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£6,500 - £8,000

1974 TRIUMPH STAG AUTO

United Kingdom • 12 Nov 2025 • Lot 28

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Vehicle Details

AI Listing Summary

This is a 1974 Triumph Stag Auto with a 2997cc engine and a current speedometer reading of 50600. It has been recently upgraded and includes paperwork such as MOT certificates and invoices.

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Condition 

6

Recently upgraded, some reconditioning required.

/ 10

Automatic

Transmission:

[Chassis No]

Chassis No:

Odometer:

50,600 miles

GRU 172N

Reg Number:

RHD/LHD:

RHD

Make: TRIUMPHModel: STAG AUTORegistration: GRU 172NEngine Size (cc): 2997Current Speedometer Reading: 50600Year of Manufacture: 1974Date First Registered: 02/12/1974Current V5: YESLocation: PICKERINGYou can view from: Wednesday 5 November 2025 - Tuesday 11 November 2025.

Current V5 present.

Paperwork includes MOT certificates, old tax discs, some printed information, a V11 tax reminder, a parts and accessories catalogue, and invoices.
The vendor has provided the following:

Recently upgraded 1974 Triumph Stag (Original Engine)

Points of note

£250

Lowest Price (Since 2020)

£10,006

Median Price (Since 2020)

£34,875

Highest Price (Since 2020)

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World Record

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Bottom 30%

The mid-point of the vehicle's estimate places it in the bottom 30% of sold prices we've ever seen for the Triumph Stag

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Lowest Price

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Average Price

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Rare Sale

This vehicle comes to market rarely. In auction records we've only seen [enter number] sold before

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Previous Sales

Gallery

MOT Information

Invalid

Test Failed on Aug 12 2025

Latest MOT Mileage

50,508 miles

Registration Date

1974-12-02

MOT History

Failed

On Aug 12 2025 with 50,508 miles

There were 14 defects noted, with 1 deemed dangerous.

Major:
- Parking brake efficiency below requirements (1.4.2 (a) (i))
- Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))
- Nearside Rear Parking brake inoperative on one side (1.4.1 (a))
- Rear Service brake excessively fluctuating (1.2.1 (e))
- Offside Front Headlamp not working on main beam (4.1.1 (a) (ii))
- Windscreen washer not working (3.5 (a))
- Nearside Front Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced inner sill / floor / chassis (6.1.1 (c) (i))
- Offside Front Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced chassis (6.1.1 (c) (i))


Advisory:
- Nearside Front Tyre slightly damaged/cracking or perishing tread cracking (5.2.3 (d) (ii))
- Offside Front Tyre slightly damaged/cracking or perishing tread cracking (5.2.3 (d) (ii))
- Nearside Rear Wheel bearing has slight play (5.1.3 (a) (i))
- Oil leak, but not excessive engine (8.4.1 (a) (i))
- Rear Oil leak, but not excessive axle (8.4.1 (a) (i))

Passed

On May 23 2019 with 49,412 miles


Passed

On May 17 2018 with 49,214 miles


Passed

On May 30 2017 with 49,147 miles


Passed

On May 31 2016 with 48,867 miles


Passed

On May 26 2015 with 48,609 miles


Passed

On May 30 2014 with 48,233 miles


Passed

On Jul 27 2012 with 48,144 miles

There was 1 defect noted.

Advisory:
- Steering column top bearing slightly worn (2.1.2c)

Failed

On May 15 2012 with 48,127 miles

There were 7 defects noted.

Fail:
- Horn not working (1.6.2a)
- Nearside Direction indicator flashing less than 60 times a minute (1.4.A.2g)
- Hazard warning lamps not flashing in phase, with ignition on (1.4.B.1f)
- Hazard warning lamps not flashing in phase, with ignition off (1.4.B.1f)
- Nearside Rear wheel bearing has excessive play (2.6.2)


Advisory:
- Nearside Front Front wheel bearing has slight play (2.5.A.3c)
- Steering column top bearing slightly worn (2.1.2c)

Passed

On May 13 2011 with 47,810 miles


Passed

On May 17 2010 with 47,715 miles

There was 1 defect noted.

Advisory:
- Nearside Front Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Passed

On May 16 2009 with 47,595 miles

There was 1 defect noted.

Advisory:
- Nearside Rear Subframe mounting prescribed area is corroded but not considered excessive (2.4.A.3)

Passed

On May 02 2008 with 47,283 miles

There were 3 defects noted.

Advisory:
- Nearside Front Front wheel bearing has slight play (2.5.A.3c)


User Entered:
- o/s front tyre wearing on outer edge
- n/s front tyre wearing on inner edge

Passed

On May 18 2007 with 46,848 miles


Passed

On May 16 2006 with 45,443 miles

There was 1 defect noted.

Advisory:
- Nearside Front wheel bearing has slight play (2.5.A.3c)

MOT Mileage Trend

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