2015 Infiniti QX80 Performance

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Performance

All 2015 QX80s come with a 5.6-liter V-8 delivering 400 horsepower and 413 pound-feet of torque, with drive going to either the rear wheels or all four via a seven-speed automatic transmission. The engine’s numbers might not seem high, but it’s enough to tow up to 8,500 pounds and provide adequate performance for this big and burly three-row SUV. This big ute can hit 60 mph in a surprisingly quick seven seconds, while gas mileage is no surprise -- a low 14/20 mpg.

Push the start button, and the QX rumbles to life. The V-8 is one shared with the Nissan Titan and Armada–under the hood, but the QX's exhaust sounds more lush and refined than NASCAR race-ready. It's a strong, silent type of powertrain.

The QX80 offers true luxury-vehicle road manners with its strong V-8.

Since the QX80 shares some of its rugged underpinnings with the military-grade Nissan Patrol, it’s no surprise the Infiniti has off-roading in its genetic makeup.  For traction, Infiniti upgrades the rear-drive QX80 to full-time four-wheel drive with a real low drive ratio. Torque is biased to the rear, but can be split 50:50 between the front and rear axles when wheels start slipping. It’s fairly simple and effective—more so with the QX’s standard hill-start-assist electronics.

Ride quality is excellent, too, in the QX80, even if you get the 22-inch wheels that are available on the most expensive versions. The QX's steering feel is light -- perhaps too light -- but its brakes are big and powerful. There’s an automatic leveling setup on the rear end for towing duty (the QX will drag 8,500 pounds behind it), as well as available Hydraulic Body Motion Control, air pressure at individual wheels to help damp out body lean (a feature not entirely worth the extra cost).

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