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UEH 378L

1973 Triumph Stag

Brown Petrol 2997cc
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MOT Status

Valid
Expires6 Jul 2027
Tests10 (9 pass, 1 fail)
Pass rate90%

Mileage

75,425 mi
Last recorded75,425 miles
Recorded on7 Jul 2026
Typical for 1973 Triumph Stag53,671 mi

Significantly above average — investigate

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

RegistrationUEH 378L
MakeTriumph
ModelStag
Year1973
ColourBrown
Fuel typePetrol
Engine2,997cc

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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

9 pass 1 fail
Pass 7 Jul 2026 75,425 miles
Fail 18 Jun 2026 75,367 miles

Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii))

Fluid leak, but not excessive coolant (8.4.1 (a) (i))

Lower Oil leak, but not excessive (8.4.1 (a) (i))

Pass 9 Apr 2025 74,597 miles
Pass 13 Jun 2018 72,641 miles
Pass 12 Jun 2017 72,204 miles
Pass 6 Jun 2016 71,216 miles
Pass 10 Jun 2015 70,432 miles

Slight cracking on power steering pipe.

Pass 12 Jun 2014 69,306 miles

Offside Front wheel bearing has slight play (2.5.A.3c)

Offside Rear wheel bearing has slight play (2.6.2)

Upper Steering column universal joint has slight play (2.1.5)

offside carb return pipe deteriorated

slight low effort on offside handbrake

Pass 17 Apr 2013 69,403 miles
Pass 2 Dec 2011 68,960 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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UEH 378L is a 1973 Triumph Stag in Brown with a 2,997cc petrol engine. This vehicle has been through 10 MOT tests with a personal pass rate of 90%.

Across all 1973 Triumph Stag models, the average MOT pass rate is 77.9% with a typical mileage of 53,671 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 UEH 378L, 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 53 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 UEH 378L?

You can check the full history of UEH 378L by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was UEH 378L registered?

UEH 378L is a 1973 Triumph Stag, first registered on 1 February 1973.

Is UEH 378L safe to buy?

The MOT history for UEH 378L shows 10 tests with a 90% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does UEH 378L 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 UEH 378L. 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.