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RUK 950R

1977 Triumph Stag Auto

Green Petrol 2997cc
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MOT Status

Valid
Expires29 Apr 2027
Tests17 (13 pass, 4 fail)
Pass rate76.5%

Mileage

27,048 mi
Last recorded27,048 miles
Recorded on30 Apr 2026
Typical for 1977 Triumph Stag Auto60,392 mi

Below or average mileage for this year

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

RegistrationRUK 950R
MakeTriumph
ModelStag Auto
Year1977
ColourGreen
Fuel typePetrol
Engine2,997cc
View full Triumph Stag Auto reliability data

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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

13 pass 4 fail
Pass 30 Apr 2026 27,048 miles

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

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside Rear Sub-frame pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

Pass 22 Apr 2025 26,570 miles

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

Pass 21 May 2019 22,427 miles

Play in steering rack inner joint(s) ()

Fail 21 May 2019 22,427 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Play in steering rack inner joint(s) ()

Pass 29 May 2018 22,390 miles

Nearside Track rod end ball joint has slight play (2.1.3 (b) (i))

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

Fail 29 May 2018 22,390 miles

Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b))

Nearside Track rod end ball joint has slight play (2.1.3 (b) (i))

Offside Headlamp not working on main beam (4.1.1 (a) (ii))

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

Pass 31 Mar 2014 22,347 miles

Offside Front Seat belt damaged but webbing not significantly weakened (5.2.2a)

Oil leak

Power steering component(s) has slight seepage from a seal (2.3.3b)

Pass 26 Mar 2013 22,303 miles

Offside rear brake juddering slightly (3.7.A.5b)

Oil leak

Fail 25 Mar 2013 22,303 miles

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

Nearside Lower Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt (2.4.G.2)

Offside Lower Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt (2.4.G.2)

Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt (2.2.C.1c)

Offside rear brake juddering slightly (3.7.A.5b)

Oil leak

Pass 27 Mar 2012 22,168 miles

Nearside Front Lower Suspension arm ball joint dust cover deteriorated, but preventing the ingress of dirt (2.4.G.2)

Offside Track rod end ball joint dust cover deteriorated, but preventing the ingress of dirt (2.2.C.1c)

Oil leak

slight corrosion on rear chassis

Pass 22 Mar 2011 21,936 miles

Centre Exhaust has a minor leak of exhaust gases (7.1.2)

Offside Front Seat belt damaged but webbing not significantly weakened (5.2.2a)

Oil leak

Pass 22 Mar 2010 21,805 miles

Front brake disc slightly pitted (3.5.1h)

Offside Front Seat belt damaged but not affecting the operation of the belt (5.2.2a)

Oil leak

Pass 20 Mar 2009 21,703 miles

Offside Seat belt damaged but not affecting the operation of the belt (5.2.2a)

Offside rear brake juddering slightly (3.7.A.5b)

Pass 25 Mar 2008 21,572 miles

Offside rear brake juddering slightly (3.7.A.5b)

rear axle support frame corroding

Pass 4 Apr 2007 21,435 miles
Fail 4 Apr 2007 21,435 miles

Fuel pipe leaking (7.2.3)

Offside Inner Rear Drive shaft uj which forms part of the suspension has a loose flange bolt (2.4.G.4c)

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

fuel cap rubber starting to perish

Pass 23 Mar 2006 21,336 miles

How Reliable is the Triumph Stag Auto?

Based on 21,225 MOT tests across 2,079 vehicles.

76.9%
Pass Rate
397
Miles/Year
55
Year Lifespan
2,079
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 740
Parking brake: efficiency below requirements 550
Suspension component mounting prescribed area is excessively corroded 491
brake binding 442
Exhaust emissions carbon monoxide content excessive 440
Full Triumph Stag Auto reliability report

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RUK 950R is a 1977 Triumph Stag Auto in Green with a 2,997cc petrol engine. This vehicle has been through 17 MOT tests with a personal pass rate of 76.5%.

Across all 1977 Triumph Stag Auto models, the average MOT pass rate is 76.9% with a typical mileage of 60,392 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Triumph Stag Auto fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 740 recorded failures. If you're considering buying RUK 950R, it's worth having these areas checked by a mechanic before committing.

The Triumph Stag Auto typically stays on UK roads for around 55 years. At 49 years old, this Triumph Stag Auto is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of RUK 950R?

You can check the full history of RUK 950R by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was RUK 950R registered?

RUK 950R is a 1977 Triumph Stag Auto, first registered on 16 May 1977.

Is RUK 950R safe to buy?

The MOT history for RUK 950R shows 17 tests with a 76.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does RUK 950R 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 RUK 950R. 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.