The 2009 Saab 9-7X is a premium midsize sport-utility vehicle that seats five and is offered in three states of tune: base 4.2i, midlevel 5.3i and high-flying Aero. Standard equipment on the 4.2i includes 18-inch alloy wheels, leather upholstery, dual-zone climate control, faux wood trim, eight-way power-adjustable heated front seats with driver memory, a sunroof, an auto-dimming rearview mirror, OnStar, satellite radio and an MP3-compatible Bose audio system with an in-dash six-CD changer.The 5.3i model ups the ante with V8 power, xenon headlights with washers, specific aluminum wheels and power-adjustable pedals. The range-topping Aero is further differentiated by a bigger V8, a sport-tuned suspension with larger stabilizer bars, heavy-duty brakes, 20-inch wheels with performance tires, exclusive charcoal metallic paint and "Aero"-embroidered seats and floor mats. Optional 9-7X equipment includes a navigation system, a rear-seat DVD entertainment system and polished aluminum wheels. Chrome-trimmed side assist steps are also offered as a dealer-installed option.