The five-seat A4 is offered only as a sedan; Audi also offers the Allroad wagon, which is based on the A4 and covered separately in the Cars.com Research section. The sedan also is available as a performance version dubbed S4. The A4 is offered with front- or all-wheel drive and competes with the BMW 3 Series, Cadillac ATS and Mercedes-Benz C-Class.
(Skip to details on the: S4) New for 2016 There are no significant changes. Significant Standard Features
Xenon high-intensity-discharge headlights and LED running lights and taillights
Power moonroof
Rain-sensing windshield wipers
Tri-zone automatic climate control
Leather upholstery
Required in every new car: front airbags, antilock brakes and an electronic stability system
Significant Available Features
Sport suspension
19-inch wheels and tires
Blind spot warning system
Backup camera
Audi Connect information system
14-speaker Bang & Olufsen sound system
S4 The S4 is the racy version of the A4. It packs a 333-horsepower, supercharged 3.0-liter V-6 and offers a choice of a six-speed manual or seven-speed dual-clutch automatic transmission. All-wheel drive is standard, along with Audi Drive Select, which lets the driver choose performance settings for the steering, engine, optional adaptive suspension and automatic transmission. What’s Special
Sport seats
Leather and Alcantara upholstery
AWD system delivers 60 percent of the power to the rear wheels, which makes the S4 feel more like a rear-drive car
Optional sports differential transfers more power to the outside rear wheel in turns