Infiniti QX

The Infiniti QX56 full-size SUV received extensive revisions for the 2008 model year, including a refined exterior and an upgraded interior – enhancements that continue for the new model year. For 2009, the QX56 is again offered with a standard 320-horsepower 5.6-liter V8 engine and is available in two-wheel drive (2WD) or with the Infiniti All-Mode 4WD™ system. Enhancements for 2009 include one new exterior color, Deep Garnet, and the addition of an automatic speed-sensing door lock function to the standard power door lock system.

In creating the QX56, Infiniti engineers sought to combine the best attributes of a luxury car-like ride with exceptional cargo and passenger carrying utility. The 2009 QX56 comes standard with a 5.6-liter DOHC V8 engine, producing 320 horsepower at 5,200 RPM and 393 lb-ft of torque at 3,400 RPM. For hauling, towing or serious off-road driving, nearly 90 percent of the engine's torque has been made available below 2,500 rpm.

Assembled at Nissan's advanced engine facility in Decherd, Tenn., the QX56's V8 incorporates advanced design features, such as an aluminum block with cast iron cylinder liners, forged steel crankshaft, microfinished crankshaft and camshafts, molybdenum-coated pistons, 6-bolt main bearing caps, heavy duty cooling system, single-stage timing chain and, for precise control, an electronic "drive-by-wire" throttle.

Two drive configurations are available again in 2009 – two-wheel drive (2WD) and four-wheel drive (4WD) featuring the Infiniti All-Mode 4WD™ system with 2WD/AUTO/4HI/4LO modes and an electronically controlled part-time transfer case with low gear, activated through an easy selection switch knob on the center stack. The QX56's All-Mode 4WD™ system is designed to instantly distribute torque to all four wheels whenever road conditions warrant (up to 50 percent can go to the front wheels on demand), resulting in optimal traction.

Source: Infiniti press

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