (yrs) 6Tests 141Avg Mileage 10,875Top Failure Motorcycle brakes — 4.3%

2011

88.9%

Age (yrs) 7Tests 144Avg Mileage 11,407Top Failure Motorcycle lighting and signalling — 6.3%

2012

89.2%

Age (yrs) 8Tests 139Avg Mileage 12,446Top Failure Motorcycle lighting and signalling — 5.8%

2013

87.7%

Age (yrs) 9Tests 138Avg Mileage 13,529Top Failure Motorcycle lighting and signalling — 6.5%

2014

87.3%

Age (yrs) 10Tests 142Avg Mileage 14,002Top Failure Motorcycle brakes — 10.6%

2015

90.6%

Age (yrs) 11Tests 138Avg Mileage 15,363Top Failure Motorcycle lighting and signalling — 5.1%

2016

86.7%

Age (yrs) 12Tests 128Avg Mileage 15,769Top Failure Motorcycle lighting and signalling — 10.9%

2017

87.2%

Age (yrs) 13Tests 117Avg Mileage 17,394Top Failure Motorcycle brakes — 7.7%

2018

94.0%

Age (yrs) 14Tests 84Avg Mileage 16,900Top Failure Motorcycle lighting and signalling — 2.4%

2019

89.0%

Age (yrs) 15Tests 91Avg Mileage 18,225Top Failure Motorcycle lamps and reflectors — 6.6%

2020

90.8%

Age (yrs) 16Tests 65Avg Mileage 18,564Top Failure Motorcycle lamps and reflectors — 7.7%

2021

88.5%

Age (yrs) 17Tests 104Avg Mileage 17,690Top Failure Motorcycle lamps and reflectors — 6.7%

2022

93.7%

Age (yrs) 18Tests 79Avg Mileage 18,502Top Failure Motorcycle lamps and reflectors — 8.9%

2023

89.1%

Age (yrs) 19Tests 92Avg Mileage 19,855Top Failure Motorcycle lamps and reflectors — 10.9%

2024

90.9%

Age (yrs) 20Tests 99Avg Mileage 20,582Top Failure Motorcycle lamps and reflectors — 11.1%

MOT results for 2004 Triumph Thunderbird by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	87.8%	148	9,713	Motorcycle lighting and signalling — 6.1%
2010	6	90.1%	141	10,875	Motorcycle brakes — 4.3%
2011	7	88.9%	144	11,407	Motorcycle lighting and signalling — 6.3%
2012	8	89.2%	139	12,446	Motorcycle lighting and signalling — 5.8%
2013	9	87.7%	138	13,529	Motorcycle lighting and signalling — 6.5%
2014	10	87.3%	142	14,002	Motorcycle brakes — 10.6%
2015	11	90.6%	138	15,363	Motorcycle lighting and signalling — 5.1%
2016	12	86.7%	128	15,769	Motorcycle lighting and signalling — 10.9%
2017	13	87.2%	117	17,394	Motorcycle brakes — 7.7%
2018	14	94.0%	84	16,900	Motorcycle lighting and signalling — 2.4%
2019	15	89.0%	91	18,225	Motorcycle lamps and reflectors — 6.6%
2020	16	90.8%	65	18,564	Motorcycle lamps and reflectors — 7.7%
2021	17	88.5%	104	17,690	Motorcycle lamps and reflectors — 6.7%
2022	18	93.7%	79	18,502	Motorcycle lamps and reflectors — 8.9%
2023	19	89.1%	92	19,855	Motorcycle lamps and reflectors — 10.9%
2024	20	90.9%	99	20,582	Motorcycle lamps and reflectors — 11.1%

Common MOT Failures

Top failure categories across all test years for 2004 Triumph Thunderbird, with age trends.

Motorcycle lamps and reflectors

7.6%

↑ Increases with age

Motorcycle lighting and signalling

6.1%

↓ Decreases with age

Motorcycle brakes

4.2%

— Consistent

Motorcycle tyres and wheels

2.6%

— Consistent

Motorcycle steering and suspension

2.4%

— 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% (5 yrs)	1.0% (20 yrs)	-1.7%	⚪ —

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Triumph Thunderbird page →

About This Data

This page shows how Triumph Thunderbird cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2024, covering 1,849 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.