Lamborghini Aventador J - Do Want!

The roofless, V12-powered Lamborghini Aventador J, packs 691 hp from the same 6.5-liter engine as its fixed-roof sibling, and has a top speed of 186 mph. Btw, you can put away your pocketbooks – this one-off, one-run deal has already been sold for a cool 2.8 million dollars.