The Infiniti EX recently changed its name to the QX50, but other than that it hasn’t undergone any major changes for 2014 and remains undoubtedly the sportiest of compact SUVs. Its 3.7L V6 develops 325 horsepower and 267 lbs.-ft. of torque, while its seven-speed automatic transmission sends power to all four wheels thanks to its excellent all-wheel drive. The QX50 has what it takes to challenge significant rivals like the Acura RDX, BMW X3 and Mercedes-Benz GLK.