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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.

Hackers stole Jeeps in Texas using FCA's internal dealer software

This article has been updated with details on how the thefts were carried out, and with comments from FCA. It seems the news regarding vehicle hacking continues to get worse, especially when it comes to products from Fiat Chrysler Automobiles. Last year, a Jeep Cherokee in St. Louis, Missouri, was wirelessly hacked from Pittsburgh. Nissan had to shut down its Leaf app because of vulnerabilities. Now, a pair of hackers in Houston, Texas, stole more than 30 Jeeps over a six-month period. The two were arrested by police last Friday while attempting to steal another vehicle. ABC 13 in Houston reports that police had been following Michael Arcee and Jesse Zelay for several months but were unable to catch them in the act until now. The two were using a laptop to connect to and start a vehicle. The thieves were able to access Fiat Chrysler's own DealerCONNECT software. After entering the vehicle identification number, the hackers were able to reprogram the cars' security systems to accept a generic key, according to The Houston Chronicle. Additionally, Automotive News reports that FCA subsequently updated the terms of use for its DealerCONNECT program. These thefts were not related to the UConnect remote hacks from last year. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. In April, this surveillance video showed the theft of a Jeep Wrangler Unlimited. It was this footage that first led the police to Arcee and Zelay. The police began to follow and record the pair. That investigation eventually led to Friday's arrest. Both are charged with unauthorized use of a motor vehicle. In addition, Arcee is charged with felon in possession of a weapon and possession with intent to deliver a controlled substance. According to ABC 13, Homeland Security is investigating more than 100 stolen FCA vehicles that they believe were hacked using this method. After their theft, the vehicles were brought across the border to Mexico. FCA is currently conducting an internal investigation into the matter. After this article was posted, the company reached out to Autoblog, stating "FCA US takes the safety and security of its customers seriously and incorporates security features in its vehicles that help to reduce the risk of unauthorized and unlawful access to vehicle systems and wireless communications. FCA US has been cooperating with Houston Police Department since they first started the investigation.

2019 Jeep Cherokee revealed with new, more conservative look

Just as it did with the new Wrangler, Jeep is showing off images of a new product before its debut. In this case it's the 2019 Jeep Cherokee. Jeep hasn't released all the details on it, but we can see a number of exterior changes from the official images. The biggest change is one we've been expecting: the merging of the current Cherokee's split headlights into single units on each side. The result is a more conventional nose that has a closer familial resemblance to other Jeeps such as the Compass and Grand Cherokee. The rest of the front bumper and grille also look a bit softer and rounder, but there's still a hint of the wedge-y pointy look of the previous generation that helps keep the crossover immediately identifiable as a Cherokee. The other major change is at the rear. The big slab of a rear hatch is broken up now with the license plate mounting position, which makes the tail look much less bulky. Naturally the bumper was also redesigned with a faux skid plate to fill up the space left by the license plate. As for the middle of the crossover and the interior, there are no noticeable changes. Jeep hasn't revealed anything other than these images, so we'll have to wait until the full debut in January to find out about any mechanical changes. Jeep's press release does hint at more efficient powertrain options, so there could be some updates to the transmissions or engines. Related Video: Featured Gallery 2019 Jeep Cherokee Image Credit: Jeep Detroit Auto Show Jeep Crossover SUV