The 2021 BMW X4 is an elegant compact luxury Sports Activity Coupe (SAC) in its second generational phase, offered in two trims: X4 xDrive30i and the performance-oriented M40i. Both models come standard with BMW’s xDrive AWD system and an eight-speed automatic transmission. The xDrive30i has a 2.0-liter turbocharged inline-4 engine producing 248 horsepower, while the M40i boasts a larger 3.0-liter turbocharged inline-6 engine delivering 382 horsepower. Innovative tech features include a 10.25-inch touchscreen with iDrive 7.0, standard Apple CarPlay and Android Auto, and optional heads-up display. The X4 also flaunts a bundle of safety features such as Forward-Collision Warning, Automated Emergency Braking, and available Park Assist. For 2021, the X4 includes updated standard features including satellite radio and Android Auto compatibility.