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WHJ 138M

1974 Triumph Stag

Yellow Petrol 2997cc
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MOT Status

Valid
Expires1 Jun 2027
Tests12 (10 pass, 2 fail)
Pass rate83.3%

Mileage

81,807 mi
Last recorded81,807 miles
Recorded on29 May 2026
Typical for 1974 Triumph Stag57,450 mi

Significantly above average — investigate

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

RegistrationWHJ 138M
MakeTriumph
ModelStag
Year1974
ColourYellow
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

10 pass 2 fail
Pass 29 May 2026 81,807 miles
Pass 2 Jun 2025 78,819 miles

Nearside Front Seat belt webbing slightly damaged or frayed (7.1.2 (b))

Nearside Front Service brake binding but not excessively (1.2.1 (f))

Nearside Rear Service brake fluctuating, but not excessively (1.2.1 (e))

Nearside Rear Wheel bearing slightly noisy (5.1.3 (b) (i))

Offside Front Seat belt webbing slightly damaged or frayed (7.1.2 (b))

Pass 20 May 2024 75,594 miles

Nearside Front Seat belt webbing slightly damaged or frayed (7.1.2 (b) (ii))

Nearside Rear Service brake binding but not excessively (1.2.1 (f))

Rear Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Rear Oil leak, but not excessive differential (8.4.1 (a) (i))

Fail 20 May 2024 75,594 miles

Nearside Front Seat belt webbing slightly damaged or frayed (7.1.2 (b) (ii))

Nearside Headlamp aim too high (4.1.2 (a))

Nearside Rear Service brake binding but not excessively (1.2.1 (f))

Offside Headlamp aim too high (4.1.2 (a))

Rear Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Rear Oil leak, but not excessive differential (8.4.1 (a) (i))

Pass 31 May 2023 70,939 miles

Exhaust has a minor leak of exhaust gases Rear section (6.1.2 (a))

Front brake discs corroded

Offside Rear Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

Pass 8 Nov 2021 69,058 miles
Pass 15 Jul 2015 68,726 miles

Oil leak

Pass 1 Sep 2011 66,416 miles
Pass 16 Jul 2009 65,493 miles
Pass 20 May 2008 65,147 miles
Pass 16 Mar 2007 61,225 miles
Fail 9 Mar 2007 61,214 miles

Nearside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a)

Nearside Steering rack gaiter split (2.2.D.2d)

Offside outer track rod end joint cover split/missing

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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WHJ 138M is a 1974 Triumph Stag in Yellow with a 2,997cc petrol engine. This vehicle has been through 12 MOT tests with a personal pass rate of 83.3%.

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 WHJ 138M, 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 WHJ 138M?

You can check the full history of WHJ 138M by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was WHJ 138M registered?

WHJ 138M is a 1974 Triumph Stag, first registered on 5 March 1974.

Is WHJ 138M safe to buy?

The MOT history for WHJ 138M shows 12 tests with a 83.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does WHJ 138M 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 WHJ 138M. 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.