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Here's what it'll take to build a Jeep Grand Cherokee Hellcat

Let's get one thing straight: We want a 707-horsepower Grand Cherokee Hellcat to happen. Badly. The latest report from Motor Authority is encouraging; the bonkers SUV supposedly has a codename, Project K, and has been given the green light for production. Fingers crossed. You might be wondering why the Trackhawk isn't already a thing. Hellcat engines exist, SRT Grand Cherokees exist, so just combine the two, right? It's not quite that easy. Here, we outline what needs to happen, why it should be the quickest Hellcat vehicle out there, and why it won't come anywhere near 200 miles per hour. How To Build A Hellcat Jeep The first engineering problem is feeding the air-intensive beast that is the 6.2-liter supercharged V8. The first engineering problem is feeding the air-intensive beast that is the 6.2-liter supercharged Hellcat V8. Breathing is important on two counts: pulling in enough air for the combustion to put out 707 hp, and then cooling the various heat exchangers once the engine is up to temperature. Dodge did it with the Charger and Challenger, it can do it with the Jeep. This is one place where the Grand Cherokee's larger frontal area might be a boon, as it gives the engineers more surfaces through which to suck air. Once you generate the 707 horsepower and 650 pound-feet of torque, it has to get to the wheels somehow. Jeep's current SRT all-wheel-drive system will at least need some beefing up to handle the torque. It could require a more complete re-engineering. We at least know the ZF-supplied eight-speed auto, used in the Dodge Hellcat models, is up to the task. The Hellcat engine should fit in the Grand Cherokee, as it's about the same size as the 6.4-liter currently in SRT Jeeps, but the Hellcat is taller because of its supercharger. The hood may need to be raised or at least resculpted for clearance, as well as to address those cooling needs. Quicker Than Everything, But Not Faster 200 mph? We're skeptical, from both a physics standpoint and a legal one. A reminder of the quick/fast distinction: quick is acceleration, fast is road speed. The Jeep's all-wheel drive will help put the Hellcat engine's power to the ground in a more manageable way than the Charger and Challenger do through just the rear wheels. That means better acceleration times than the Dodges (11.0 seconds in the quarter-mile for the Charger Hellcat, 11.2 for its Challenger sibling).

Jeep Grand Cherokee S is handsome dressed in all black

FCA loves to roll out limited- or special-edition variants of its vehicles. Just take a peek through all the different versions of the Ram 1500 and Jeep Wrangler that were available over the years. Generally, most of those models are tailored for the U.S. or completely U.S. exclusive, but that's not always the case. In Europe, there's an awesome looking new Grand Cherokee S. Too bad this murdered-out variant of Jeep' flagship isn't coming here. While many of us lament the popularity of black, silver and white paint colors, there's always something particularly charming about a completely blacked-out vehicle. Ditch all the chrome trim, paint the wheels and tint the lighting. The Grand Cherokee S (for Sport) has a new Low Gloss Granite Crystal color on its badging, grille surround, step pads, tail lamps and 20-inch wheels. The grille itself is painted a deep gloss black. Same goes for the trim around the windows and the exhaust tips. The interior follows the same general form. Most of the trim is done up in either anodized grey or black wood. The SRT seats are covered in black Nappa leather with black stitching. One rare bright spot is the shiny metal pedals. It's not all just looks with the Grand Cherokee S. The model comes standard with an 8.4-inch touchscreen infotainment system with the latest iteration of UConnect. That means both Apple CarPlay and Android Auto come at no additional running costs. Other features include a 7-inch configurable display in the instrument cluster, an Alpine audio system with a subwoofer and active noise cancellation, a panoramic sunroof, dual zone climate control, heated and ventilated front seats and heated rear seats. Additionally, the Grand Cherokee S gets a sport suspension and Jeep's Quadra-Drive II four-wheel-drive system. It adds a limited-slip differential, a five-mode (auto, snow, sand, mud and rock) selector for optimal traction on rough surfaces. Add on a number of active safety features, and the Jeep Grand Cherokee S gets just about everything available on Jeep's range-topper. Unfortunately the Grand Cherokee S doesn't have a direct equivalent in the U.S., but hey, we get the Trackhawk. We think the Europeans might draw the short straw on that one. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. News Source: Jeep Design/Style Jeep Crossover SUV Off-Road Vehicles

Jeep in St. Louis hacked from Pittsburgh

One of America's most popular vehicles contains a security flaw that allows hackers to remotely commandeer it from anywhere on the planet. Cyber-security researchers Chris Valasek and Charlie Miller say they've accessed critical vehicle controls on a 2014 Jeep Cherokee that allowed them to remotely control critical vehicle functions like braking, transmission function, and steering. Automakers have downplayed the possibility a car could be remotely compromised, but the significance of the findings detailed Tuesday could cause them to reevaluate the threats posed to hundreds of thousands of vehicles already on the road. A key finding – the pair needed no physical access to the Jeep to pull off the attack. Valasek and Miller accessed the controls via a security hole in the Sprint cellular connection to Chrysler's UConnect infotainment system. In the course of their research, Valasek sat in his Pittsburgh home and remotely manipulated Miller's Jeep as he drove along a highway outside St. Louis. If you know a car's IP address, they say, a hacker could control it from anywhere. "We didn't add anything, didn't touch it," Valasek told Autoblog. "A customer could drive one of these things off a lot, and they'd have no clue it had these open attack surfaces." Remotely, he disabled brakes, turned the radio volume up, engaged windshield wipers and tampered with the transmission. Further, they could conduct surveillance on the Jeep, measuring its speed and tracking its whereabouts. They conducted the experiments over multiple breaches. They made their findings public on the same day the National Highway Traffic Safety Administration, the federal agency in charge of vehicle safety, released its latest report on the readiness of government and automakers to fend off these sorts of cyber attacks. Later today, two US Senators are expected to introduce legislation that would help consumers better understand the potential risks of car hacking. In the early stages of their research, Valasek and Miller found a security flaw in the car's wi-fi that allowed them to remotely manipulate controls from a range of about three feet. But in recent months, they found another vulnerability in the Sprint cellular connection in the UConnect system. That was a key breakthrough. "Lo and behold, we found we could communicate with this thing using cellular, and then more research, and 'Holy cow,' we're using the Sprint network to communicate with these vehicles," Valasek said.