A large-sized luxury sedan sold in rear-wheel and intelligent all-wheel drive configurations, the 2012 Infiniti M56 sedan presents radical exterior styling. Lighting its driving path with standard HID headlamps, the V-8 powered 2012 Infiniti M56 sedan is largely indistinguishable from the M37 in overall appearance. Compared to the M37, the 2012 Infiniti M56 offers a more comprehensive package of comfort items. Special standard equipment to the M56 is climate-control front seats, navigation system and a 10-speaker Bose premium audio system with a 9.3 gigabtye Music Box hard drive. Moved by 420 horsepower and 417 pounds-feet of torque, a 5.6 liter V-8 engine moves 2012 Infiniti M56 through a powerplant employing gasoline-direct injection and all-aluminum construction. A 7-speed automatic transmission assures the clean and smooth distribution of power from the M56 sedan’s engine. In 2012 Infiniti M56x models, the inclusion of all-wheel drive makes the luxury sedan more formidable driving through inclement weather. Among minor changes in 2012, the contents of the M56 Sport and Sport Tuning Packages have been consolidated into a single option group. Special brakes, aggressive suspension and 20-inch wheels is loaded via the 2012 Infiniti M56 Sport Package.