The run-out special edition packs a mighty 586-hp punch.

About four months ago, Holden Special Vehicles (HSV) unveiled a multitude of special editions to mark the end of the road for Australian production of the Commodore. The GTSR was one of them and had a supercharged 6.2-liter LSA V8 engine producing 586 horsepower (435 kilowatts) and 545 pound-feet (740 Newton meters) of torque. Now, the beefy machine is traveling to United Kingdom to serve as Vauxhall’s most powerful production car ever, with an extra 19 hp (14 kW) over the existing VXR8 GTS.

Aside from getting a stronger engine, the meaner GTSR features new 20-inch forged alloy wheels backed by enlarged brakes with 410-mm discs up front paired with six-piston calipers to match the extra power. Vauxhall’s rear-wheel-drive sedan benefits from a limited-slip rear differential and carries over the GTS’ clever torque vectoring control system ensuring optimal power delivery.

2017 HSV GTSR range
2017 HSV GTSR range

Besides the array of mechanical upgrades, the VXR8 GTS-R also has a more aggressive appearance boasting a redesigned front fascia and carbon fiber vents. It can also be visually distinguished thanks to its prominent front splitter and a wing at the back where the car hosts diamond-shaped exhaust tips flanking a bespoke diffuser.

The VXR8 has been on sale in different guises in U.K. since 2007 and now it’s ready to go out with a bang for anyone willing to pay the hefty asking price of £74,500. Only 15 units are going to be shipped from Holden’s manufacturing plant and the car will celebrate its debut at the Goodwood Festival of Speed scheduled for June 29 – July 2. It will share the spotlight with another new Vauxhall, the Insignia in the more practical Sports Tourer flavor equipped with a turbocharged 2.0-liter gasoline engine delivering 256 hp (191 kW) to both axles.

2017 HSV GTSR range
2017 HSV GTSR range

Bear in mind the GTS-R/GTSR is not the most powerful Commodore ever made as that role has been attributed to the W1 limited edition pictured above. Sourcing a supercharged LS9 6.2-liter V8 engine from the Chevy Corvette ZR1, the special edition produces a monstrous 635 hp (474 kW).

Source: Vauxhall

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2017 Vauxhall VXR8 GTS-R

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MOST POWERFUL VAUXHALL EVER MAKES UK DEBUT AT GOODWOOD FOS

Near-600PS final-edition VXR8 marks swan song for epic V8 bruiser

Luton – Vauxhall’s mighty VXR8 range of cars will be given a final hurrah at this year’s Goodwood Festival of Speed (June 29 – July 2) when a very special last-of-line edition takes to the track as part of the First Glance track class, driven by a variety of high profile drivers.

Known as the Vauxhall VXR8 GTS-R, the new model is powered by an evolution of the current GTS’s supercharged 6.2-litre V8 engine, producing 595PS (up from 576PS) and 740Nm of torque, making it Vauxhall’s most powerful car in the company’s 114-year history.

Production of the Holden Commodore model, on which the GTS-R is based, comes to an end in Australia this October, when Holden’s manufacturing plant finally closes. Vauxhall – a sister brand to Holden in the GM family – has been importing the VXR8 in various forms since 2007, and sells the car through selected dealerships in its network with full service back up and a three-year, 60,000-mile warranty.

As befits its last-of-line status, the GTS-R is no ordinary VXR8 – and in this form it’s exclusive to the UK, too. Sending drive via a limited slip differential to the rear wheels, the GTS-R retains the previous GTS’s clever torque vectoring system, but adds an upgraded braking system with six-piston, monoblock calipers and 410mm discs up front. In addition, the GTS-R wears all-new 20-inch forged alloy rims (ten-inch width at the rear, 9-inch at the front).

Visually, the GTS-R has a fresh face, with a new front fascia, splitter, wings and carbon fibre vents, while at the rear there’s a new-look diffuser, spoiler (with carbon fibre upper), lower panel and quad exhaust outlets with diamond-shaped exhaust tips. Inside, the diamond theme continues in the Alcantara and leather seat trim, with the steering wheel and gear-lever also trimmed in Alcantara.

The current supercharged LSA engine has been re-mapped and is fitted with a high-flow air filter to achieve its hike in power.

Just 15 Vauxhall VXR8 GTS-Rs will come to the UK, at an on-the-road price of £74,500.

The GTS-R will join another new Vauxhall – the Insignia Sports Tourer 2.0 (260PS) Turbo 4x4 – in Goodwood’s First Glance Paddock, next to the Cartier Lawn at the Festival of Speed. Both cars will be driven on the hill climb twice a day through the event by a series of high-profile drivers.