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£11,500 (Est: £9,000 - £11,000)

1973 TRIUMPH GT6

Mathewsons • UK • 8 Oct 2025

Market Position:

Mid-Market

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£11,500 (Est: £9,000 - £11,000)

1973 TRIUMPH GT6

UK • 8 Oct 2025

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Vehicle Details

AI Listing Summary

This 1973 Triumph GT6 Mk3, modified with a larger 2500cc engine and other performance enhancements, features a high-quality respray and significant recent repairs. It comes with extensive documentation, making it an appealing option for enthusiasts despite its modifications.

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Condition 

8

The car is described as being in A1 condition for the bodywork and has had a full respray. While it is a modified version and has had some repairs, the extensive work done suggests it's been very well-maintained with minimal cosmetic imperfections.

/ 10

8,760 miles

1973

Auction

VNP 433L

United Kingdom

£11,500 (Est: £9,000 - £11,000)

1973 TRIUMPH GT6

Mathewsons • UK • 8 Oct 2025

Market Position:

Mid-Market

Track live values and receive listing alerts

Description

Make: TRIUMPH Model: GT6 Registration: VNP 433L

Engine Size (cc): 2500 Current Speedometer Reading: 8,760 Year of Manufacture: 1973 Date First Registered: 01/06/1973 MOT Expiry Date: 06/11/2025 Location: PICKERING You can view from: Wednesday 1 October 2025 - Tuesday 7 October 2025

Price Analysis vs Other GT6 Mk IIIs

£1,480

Lowest Price (Since 2020)

£11,440

Median Price (Since 2020)

£29,992

Highest Price (Since 2020)

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World Record

If this vehicle sells at the mid-point of its estimate it will set a new world record for the [enter model]

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Mid-Market

Compared to previous sales, the sale price placed this vehicle in the mid-market for the GT6 Mk III.

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Lowest Price

If this vehicle sells at the mid-point of its estimate it will be the lowest price we've seen for the [enter model]

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Average Price

Compared to historical records, the sale price placed this vehicle squarely in the mid-market for the GT6 Mk III.

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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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Icon

This vehicle is an icon of the game. Any collection would benefit from having one

Previous GT6 Mk III Sales

MOT Information

Expired

Expired on 6th Nov 2025

Latest MOT mileage:

8,760 miles

MOT History

Passed

On 7th Nov 2024, 8,760 miles


Passed

On 17th Dec 2020, 8,582 miles


Passed

On 4th May 2018, 8,531 miles


Failed

On 4th May 2018, 8,531 miles

There were 3 defects noted.

Fail:
- Front Exhaust has a major leak of exhaust gases (7.1.2)
- Nearside Direction indicators not working (1.4.A.2c)
- Windscreen washer provides insufficient washer liquid (8.2.3)

MOT Mileage Trend

Gallery

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Auction House Headquarters

Mathewsons

Pickering Road, Thornton-le-Dale, Pickering, Yorkshire, YO18 7LH

Operating from Pickering, North Yorkshire, Mathewsons is a physical auction house dealing in classic, vintage, and modern classic vehicles. They hold regular live auctions and provide vehicle consignment services.

Insurance

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