Inside, the Cadillac STS-V is decked out in hand-wrapped leather trim for the dash and door panels, Olive Ash Burl wood, aluminum accents, and suede seat inserts. Cadillac even offers a Tango Red accent color. Outside, stainless steel mesh grille inserts, brake ducts for cooling the front discs, revised front and rear fascias, flangeless 10-spoke alloy wheels, a bulging hood to clear the engine’s supercharger, and a revised rear spoiler set the STS-V apart. The price tag is $77,090, including the $720 destination charge and $2,100 gas guzzler tax.