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Watch this 650-hp Hennessey Jeep Grand Cherokee go from 0-60 in 3.9 seconds

Hennessey Performance Engineering has created an HPE650 package for the Jeep Grand Cherokee SRT fitted with the 6.4-liter Hemi engine. When it leaves the showroom floor it has 470 horsepower and gets from 0-60 miles per hour in 4.8 seconds. When it leaves Hennessey's garage floor after the upgrade it has 650 horsepower - 530 hp at the wheels, according to Hennessey - and gets to 60 mph in 3.9 seconds on its way to running the quarter-mile in 12.6 seconds.
There's more than just a Roots-type supercharger bolt-on, with ported cylinder heads and high-flow headers among the many changes made to the engine. You can watch this pre-2014 facelift silver model prove its spec sheet on the drag strip in the video below.

Jeep Renegade recalled to prevent hacking

Jeep is issuing a voluntary recall of some 7,800 Renegades over fears that their radios may be vulnerable to hacking. The company is quick to stress that this campaign is independent of the hacking scare earlier this year. Only Renegades fitted with the 6.5-inch touchscreen display are affected by the recall. Owners of the affected vehicles will be mailed a USB jump drive that they can plug into their vehicle for a free software update. Alternatively, owners can head over to the UConnect website, enter their VIN, and download the software to their own jump drive. (See how in our video below.) Dealers will also perform the upgrade free of charge. The software update provides "additional security features," that should prevent remote tampering. If this sounds worrying, it's actually not that huge of a problem. First, Fiat Chrysler Automobiles estimates that over half the affected vehicles are still sitting on dealer lots. More importantly, according to FCA, the vulnerability on the Renegade "required unique and extensive technical knowledge, prolonged physical access to a subject vehicle and extended periods of time to write code," making it considerably different than the Cherokee problem. No injuries or hacks have been reported by any Renegade owner. Related Video: Statement: Software Update September 4, 2015 , Auburn Hills, Mich. - FCA US LLC is conducting a voluntary safety recall to update software in approximately 7,810 U.S.-market SUVs equipped with certain radios. More than half remain in dealer hands and will be serviced before they are sold. The campaign – which involves radios that differ from those implicated in another, similar recall – is designed to protect connected vehicles from remote manipulation. If unauthorized, such interference constitutes a criminal act. FCA US has already applied measures to prevent the type of vehicle manipulation demonstrated in a recent media report. These measures – which required no customer or dealer actions – block remote access to certain vehicle systems. The Company is unaware of any injuries related to software exploitation, nor is it aware of any related complaints, warranty claims or accidents – independent of the media demonstration. Affected are certain 2015 Jeep Renegade SUVs equipped with 6.5-inch touchscreens. Customers will receive a USB device which they may use to upgrade vehicle software. This provides additional security features.

Texas student drives Barbie Jeep to school after DWI

A Texas college student who lost her license when she was charged with a DWI this spring found a creative way of getting around campus. Tara Monroe, 20, is a student at the University of Texas at Austin. She had her driver's license automatically suspended when she refused a breathalyzer test after leaving a Waka Flocka concert on March 4. He dad took her car away and left her with a bike. But that just wasn't classy enough for Monroe. "Riding a bike around campus sucks," she told MySA.com. "Like really sucks." She searched Craigslist to find an alternative and settled on a bright pink Fisher-Price Barbie Jeep Power Wheel toy to help lug her stuff around campus. She named it after the original owner, a little girl named Charlene. The unorthodox ride has turned Monroe into a minor celebrity. Pictures of her slowly making her way around campus in the toy car have been popping up on social media. "This is the best way I could have gotten my 15 minutes of fame," she said. "Basically, it was the best decision I've made in college, yet..." The Barbie Jeep has a 12-volt battery and only goes about five miles per hour. Monroe says she loves the attention she is getting from her immature hijinks. If you enjoy the sight of adults crammed into Power Wheels check out our attempt to cruise around the Autoblog office in a tike-sized Ford F-150. News Source: mySA.com Humor Weird Car News Jeep Driving Electric Videos college power wheels student barbie