DVSA Statistics
2004 Triumph Thunderbird
MOT Pass Rate & Pre-MOT Checklist
Used 2004 Triumph Thunderbirds usually pass their MOT, but around 3% still fail, most often for a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps, a wheel excessively corroded, damaged or distorted and a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning. Based on 93 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 93 DVSA anonymised MOT tests · About this data
Pass Rate
96.8%
Higher than average
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Indicator bulbs are quick and cheap to replace.
Based on DVSA statistics from 93 recorded tests.
Pre-MOT Checklist for 2004 Triumph Thunderbird
Based on common failure points for this model, check these items before your MOT:
- 1
Test all indicators flash at the correct rate - check front, rear, and side repeaters
Lighting – Common fail on this model
- 2
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
How Does This Compare to Other Years?
See how this 2004 model compares to the previous model year.
Why Trust This Data?
Official UK Government Source
This data comes from the UK's Driver and Vehicle Standards Agency (DVSA), the official body responsible for MOT testing standards. The anonymised MOT test data is published via data.gov.uk.
Understanding the Statistics
This page is based on 93 MOT tests from the 2023 DVSA dataset. Your 2004 Triumph Thunderbird was 19 years old when this data was collected and is now 22 years old.
Sample Size
Moderate confidence - 93 tests (interpret with caution)
Limitations
Statistics reflect average outcomes and don't account for maintenance history, mileage, or regional variations. Individual results will vary based on how well a vehicle has been maintained.
Do you own this car?
Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact Triumph Thunderbird.
Frequently Asked Questions
Is a 2004 Triumph Thunderbird likely to fail its MOT?
Based on DVSA statistics, the 2004 Triumph Thunderbird has a 96.8% MOT pass rate. This is above average, indicating good reliability for a vehicle of this age.
What are the most common MOT failures on a 2004 Triumph Thunderbird?
The most common MOT failure reasons for a 2004 Triumph Thunderbird are: a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps, a wheel excessively corroded, damaged or distorted, a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 2004 Triumph Thunderbird fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps, a wheel excessively corroded, damaged or distorted, a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 2004 Triumph Thunderbirds fail their MOT?
Around 3% of 2004 Triumph Thunderbirds fail their MOT test. The most common reasons are a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps and a wheel excessively corroded, damaged or distorted. Pre-checking these items can significantly improve your chances.
What should I check before my 2004 Triumph Thunderbird MOT?
Before your 2004 Triumph Thunderbird MOT, check these commonly-failed items: a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps, a wheel excessively corroded, damaged or distorted, a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning. Most are visual checks you can do at home – look for worn tyres, test all lights work, and check for obvious damage or leaks.
Is the 2004 Triumph Thunderbird reliable for MOT?
With a 96.8% MOT pass rate, the 2004 Triumph Thunderbird performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.