The X3 M is a performance SUV with a 3.0L turbocharged inline-6 engine producing 473 hp and 442 lb-ft of torque. The X3 M Competition is a higher performance version of the X3 M, with a 3.0L turbocharged inline-6 engine producing 503 hp and 442 lb-ft of torque. The X3 M Competition also features a sportier suspension setup and larger wheels.