We are thrilled to announce the arrival of a charming 1972 Triumph GT6 MK3 at The Forge. Despite needing minor cosmetic touch-ups, this car has received key investments that make it one of the best GT6s we've driven in recent times.

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This car comes from a local Triumph Classic Car enthusiast who began its restoration in February 2019. Over two years were dedicated to removing corrosion, proper plating, and leading, followed by a respray It is claimed that there is no filler or fiberglass in the car—it's all solid chassis and shell.

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Upon its return to the owner, extensive refurbishments were carried out, including:

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• Rebuilding the differential, overdrive gearbox, and entire brake system.

• Rebuilding the engine with new pistons (.050" oversize), rings, shells, seals, and gaskets.

• Installing a 2.5 L Mk1 Pi cross-drilled crankshaft (.20" oversize) and Mk1 Pi camshaft.

• Totally refurbishing the Mk1 Pi cylinder head to run on E10 fuel, performed by Telford Head Technics.

• Porting and flowing the inlet manifold, and fitting HS6 SU carbs jetted for the 2.5 motor.

• Adding a new water pump.

• Installing a new standard GT6 clutch and flywheel, along with a modified spigot bush.

• Rebuilding the gearbox with Timken bearings and an oversized input shaft bearing, and testing the overdrive unit.

• Fitting a new prop shaft and a 3.27:1 ratio differential rebuilt with Timken bearings by Tony Lindsay Dean.

• Replacing Rotaflex units and adding a stainless steel back box.

• Installing new rear brakes, brake hoses, and pipes throughout.

• Adding new front brake discs and pads.

• Replacing the roof lining and carpets.

• Installing new headlights and fitting new P4 x 5 tyres.

• Sourcing original Dunlop 5.5j steel rims, thet were sold as an optional extra at Triumph dealerships in period.

 

Since its recommissioning, the car has completed around 7,000 miles without any issues. It is well-known among Triumph club members locally in Shropshire.

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Although the owner attempted to obtain a heritage certificate, it was not possible because this car was initially intended for export before being reassembled. According to its commission plate, it was number six from the end of production before the factory closed. Little is known about the prior history of the car. 

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The car no longer retains its factory specifications due to the engine upgrade to 2.5 liters and the faster road differential with a 3.27:1 ratio. However, these enhancements have made it a much more enjoyable car to drive compared to the original.

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The car has been MOTd until July 2025.

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Recent work carried out included, Fresh service and checkover, New upper dashboard to be iinstalled, New drivers and passenger door cards to be installed, Paint correction, Tail gate trim kit installation, Treadplate iinstallation and a full detail including engine bay. Photographs attached have been taken prior to anywork being carried out since delivery.

 

The Triumph GT6, born from the iconic Spitfire, evolved into a GT variant with the powerful 1,998 cc straight-six engine from the Vitesse. With continuous upgrades culminating in the MKIII model, it emerged as a formidable competitor to the likes of the MGB. Boasting 98bhp, a swift acceleration to 60mph in 10 seconds, and a top speed of 110mph, the GT6 offers a thrilling driving experience matched with impeccable engineering. With its rich heritage and exceptional performance, the GT6 remains a timeless classic cherished by enthusiasts worldwide.

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Viewing :

Viewing is strictly by appointment only.

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The Forge Pricing Promise :

At The Forge, we guarantee pricing that is consistently competitive and transparent, saving you money compared to other classic car dealers. We also eliminate the uncertainty that often comes with buying Classic Cars directly from individuals or at auctions.

How We Price Our Cars :
We rely on Hagerty’s industry-leading classic car Price Guide to keep our prices in line with the current market. By leveraging detailed data, auction results, dealer pricing, private sales, and insights from the UK’s most trusted classic car websites, we maintain transparency and fairness in our pricing. Our cars are regularly checked against market conditions, allowing you to enjoy a hassle-free, no-bartering experience.

Hegerty's current valuation of this car is based on year, make and model is :
Fair Condition : £3,900+

Good Condition : £8,200+

Excellent Condition : £14,600+

Concours Condition : £20,500+

 

Why Buy from Us?

• All our cars are carefully selected, primarily from classic car enthusiasts, then independently inspected, MOT’d where required, and professionally detailed prior to sale.

• Every car is fully owned by The Forge; we don’t engage in commission-based sales, ensuring the integrity of each transaction.

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History Of The 1970 - 1973 Triumpg GT6:

The Triumph GT6 was in production from 1966 until 1973. Styled by Giovanni Michelotti, it is a front-engine, rear wheel drive coupe seating two adults.

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The Triumph GT6 was effectively a fixed head Spitfire, a derivation of the Le Mans entrants of the early 1960s. However, it was found that the extra weight blunted the performance of the Spitfire, prompting the fitment of the six cylinder engine from the 2000 saloon. The GT6 - named in the same style as the original Spitfire 4 - debuted in 1966, and was based on the MK2 Spitfire 4. It shared the same basic chassis design as the Spitfire - discs at the front, drums at the rear, independent front suspension and a transverse leaf spring at the back. Unfortunately, that extra power meant that the negative camber issues of small Triumphs were heightened, creating a car which could bite hard if you weren't careful.

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The 1967 facelift into the GT6 MK2 utilised a redesigned rear suspension system with Rotoflex bushing and lower wishbones to counteract the negative camber issues of separate chassis Triumphs. 1970 saw a second redesign, with the new squared off Triumph family tail and rubber front overriders, shared with the Spitfire MKIV. Discontinued in 1973, it was replaced two years later (in spirit, if not name) by the Triumph TR7. 40926 GT6s were built - 15818 MK1s, 12066 MK2s, 13042 MK3s.

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If you're tall or especially broad you won't find the driving position very pleasant - the GT6 is a small car and one which isn't accommodating of the larger frame. But make the effort, because the handling of a GT6 is really rather good. The view down the bonnet is reminiscent of an E-type, while the way the rear can be semi-drifted through bends in the dry makes them a pleasure to point. They're warm inside, so we'd recommend fitment of a Webasto roof to aid with ventilation, but it doesn't detract from the tremendous sense of fun.

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The beauty of a parts-bin car like the GT6 is that the parts-bin is available to ensure plenty of spares. Much is shared with the Spitfire, and that which isn't can be sourced from others within the Triumph range. Specialists such as Rimmer Bros and TRGB can supply pretty much everything the GT6 owner would require from a sump plug washer to a chassis. The shell is less important for prospective buyers than that chassis, so check the steel frame, the outriggers and the bulkhead closely for signs of corrosion. The sills are also structural on GT6s and Spitfires, so warrant closer attention than their saloon brethren.

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Most desirable are the MK2 GT6s - sharing round tail style with the safer chassis. Prettiest and most valuable remain the MK1s - while MK3 is the most accessible and best for regular use. Typically a MK3 is worth around 25% less than an equivalent MK1, with the MK2 somewhere in between the two. Original cars tend to be more desirable than modified cars, though a set of period alloy or wire wheels rarely damages the value. One modification which adds value for all but the best examples is the fitment of the larger 2.5 litre straight six, which offers greater power and torque - and courtesy of the TR6, there are more options for further tuning should that be the way you wish to go.

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We make every effort to ensure that the details above are as accurate as possible. We cannot, however, accept liability arrising from any errors in the data provided. Please make sure that you examine the vehicle and check the accuracy of the information before purchasing any vehicle.