McLaren 720S GT3 being developed for the 2019 race season

McLaren Automotive launched the McLaren 720S GT3 customer racecar late last week. The new GT3 challenger is based on the much-vaunted 720S supercar. The final product is undergoing testing for a 2019 competition debut.

“It was an incredibly exciting moment for us to see our new 720S GT3 begin the intensive track-based phase of a development programme that we are confident will provide our customers with a first-class GT racecar,” commented Mike Flewitt, McLaren Automotive Chief Executive Officer.

Good basics

McLaren 720S GT3 is based on the light but immensely stiff carbon-fibre MonoCage II structure. A race-prepared version of the 4,0-litre twin-turbo V8 engine (dubbed M840T) provides the power. The motor has been slightly retuned for better response with a new torque curve for better on-track performance.

Click here to see a video explaining why the McLaren 720S is such a devastatingly quick road car.

More than ninety per cent of components have been changed for competition. The bodywork, aerodynamics and suspension transmission and braking system have undergone extensive revision.

Carbon-fibre and composite body panels are all unique to the 720S GT3, while a bespoke splitter, floor assembly and dive-planes distinguish the front and the tail gets a GT3-spec rear wing.

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A replacement six-speed sequential gearbox is equipped with a new electronic shift actuator to increase shift-speed, usability and reliability. A limited slip differential is fitted, as are cockpit-adjustable traction control and ABS.

The uprated braking system comprises a new brake caliper design and enhanced cooling, for maximum performance and longevity. Driveshafts and wheel hubs are race-oriented and a fast-change, centre-lock wheel design minimises the time required for wheel changes.

FIA-approved GT3 race equipment fitted as standard includes an all-new roll cage, winged-headrest seat and six-point harness, roof-hatch extraction system and side-impact foam.

Click here to read up more on the customer racing programme offered by McLaren.

Oh, if you really must know, the price of the McLaren 720S GT3 is £440 000