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GMU 104N

1975 Triumph Stag

Yellow Petrol 3000cc
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MOT Status

Valid
Expires20 Mar 2027
Tests11 (10 pass, 1 fail)
Pass rate90.9%

Mileage

86,026 mi
Last recorded86,026 miles
Recorded on6 Mar 2026
Typical for 1975 Triumph Stag54,677 mi

Significantly above average — investigate

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

RegistrationGMU 104N
MakeTriumph
ModelStag
Year1975
ColourYellow
Fuel typePetrol
Engine3,000cc

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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

10 pass 1 fail
Pass 6 Mar 2026 86,026 miles
Pass 21 Mar 2025 85,436 miles
Pass 6 Jun 2023 85,371 miles
Pass 20 Jan 2022 84,891 miles
Pass 13 May 2020 84,505 miles
Pass 7 Sep 2017 83,719 miles
Pass 31 Aug 2016 82,241 miles
Pass 27 Oct 2015 82,181 miles
Pass 26 Aug 2014 81,539 miles
Pass 20 Sep 2013 80,566 miles

n/s/f and o/s/f lower arm tie bar bush movement

Fail 19 Sep 2013 80,560 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

n/s/f and o/s/f lower arm tie bar bush movement

How Reliable is the Triumph Stag?

Based on 64,590 MOT tests across 6,070 vehicles.

77.5%
Pass Rate
417
Miles/Year
56
Year Lifespan
6,070
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 2,039
Parking brake: efficiency below requirements 1,744
Suspension component mounting prescribed area is excessively corroded 1,507
Stop lamp not working 1,283
brake binding 1,269
Full Triumph Stag reliability report

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GMU 104N is a 1975 Triumph Stag in Yellow with a 3,000cc petrol engine. This vehicle has been through 11 MOT tests with a personal pass rate of 90.9%.

Across all 1975 Triumph Stag models, the average MOT pass rate is 76.4% with a typical mileage of 54,677 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Triumph Stag fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 2,039 recorded failures. If you're considering buying GMU 104N, it's worth having these areas checked by a mechanic before committing.

The Triumph Stag typically stays on UK roads for around 56 years. At 51 years old, this Triumph Stag is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of GMU 104N?

You can check the full history of GMU 104N by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was GMU 104N registered?

GMU 104N is a 1975 Triumph Stag, first registered on 16 January 1975.

Is GMU 104N safe to buy?

The MOT history for GMU 104N shows 11 tests with a 90.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does GMU 104N 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 GMU 104N. 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.