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M4 BYK

2003 Triumph Thunderbird

Red Petrol 885cc
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MOT Status

Valid
Expires24 Mar 2027
Tests19 (19 pass, 0 fail)
Pass rate100%

Mileage

14,961 mi
Last recorded14,961 miles
Recorded on25 Mar 2026
Typical for 2003 Triumph Thunderbird12,173 mi

Above average mileage for this year

4 checks still locked for this Triumph
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationM4 BYK
MakeTriumph
ModelThunderbird
Year2003
ColourRed
Fuel typePetrol
Engine885cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

19 pass
Pass 25 Mar 2026 14,961 miles
Pass 21 Mar 2025 14,750 miles
Pass 27 Oct 2023 14,206 miles
Pass 21 Oct 2022 13,538 miles
Pass 30 Oct 2021 12,953 miles
Pass 28 Oct 2020 12,078 miles
Pass 18 Apr 2019 10,845 miles
Pass 27 Apr 2018 10,310 miles
Pass 22 Apr 2017 10,126 miles
Pass 5 Sep 2015 9,972 miles
Pass 18 Aug 2014 9,636 miles
Pass 10 Sep 2013 9,524 miles
Pass 7 Sep 2012 8,996 miles
Pass 1 Sep 2011 8,543 miles
Pass 11 Sep 2010 8,017 miles
Pass 11 Jul 2009 7,111 miles
Pass 12 Jul 2008 6,242 miles
Pass 14 Jul 2007 5,009 miles
Pass 10 Jun 2006 4,097 miles

How Reliable is the Triumph Thunderbird?

Based on 66,789 MOT tests across 6,108 vehicles.

89.1%
Pass Rate
540
Miles/Year
31
Year Lifespan
6,108
On UK Roads

Top MOT Failure Points

Tyre tread depth is below minimum requirements of 1.0mm 473
shock absorber seal failed and leaking oil 371
Stop lamp does not illuminate immediately a brake applies 285
Brake pad(s) less than 1.5 mm thick 249
Roller brake test indicates a binding brake 173
Full Triumph Thunderbird reliability report

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M4 BYK is a 2003 Triumph Thunderbird in Red with a 885cc petrol engine. This vehicle has been through 19 MOT tests with a personal pass rate of 100%.

Across all 2003 Triumph Thunderbird models, the average MOT pass rate is 90.5% with a typical mileage of 12,173 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Triumph Thunderbird fails its MOT is tyre tread depth is below minimum requirements of 1.0mm, accounting for 473 recorded failures. If you're considering buying M4 BYK, it's worth having these areas checked by a mechanic before committing.

The Triumph Thunderbird typically stays on UK roads for around 31 years. At 23 years old, this Triumph Thunderbird is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of M4 BYK?

You can check the full history of M4 BYK by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was M4 BYK registered?

M4 BYK is a 2003 Triumph Thunderbird, first registered on 7 June 2003.

Is M4 BYK safe to buy?

The MOT history for M4 BYK shows 19 tests with a 100% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does M4 BYK have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on M4 BYK. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.