The Mercedes G55 AMG is no slouch by any stretch of the imagination. So when somebody is looking to put more power under its hood, you know that their reasons are far more than just necessity.

Mercedes tuner extraordinaire Brabus knows a thing or two about building performance packages for the G55 AMG, having done so a few years ago with a 700-horsepower monster of an SUV.

Turns out, 700 horsepower wasn’t powerful enough for these guys because they’ve just released their newest performance package that produces a jaw-dropping 800 horsepower, making it the most powerful SUV in the world. We don’t normally subscribe to masochistic amounts of power on an SUV, but Brabus’ work on the G55 AMG is nothing short of staggering. The only thing that we’re worried about is that this SUV’s price tag will be as pocket-burning as the last one the tuning firm built.[...]