The redesigned QX80 moves Infiniti’s full-sized SUV further upscale, with premium features to rival the most prestigious competitors like large screens, Klipsch premium audio, second-row massaging seats, and the latest ProPilot Assist 2.1 active driving assistance system. Gaining 50 horsepower, the QX80 moves to a 450-hp, 3.5-liter turbocharged V6 engine, instead of the previous V8, with a new nine-speed automatic transmission. It can be had in rear- or four-wheel drive. An adaptive suspension is available. Infiniti claims there is more passenger and cargo space than before. Four trim levels see the comfort and convenience features climb precipitously, as the price likewise ascends well past six figures.