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Watch this 840-hp Jeep Grand Cherokee SRT8 walk away from GT-Rs and M3s

This last-generation Jeep Grand Cherokee SRT8 does things that SUVs just shouldn't be able to do, like win drag races against tuned Nissan GT-R and BMW M3 coupes. Granted, the owner isn't coming into this fight with a stock Jeep – far from it. In addition to twin turbos whistling away, he says the engine is a 449-cubic-inch V8, which is nearly 7.4 liters of displacement. As it runs here, the driver claims that the turbos are pumping out around 14 psi of boost to give an estimated 840 horsepower. What's more, he further maintains the powertrain could reach around 1,200 hp with things fully cranked up. Even somewhat dialed back, this Jeep is ready to take on a breadth of formidable challengers, including a couple of Chevrolet Corvette models and a Lamborghini Aventador. Check out the video to see how this menacing Grand Cherokee fares in a day at the races.

2018 Jeep Grand Cherokee Trackhawk Drivers' Notes | Haulin' the groceries

Powered by the same supercharged Hemi at the heart of Dodge's Hellcat cars, the 2018 Jeep Grand Cherokee Trackhawk is the sort of vehicle that comes from a " Why not?" attitude from the maniacs at SRT. It's not for the faint of heart, nor for the cash-strapped. With 707 horsepower and 645 pound-feet of torque, it's capable of a 0-60 sprint of just 3.5 seconds. Its base price, however, is $86,995, though our tester's sticker totaled just a few bucks shy of $100,000. Senior Editor, Green, John Beltz Snyder: "What business does a Jeep have going 0-60 in 3.5 seconds?" This was my thought as I merged into rainy rush-hour traffic on Woodward Avenue in the 2018 Jeep Grand Cherokee Trackhawk. "Why does an SUV need to have 'Track' in the name?" I thought as I unintentionally broke the tires loose pulling away from a stoplight. I hit the "Eco" button, but the Jeep still roared with every toe-tap, and still managed to gulp down nearly a quarter of a tank of gas on my ride home. That sound, though, is amazing, and surely more unsettling to other drivers coming from such a big beast of a ute. Anyway, this Jeep feels more grown-up than other Hemi-powered vehicles I've driven. The fit and finish in this $99,000 Jeep is far nicer than, say, the Dodge Durango SRT (though at a much higher cost). If another driver didn't pay close attention to the badging, they might see this and think it just another Jeep. The sound, though, will give it away every time. Associate Editor Joel Stocksdale: If Fiat-Chrysler knows how to do anything, it's making fast SUVs, and the Grand Cherokee Trackhawk is further proof of that. And by that I mean, they know how to make them fast, and they know how to make them pleasant to drive. The Trackhawk definitely handles the fast part better than its SRT Durango and SRT Grand Cherokee cousins, what with its extra 230-odd horsepower. This big beast seriously rockets when you punch the throttle. The nose rises up, the supercharger screams, the exhaust rumbles and the speedometer ticks up much faster than you'd ever think. And it feels strong at all revs. Also impressive is that you don't have to really think when flooring it. The all-wheel-drive and fat tires offer so much grip the Jeep simply goes. The pleasant to drive part comes in the fact that the Trackhawk is very comfortable. The suspension has plenty of give, providing a good ride over pockmarked Motown roads.

Going high-tech, the 4x4 way

Is It An Off-Road Adventure Or Just A Walk In The Park?
I remember having to get out and lock hubs and shift into neutral to engage low range.
Coming off press previews of the 2013 Land Rover Range Rover and the 2014 Jeep Grand Cherokee that involved some heavy-duty off-road rock climbing, I'm simply amazed at the capabilities that these vehicles possess. But even more impressive (or troubling depending on your perspective) is the relative ease with which you can operate these vehicles in seemingly impossible terrain.