New & Used Infiniti QX80: In Depth
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The Infiniti QX80 is a large sport utility vehicle with a distinctive design and a new name—it was formerly known as the QX56, but as of 2014, the new QX80 badge is official.The renaming strategy is meant to to dismantle the mix of letters and numbers and begin every model with Q (sedans) or QX (crossovers and SUVs). For more details and a cheat sheet, check out our story on Infiniti's naming strategy.
MORE: Read our 2015 Infiniti QX80 review
The lineage goes all the way to the 2004 model year, when the then-QX56 was launched as a more luxurious spin-off of the big, bruising Nissan Armada full-size SUV. Built in Mississippi right next to the Armada, that QX56 had more plush finishes but almost no mechanical differences. Both vehicles were based on the Nissan Titan full-size truck platform, and used that truck's sole drivetrain--a 5.6-liter V-8 that over time was boosted to 320 horsepower and 393 pound-feet of torque.
With a choice of rear- or four-wheel drive and a standard five-speed automatic, the QX56 was a brawny machine that could tow up to 9,000 pounds. In other ways, it came up short. The interior wasn't as luxurious as competition like the Cadillac Escalade and Lincoln Navigator. To fix that, flaw, Infiniti upgraded the cabin of the QX56 with better materials, while it also facelifted the sport-ute and added new audio and navigation features.
The first major model change for the vehicle that would become the Infiniti QX80 came in 2011. As a part of a wholesale movement to give Infiniti more distance from Nissan's U.S. offerings, the big SUV changed platforms and homes. The 2011 Infiniti QX56 turned away from its past as a plusher version of the Nissan Armada SUV. Instead, the name was applied to a Japanese-market ute not sold in America. The new vehicle still could hold up to seven passengers, and it carried over a big 5.6-liter V-8, only now, one with 400 horsepower and 413 pound-feet of torque, and a new seven-speed automatic.
For 2014, that QX56 became today's Q80. Infiniti announced in late 2012 that it would rename all of its offerings with numbers and letters that depicted their relative size and place within the lineup, instead of basing them on engine displacement. All cars begin with Q, while all the SUVs and crossovers get QX names. The changes were put in effect for 2014, with the QX80 being the largest SUV and getting the biggest number.
Today's QX80 is basically the same vehicle as the QX56 that came before it. The big V-8 provides fabulous acceleration, and it's balanced by fuel economy that's surprisingly decent given the bulk of this model; the QX80 gets the same 14 mpg city, 20 highway ratings as its differently named predecessor. The QX80 also retains the optional linked hydraulic suspension, which helps reduce body roll on-road and also improves articulation should the luxury bus find itself off pavement. Its tow rating of 8,500 pounds also carries over.
It's a good-looking vehicle, once you're past the very tall front end. The interior's an upscale gem, with wood and leather that's graceful and masculine at the same time. The front and second-row seats are plush and comfortable, but the third row is for children only. Cargo space is excellent, and the cargo floor is lower than before.
Feature content lags the big American luxury utes, but the QX80 now has standard rear and side-view cameras, as well as backup collision intervention--the SUV will apply brakes if it senses an obstacle crossing behind it when in reverse. Other standard features include navigation; DVD audio; Bluetooth audio streaming; and pushbutton start.
The QX80 also comes with the Infiniti dealer experience, something that rivals like Lincoln's Navigator and Cadillac's Escalade still can't quite match, more than 30 years down the road.