Command the road and attention. You can feel in the seats the powerful 3.5-liter V6 engine unleashing 311 horses. The power is piped to the rear wheels through an 8-speed Sport Direct-Shift automatic transmission with steering wheel mounted paddle shifters. This powertrain is good for a 0-60 mph sprint time of 5.6 seconds. Fuel economy for this performance sedan is rated at 20 mpg in the city and 28 mpg on the highway, for a combined average of 23 mpg. Outside, the test IS 350 was wrapped in Grecian Water body paint, and rode on 19-inch split-five spoke alloy wheels with Dark Metallic finish. The wheel widths are staggered: 235/40R19 front and 265/35R19 rear. The staggered wheels, company signature spindle grille, headlamps with boomerang LED DRL, lower rocker panels, and rear spoilers make for an attractive exterior vehicle. The digital instrument cluster in the IS 350 F Sport is nearly …