If you thought your badass Mercedes AMG G63 blacked out SUV was a total beast, just take a look at this insane-in-the-membrane Devel Sixty SUV put a sports car to shame. The video shows the behemoth SUV blow some major smokestacks as it tears up the dragstrip. We're not quite sure if we've seen anything this crazy before. It even drives on knobbies and still wins.

The Sixty beats the very fast Mercedes-AMG GT S that's powered by a twin-turbo 4.0-liter V8 with 515 hp and 494 lb-ft. Lest you think this is some specialized amped-up version that's not for sale, you'd be wrong. The Devel Sixty is a 6x6 that's powered by a massive 6.75-liter V8 turbodiesel with 720 horsepower and 738 lb-ft of torque. There's also one that's more than twice as potent and delivers a whopping 1,500 hp.

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The Sixty is shown here right next to the 5,000 hp Sixteen supercar

What's shocking (aside from the sight of this giant wheeled black sarcophagus blow smoke down the track) is the fact that on paper, the Mercedes is faster to 60 (3.7 seconds) compared to the Sixty (5.8 seconds), so we're not exactly sure what happened. Maybe the Merc driver didn't give the car the full beans during the race? Maybe Devel's stats are seriously conservative. Whatever the case, the result is something to see. 

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The car that's losing to the Devel is none other than the quick and sexy Mercedes-AMG GT S coupe.

Devel also builds the utterly insane 5,000 horsepower Devel Sixteen supercar that supposedly will hit 310 mph thanks to its 12.3-liter quad turbocharged V16 engine. 

The base model. Sixty will be built in the U.S. and will be priced at $450,000. Surely, you'll be able to upgrade just about everything if you're willing to pay more. 

The Sixty does look like it was inspired by the cartoon TV show Speed Racer and one of the bad guy vehicles known simply as "The Mammoth Car".