Infiniti says they've upgraded the performance too, with a revised twin-turbocharging system for the QX80's V-6 that raises horsepower above the 650 mark and boosts torque to over 750 pound-feet.

Infiniti's Off-Road, Sport QX80 Concepts Explore New Paths for the Full-Size Luxury SUV Building on the flagship is important for Infiniti’s much-needed growth.