A true American SUV, the GMC Yukon can be equipped with one of four different engines – all of which are V8s! The smallest of the bunch is a 5.3L that develops 320 hp. Two 6.0L engines are offered, one being a hybrid. Finally, the luxurious Denali is powered by a ferocious 6.2L V8 with 403 hp and 417 lbs.-ft. of torque. As for the transmission, both FWD and AWD are possible.