The 2012 Infiniti M56 is part of the brand's third-generation M-Series. As a captivating luxury sedan, it is equipped with a 5.6-liter V8 engine making 420 horsepower, paired to a seven-speed automatic transmission. Rear-wheel drive is standard while all-wheel drive is available as an option. The M56 comes in one well-equipped trim level that includes a hard-drive-based navigation system, 10-speaker Bose audio system, Bluetooth, and a 9.3GB music hard drive. Key safety features include frontal collision warning, adaptive cruise control, and blind-spot monitoring. Its Infiniti Drive system offers Standard, Eco, Sport, and Snow modes, giving the driver greater control over throttle response and transmission shifts.