The 2018 Audi S4, a part of the B9 generation, is an all-wheel-drive compact luxury sedan renowned for its performance and sophistication. It is powered by a 3.0-liter turbocharged V6 engine, which outputs an impressive 354 horsepower and is paired with an 8-speed automatic transmission. The S4 comes in two trims: Premium Plus and Prestige. Standard features include a 7-inch infotainment display (upgradable to 8.3 inches in the Prestige), Apple CarPlay, Android Auto, and a Wi-Fi hotspot. In terms of safety, Audi Pre Sense Basic and City are standard, offering automatic braking and pedestrian detection. The 2018 S4 witnessed a full redesign from the previous year, having been made slightly wider with a more aggressive appearance, and receiving significant boosts in performance and interior technology.