Tanta velocita' non e' dovuta solo al motore V10 da 570 cavalli, ma anche perche', nonostante quel motore gigantesco e la trazione integrale, pesa meno di una Ford Fiesta. ###>The reason it's so fast is not only because it's powered by a 570 horsepower V10, but also because, despite that massive engine, and a full four-wheel-drive system, it weighs less than a Ford Fiesta.