The McLaren 720S GT3X Is a sports car designed and manufactured by British automobile manufacturer McLaren Automotive. It is the second all-new car in the McLaren Super Series, replacing the 650S beginning in May 2017. Performance comes from a hand-built 4.0-litre twin-turbocharged engine, optimised to combine features from the 720S road car and the 720S GT3 race car. Coupled to a six-speed sequential motorsport transmission, a unique version of the M840T engine features a blueprinted cylinder head, strengthened pistons, 'Diamond Like Carbon' (DLC) coating and a lightweight performance exhaust system. The track-focused components and systems deliver the same 720PS (710bhp) as the road car, with a further 30PS (30bhp) boost function available to the driver through a steering wheel-mounted 'push-to-pass' button. The lightweight McLaren 720S GT3X tips the scales at just 1,210kg (2,668lbs) and displays the extreme weight-saving efforts that have been taken into consideratio...