2005 Lamborghini Murcielago Roadster: Air Bull! Lamborghini's open-top Murcielago ignites the summertime afterburners. By MATT DAVIS Published: Aug 1, 2004.

Lamborghini has taken a line from Ferrari, putting the new 640-horse V-12 under glass for your viewing pleasure. Instead of a single panel like the F430 uses, the LP640's engine resides beneath ...

Now, the Murcielago LP 650-4 Roadster comes with a 6.5-liter V12 engine that produces enough power to satisfy your need for speed: 650 hp (478 kW) and 660 Nm of torque.