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2018 Jeep Grand Cherokee Trackhawk First Drive | Crazy. Good.

TAMWORTH, New Hampshire – We're tempted to tell you that the 2018 Jeep Grand Cherokee Trackhawk is ridiculous. It's borderline frightening to think that we now live in a world where anybody with the money and the gumption can stroll into the nearest Jeep dealership and place an order for a 707-horsepower Hemi-powered Grand Cherokee. Let's put this slice of history into perspective. The original Jeep, the one used by the military, boasted 60 horsepower from the Go Devil four-cylinder engine under the hood. The most powerful version of the muscle car-era 426-cubic-inch Hemi was factory-rated at 425 hp. And even if that legendary powerplant was underrated from the factory, the Grand Cherokee Trackhawk still obliterates it by a couple hundred horses. In an SUV. Seven-hundred-horsepower sport utility vehicle doesn't exactly roll off the tongue, does it? And conventional wisdom says it shouldn't. But we're here to tell you otherwise. After driving the Trackhawk in and around the streets of Portland, Maine, and taking it to Club Motorsports in New Hampshire, we're convinced that Jeep and SRT engineers have managed to defy physics and reason. The Trackhawk isn't just fast, it's also manageable. Subdued, even – at least when you want it to be. Put the hammer down, summon the nearly demonic power of supercharged combustion, and all hell breaks loose. But the tires don't. With launch control engaged and with the programmable engine speed properly chosen, the all-wheel-drive Trackhawk rockets to 60 miles per hour in just 3.5 seconds, over and over and over again. No drama, no wheelspin, just g-force, pressing you and four close friends into the backs of your seats. It's addictive, and the only penalty is single-digit fuel mileage. But we'll wager a guess that anyone shopping for a Trackhawk isn't much concerned about its drinking problem. The only proper way to experience the Trackhawk's acceleration is from inside. But, to give you an idea of its speed and power, check out the videos below. Stick around for a walkaround both inside and out, and for a look under the hood. Jeep had to make a few small changes to the well-known 6.2-liter supercharged Hellcat V8 engine to shoehorn it under the hood of a Grand Cherokee. The oil pan is reshaped and baffled, the intercooler is modified, and the exhaust manifolds are new. The result is a reduction in torque from 650 pound-feet in Dodge Hellcat models to 645 in the Jeep, but we wouldn't worry about that.

Chrysler axes old V6s, goes all-Pentastar

Old technology has a way of lingering on, particularly at Chrysler headquarters in Auburn Hills. So while the Pentastar V6 has replaced the older engine architecture in just about every application, it still soldiered on in some export markets. But the introduction of a new 3.0-liter Pentastar V6, produced in Michigan and meant only for the Chinese market, has put the final nail in the old engine's coffin.
Fitted into the 2014 Jeep Grand Cherokee and Jeep Wrangler just introduced to China at the Chengdu Motor Show, the downsized six uses the same architecture as the larger 3.6-liter Pentastar V6. But because of its 2,997cc capacity, it can be exported to China without the increased duty the 3.6-liter or even 3.2-liter Pentastar engines would incur. The 3.0-liter V6 develops 230 horsepower at 6,350 rpm and 210 pound-feet at 4,400 rpm.
Admittedly, it's unlikely, but even though the engine was said to be created solely to undercut tax thresholds in China and Europe, the 3.0-liter Pentastar has recently surfaced in rumors of an application here: as the boosted heart of a potential Cherokee SRT with anywhere from 375 to 410 hp.

Jeep Super Bowl commercial nets criticism from fish conservationists [Update]

Update. FCA got back to us with the following statement: "The Jeep brand and FCA cooperate with federal/state/local governments and organizations, including Tread Lightly and Access Fund, around the world to help ensure that its vehicles are being utilized in a legal and responsible manner, and follow those guidelines when demonstrating their off-road capabilities. Ecological assessments are made and considered when the Jeep brand conducts demonstrations of a vehicle's off-roading capabilities. The vehicle shown in this video is driving on a designated county road that experiences seasonal runoff and its performance capabilities are authentically portrayed consistent with the Jeep brand philosophy. Other examples of how Jeep demonstrates vehicle capabilities take place at the brand's Camp Jeep activities at auto shows and experiential events." The Super Bowl is always packed to the brim with various car commercials. FCA in particular had a big showing this year with ads from both Ram and Jeep. It's the latter that seems to have drawn the ire of some organizations, particularly one where a new Jeep Cherokee drove up a stream in a commercial called "The Road." Trout Unlimited, a freshwater conservation organization, has criticized FCA for encouraging driving that might endanger fish habitats. Trout Unlimited President and CEO Chris Wood sent a letter to FCA chief Sergio Marchionne, calling the commercial "wrongheaded" and that Jeep got some "bad marketing advice on this one." Wood says many of Trout Unlimited's members are Jeep owners and that he previously owned a Jeep CJ7 that he took all over Vermont. He says that he took it off-roading, though he never drove right up the middle of a stream. We're waiting on a comment from Jeep, but MSN reports that the automaker is defending the ads — though there aren't plans to run them again. Trout Unlimited says driving up and damaging streams can destroy the gravel where fish lay eggs. Either way, off-roaders should always be mindful of their surroundings so they don't destroy the land or sink their vehicles after, say, breaking through the ice on a frozen lake. Related Video: