Rumors of a uniqueMcLaren came true today at Pebble Beach with the X-1, a special edition vehicle, based on a MP4-12C Even with one-offs, McLaren doesn't play around, and the X-1 uses the same3.8-liter V8 sourced from the MP4-12C. Twin turbochargers push the power to 592 hp and 443 lb-ft of torque.
