The recently refreshed Jeep Grand Cherokee gets a massive injection of performance at the 2011 New York auto show with the announcement of the 2012 Jeep Grand Cherokee SRT8.

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Photo by: Antuan Goodwin/CNET

6.4-liter Hemi

Under the hood is an all-new 6.4-liter Hemi V-8 that produces 465 horsepower and 465 pound-feet of torque. It's also 13 percent more efficient than the last generation's SRT8 variant.

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Photo by: Jeep
The SRT8 features a very aggressive front end with a gaping lower grille opening that mimics a sports car's.

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Photo by: Antuan Goodwin/CNET
Sports car looks or no, the Grand Cherokee is a massive vehicle that hits 60 mph in 4.8 seconds with a top speed of 155 mph. That's no small feat.

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Photo by: Antuan Goodwin/CNET

Safety tech

The Grand Cherokee also gets an array of safety technologies, including adaptive cruise control, rear cross-path sensing, blind spot monitoring, and SmartBeam headlamps.

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Photo by: Antuan Goodwin/CNET

Active suspension

The vehicle sits a whole inch lower on its suspension than the non-SRT8 model. The SRT8 also features an adaptive damping suspension.

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Photo by: Antuan Goodwin/CNET

Selec-Trac system

Jeep's Selec-Trac system calls the shots, controlling aspects of both the power train and the active suspension.

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Photo by: Jeep

Brembo brakes

Brembo brakes haul the Grand Cherokee SRT8 to a stop from 60 mph in 116 feet.

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Photo by: Antuan Goodwin/CNET

Hood scoops

Deep hood scoops help to pull hot air through the radiator and out of the engine bay.

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Photo by: Antuan Goodwin/CNET

Interior

The interior refresh that the Grand Cherokee received in last year still looks good on the 2012 model.

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Photo by: Jeep

Uconnect

Chrysler's Uconnect system makes another appearance in the dashboard of the 2012 Grand Cherokee.

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Photo by: Antuan Goodwin/CNET
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