The Infiniti QX80 is a luxury vehicle first and foremost, but for SEMA this year, Infiniti is rolling out the QX-80 R-Spec, a performance SUV that does its best Nissan GT-R impression. It packs a tuned twin-turbocharged 3.8-liter VR38DETT Nismo V-6 engine under the hood and a host of other performance upgrades.
