2017 BMW 4-Series: The 2017 BMW 4-Series is closely related to the 3-Series and offers two-door, convertible, and four-door "Gran Coupe" variations. It competes with the Audi A4, Lexus IS, and Mercedes-Benz C-Class. For 2017, some of the model names change.Available engines include a 2.0-liter twin-turbocharged four-cylinder that makes 248 horsepower and a 3.0-liter six-cylinder that makes 320 horsepower. An M performance version carries over unchanged with a 3.0-liter twin-turbocharged six-cylinder that makes 425 horsepower. Available transmissions include six-speed manual and eight-speed automatic. The 4-Series is offered with rear- or all-wheel drive.Available features include heated front seats, heated steering, navigation, head-up display, Apple CarPlay, satellite radio, premium audio, USB, and active cruise control.Available safety features include 360-degree camera, stability control, traction control, and dual-front, front-side and front-knee airbags.The 2017 BMW 4-Series has a base price of $41,950.