Infiniti QX80 by Elise240SX - CC-BY-SA-4.0 A few things are more luxurious than a luxury three-row large SUV. If you want the best classy comfort and luxurious experiences, it’s hard to go wrong with the leading segment models like the Lincoln Navigator and Cadillac Escalade. However, one luxury three-row SUV that used car buyers should check out is the Infiniti QX80. The Infiniti QX80 is the mechanical sibling of the Nissan Armada.