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UUM 258M

1974 Triumph Stag

Brown Petrol 3500cc
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MOT Status

Valid
Expires15 May 2027
Tests8 (7 pass, 1 fail)
Pass rate87.5%

Mileage

66,343 mi
Last recorded66,343 miles
Recorded on24 Apr 2026
Typical for 1974 Triumph Stag57,450 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

RegistrationUUM 258M
MakeTriumph
ModelStag
Year1974
ColourBrown
Fuel typePetrol
Engine3,500cc

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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

7 pass 1 fail
Pass 24 Apr 2026 66,343 miles
Pass 2 May 2025 66,330 miles
Pass 10 May 2024 66,274 miles
Pass 16 May 2023 66,168 miles
Pass 1 Mar 2021 65,817 miles
Pass 2 Oct 2019 65,657 miles
Fail 18 Sep 2019 65,649 miles

Service brake efficiency below requirements (1.2.2 (a) (i))

Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) DANGEROUS

Pass 16 Dec 2017 64,301 miles

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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UUM 258M is a 1974 Triumph Stag in Brown with a 3,500cc petrol engine. This vehicle has been through 8 MOT tests with a personal pass rate of 87.5%.

Across all 1974 Triumph Stag models, the average MOT pass rate is 78.3% with a typical mileage of 57,450 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 UUM 258M, 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 52 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 UUM 258M?

You can check the full history of UUM 258M by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was UUM 258M registered?

UUM 258M is a 1974 Triumph Stag, first registered on 27 May 1974.

Is UUM 258M safe to buy?

The MOT history for UUM 258M shows 8 tests with a 87.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does UUM 258M 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 UUM 258M. 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.