The 2015 BMW 4 Series is a part of the first generation 4 Series launched by the German manufacturer known for its performance-oriented luxury vehicles. Available in two body styles, Coupe and Convertible, it also offers three trims: 428i, 435i, and M4. Both 428i and 435i trims come powered with respective 240-hp and 300-hp turbocharged engines, whereas the performance-oriented M4 boasts a whopping 425-hp from its turbocharged six-cylinder. The 428i offers both RWD and AWD, with the 435i and M4 being RWD only. Key safety features include antilock brakes, front-side airbags, side curtain airbags and front knee airbags. The 2015 model also offers an optional Technology package featuring a navigation system with an 8.8-inch display screen, a touchpad iDrive controller, a color head-up display, an upgraded instrument cluster display, BMW Apps, and BMW Remote Services. Other tech features include Bluetooth, BMW's iDrive electronics interface and a fantastic 9-speaker sound system standard in all models.