The 2012 Infiniti QX again offers a high-stiffness frame structure that enhances ride comfort while reducing noise, vibration and harshness, a standard 5.6-liter V8 engine rated at 400 horsepower and 413 lbs-ft of torque that combines the responsive acceleration of Infiniti's VVEL (Variable Valve Event & Lift) technology with the efficiency of Direct Injection Gasoline (DIG(TM)), and 7-speed automatic transmission.

Click the attached link below to view the complete factory technical specifications of the 2012 Infiniti QX in .pdf format