Though it is still available in 2010, the Nissan Armada / Infiniti QX56 duo is undoubtedly nearing the end of its career. The QX56 is the luxurious version of the Armada and displays a lot of leather and woodwork, while silence while driving is very impressive… just like the size of the interior. This road pachyderm is powered by a 320 horsepower 5.6-litre V8 and a five-speed automatic transmission. But the future models will be more exciting.