The 2021 BMW X3 M is a high-performance midsize luxury SUV part of the third generation of the X3 lineup. Its turbocharged 3.0-liter six-cylinder engine pumps out a staggering 473 horsepower, while the Competition trim pushes that to 503 horsepower. Paired with an eight-speed automatic transmission and standard all-wheel-drive, the X3 M presents thrilling driving dynamics. Inside, the X3 M offers a 10.25-inch infotainment display with Apple CarPlay, Android Auto, and a 16-speaker Harman Kardon sound system. Advanced driver assistance features include forward collision warning and automated emergency braking, lane-departure warning, and parking sensors. Despite its performance orientation, the X3 M also offers practicality with ample cargo space.