2012 BMW X5 M vs. 2012 Jeep Grand Cherokee SRT8, 2012 Mercedes-Benz ML63 AMG ... - Car and Driver

Examine the various branches of the SUV family tree, and none proves more eccentric—nor seemingly as self-defeating—as the luxo-hot-rod limb. Attaching massive horsepower to massive mass produces a massive window sticker and also feels a lot like one of those futile gestures familiar to overweight opossums and five-foot-tall brigadier generals. They produce an average of 519 horsepower. But the funny underlying truth is, these vehicles aren’t any crazier than hot-rod wagons—well, maybe a little—and any residual insanity pretty much evaporates the moment you personally unleash 500-some horsepower to slingshot out of an... It’s like riding a runaway Sherman tank with wings. We last compared hi-po SUVs in January 2010. Back then, we included a Range Rover Sport Supercharged , but it finished last. So this time around, we ditched the Brit in favor of the new 550-hp Mercedes-Benz ML63, the first of these bruisers to wear an AMG badge since the third-gen MLs were launched in 2011. Returning to the fray is the Jeep Grand Cherokee SRT8, which... Source: www.caranddriver.com