First Drive Review - Car and Driver
Looking at the Audi S7, we find it hard to believe hatchbacks ever went out of fashion. While other manufacturers were busy building market-research-driven hatchbacks—vehicles like the BMW 5-series GT and Mercedes-Benz R-class—Audi simply tasked its designers with creating a beautiful five-door. The S7 is powered by a 420-hp variation of the brand’s new twin-turbocharged 4. 0-liter V-8. This engine, at the same output level, also motivates the new S6. it makes more power in the S8 and base Bentley Continental GT. There’s considerable... A cylinder-deactivation system—it closes the valves of cylinders 2, 3, 5, and 8 under light loads—helps fuel economy noticeably, especially when cruising in higher gears at constant speed. the S8, with its 520-hp "4. 0 TFSI-plus" engine, is coupled to an eight-speed torque-converter automatic. By default, 60 percent of the S7’s power is sent to the rear and 40 percent to the front. the optional sport differential, which provides true mechanical torque, can transfer almost all the torque to one of the rear. Source: www.caranddriver.com
