«During the past two years, we've added several new vehicles to our lineup in
direct response to customer demand,» said Joe Conway, CEO of Shelby American, «including a trio of purpose - built trucks.
Created in
response to customer demand for an edgier version of the McLaren MP4 - 12C offering greater levels of driver engagement, the 650S runs a more heavily tuned version of McLaren's twin - turbocharged 3.8 - liter V8
direct - injection engine producing a claimed 25 hp more than the variant used by standard sibling for a total of 641 hp (as its name suggests 650 ps — metric hp).