The 2018 Audi S4 is ... keyless entry and start, front and rear parking sensors, a rearview camera, Audi's MMI interface with a 7.0-inch screen, and two USB ports. S4 Prestige: Moving up to ...

The 2018 Audi S7 is one of two performance-minded variants of the A7, slotting below the larger S8. It comes standard with Audi's Quattro all-wheel drive system. S7 Premium Plus: The base Premium ...

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