UPDATE: McLaren has now officially revealed the 650S. Article updated.
McLaren has unveiled its new 650S supercar today, just hours on from a private customer viewing in London over the weekend.
The new model is based on the 12C, but bridges the gap to the P1 by boosting power and enhancing the aerodynamics, suspension, brakes and transmission.
Power is provided by the same turbocharged 3.8 litre V8 that drives the 12C, but with power kicked up from 460 to 478kW, and torque is up 78Nm to 678Nm.
Speaking at the private event, McLaren’s Jamie Corstorphine promised faster - and more “emotive” gear changes - along with greater steering response and feeling, and better balance front-to-rear.
The 650S also bridges the gap on design, taking inspiration from the P1 and 12C alike to bring the brand’s styling look together.
The front end sees the new P1’s headlight design dominate, but there’s also a new design to the side intakes - or 'blades' - which McLaren reckons has optimised engine cooling.
At the rear, the 650S gets the 12C’s tail-light and exhaust design, with a new two-piece bumper and diffuser design below.
The new model also gets revised active aerodynamic systems to keep the car planted, helping to increase downforce by a significant 24 percent over the 12C.
"As always with McLaren, the new design is there for good engineering reasons,' McLaren CEO Mike Flewitt said.
"The newly designed front bumper improves downforce and steering turn-in. The high speed handling balance is now even better. The LED lights use less power and last longer."
There's also new alloy wheels at each corner, wrapped in Pirelli P Zero Corsa performance tyres.
What has all of this done for the car's performance figures?
It's all about the fractions at this end of motoring: the 0-100km/h time is improved by 0.1 seconds (now 3.0 seconds), and the 0-200km/h has been shaved by 0.5 seconds to 8.4 seconds.
Watch for details of Australian availability (if at all) to come soon.