Sitting above the 765LT observe automobile, the 720S GT3X is the brand new vary topper in McLaren’s ‘Supercars’ sequence of fashions, beforehand often called the Tremendous Sequence earlier than the line-up was rejigged not too long ago with the launch of McLaren’s first plug-in hybrid, the Artura sports activities automobile.

The automobile has been developed by McLaren’s motorsport arm and makes use of a tuned model of the 720S’s 4.0-litre twin-turbo V8. The 720S GT3 runs to FIA GT3 laws, however free from the restrictions of racing – and because of an absence of air restrictors and a pair of bigger turbochargers, plus larger manifolds and blueprinted cylinder heads – it produces 710bhp.

There’s a push-to-pass button that provides an additional 28bhp on demand as nicely, taking its complete output to 738bhp, or round 200bhp greater than the common GT3 racing automobile.

The GT3X includes a revised cooling system to deal with the additional energy, whereas the automobile’s brakes have additionally been up to date. It includes a very comparable aerodynamic package deal to the GT3, with entrance dive planes and an enormous rear wing, with the package deal balanced for the GT3X. 

The automobile’s suspension system is carried throughout from the common GT3 and, though unconfirmed, we’d count on the X to function the same electronics package deal because the racer, providing traction management and ABS.

“We’ve already bought an excellent GT3-based automobile,” mentioned Ian Morgan, Director of Motorsport McLaren Automotive. “We wished to make it quicker, so [there’s] extra energy, extra acceleration, higher braking and general lap occasions significantly quicker than the GT3.”

The chassis is identical MonoCage II carbon-fibre tub as utilized by the 720S highway automobile and GT3 racer, whereas the inside is as stripped out and spartan as you’d count on from a observe automobile. The GT3X additionally boasts a revised roll cage permitting house for a passenger seat. 

This isn’t McLaren’s first foray into this space of the observe day particular market as, free from the foundations of racing, the British model launched into the same transformation of its MP4-12C GT3 competitor into the MP4-12C Can-Am again in 2012. 

A restricted manufacturing run of 30 vehicles, the Can-Am value £375,000 on the time. Though McLaren hasn’t but revealed pricing for the brand new GT3X – it’s merely asking events to “register curiosity” at the moment, we all know the 720S GT3 prices £440,000, so a rise over this appears doubtless.

Try one other track-only hypercar – the GMA T.50s Niki Lauda…