The Acura RDX rides the line between being compact and being mid-sized in the luxury SUV segment. The RDX features attractive futuristic styling, turbocharged drivetrain and sharp handling, making the RDX good value in its class. Competitors include the BMW X3, the Audi Q5 and the Mercedes-Benz GLC. With pricing low starting price, the Acura RDX undercuts all those competitors by at least a few thousand dollars, while offering a technology laden interior and more horsepower to boot.