The second generation of the RS 7 joins the Audi suite of all-new RS engineered models in the brand's performance lineup. The five-door coupe is equipped with a 4.0-liter TFSI(R) bi-turbo V8 that generates 591 horsepower and 590 lb-ft of torque. The visceral performance capabilities of the RS 7 are underlined by its lowered stance, aggressive RS styling, and flared wheel arches that make it nearly an inch wider on each side over the A7. Performance:...