The Infiniti FX puts the “sport” in sport utility vehicle. From its design to its underpinnings, the FX stands out from its crossover SUV competitors. At first glance, the FX uses a design that would seem more at home on a classic sports cars with a long hood and short overhangs. Sharing the same platform as the Nissan 350Z, the Infiniti FX is more sports sedan than SUV with a seven-speed automatic transmission and 390-horsepower, 5.0-liter V-8 available as options. Inside, the FX offers the highest level of luxury, safety and convenience. The Infiniti FX comes with a four-year/60,000-mile basic warranty and gets an estimated 20-23 mpg on the highway.