News Lamborghini presents the Murciélago LP640 Roadster By Khatir Soltani , Sunday, 07 January 2007 At the Lamborghini stand, the LP640 Roadster is on display. Essentiallya topless version of the standard Murciélago, it it powered by the same 6.5-literV12 engine that twists out 640 horsepower and 487 lb-ft of torque. Photo gallery Article Gallery