 Nonetheless, the small rear spoiler at the top of the rear hatch provides a CD of .32 — where without the spoiler the drag coefficient would have been 0.40.The 500 uses a widened variant of the Fiat Mini platform.The 500 features Dante Giacosa's 1964 breakthrough front-wheel drive layout — which ultimately became an industry standard, the layout "adopted by virtually every other manufacturer in the world" for front-wheel drive automobiles.