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The Hellcat-powered Jeep commands a slight premium over the Dodge Challenger SRT Demon.

Fiat Chrysler Automobiles has announced pricing and ordering details for the Jeep Grand Cherokee Trackhawk.

Claimed to be the most powerful SUV ever, the Trackhawk starts at $86,995 (including $1,095 freight). The price tag represents a premium of more than $20,000 over the Hellcat-powered Challenger and slightly higher than the Demon.

The supercharged V8 boasts 707 horsepower and 645 pound-feet of torque. Unlike cars powered by the same mill, the Grand Cherokee can send between 30-50 percent of available torque to the front wheels.

Drivers can expect to hit 60 mph in just 3.5 seconds and finish a quarter mile in 11.6 seconds, with a top speed of 180 mph. Enormous Brembo brakes -- the biggest ever in a Jeep product -- can bring the SUV to a halt from 60 mph in just 114 feet.

"As the most powerful and quickest SUV, there is nothing else like the Grand Cherokee Trackhawk in the market, and with its starting price of $85,900, there is no better value for a high-performance SUV," says Jeep brand head Mike Manley.

The Trackhawk is just over half the MSRP of the Porsche Cayenne Turbo S, which gets to 60 mph in 3.8 seconds and tops out at 176 mph.