The lightest, most powerful and quickest road-legal Sports Series McLaren makes its world dynamic debut on July 12 in the UK, at the Goodwood Festival of Speed 592bhp and 457 lb ft torque ensures blistering acceleration: 0-62mph is the equal of a McLaren 675LT at 2.9 seconds (0-60mph in 2.8 seconds); 0 - 124mph in just 8.2 seconds New aerodynamic carbon fibre bodywork - including front splitter, side sills, extended diffuser and fixed rear wing -...