The 2018 BMW X5 is a midsize luxury SUV that offers a robust lineup of trims and engines. The 4th generation X5 is available with three main trims - sDrive35i, xDrive35i, and xDrive50i - catering to a wide range of driver preferences. The sDrive35i features a rear-wheel-drive setup and a potent 300-hp turbocharged 3.0 L six-cylinder engine, while the xDrive35i adds an all-wheel-drive. The upscale xDrive50i boasts an even more powerful 445-hp 4.4 L V8 under the hood. All variants come paired with an 8-speed automatic transmission. The X5 is recognized for its plush interiors, featuring 10.2-inch infotainment display, navigation, and Apple CarPlay. Driver assistance features include standard rearview camera, parking sensors, and available options like adaptive cruise control and lane departure warning, ensuring a balance of performance and safety.