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Next-gen Jeep Wrangler to pack 300-hp Hurricane turbo four

Fiat Chrysler has been working for some time now on a new turbocharged four-cylinder engine. Dubbed "Hurricane," the engine is now said to produce nearly 300 horsepower. And its first application could be in the next-generation Jeep Wrangler. With that much power coming from such a small engine, the Hurricane would offer an even higher level of specific output than the 1.75-liter engine in the Alfa Romeo 4C – one of FCA's highest-stressed engines – far eclipsing the 4C's 120 horsepower per liter with 150 hp/l. By way of comparison, the latest 2.0-liter, four-cylinder version of Ford's EcoBoost engine produces "only" 245 hp (122.5 hp/l). The 2.0-liter turbo four in the latest Mercedes-AMG CLA45 and GLA45, however, produces 375 hp. To get so much out of so little an engine, FCA will utilize a twin-scroll turbocharger and variable valve timing. That could make it ideally suited towards a compact performance model, but according to Automotive News, its first application could be in the new the Wrangler. The larger 3.6-liter Pentastar V6 produces 285 hp, nearly as much as the Hurricane will. But with a smaller engine, an eight-speed transmission, and aluminum construction, the new Jeep will likely benefit from dramatically-improved fuel consumption. Related Video:

The List: Best of proving grounds

Proving grounds are where automakers and enthusiasts alike go to push their vehicles to their mechanical limits. The Rubicon Trail, located in the Sierra Nevada, is the ultimate off-road test, while Germany's Nurburgring is a grueling 13 mile road and track course. Jessi and Patrick visit both iconic proving grounds in this "best of" compilation of The List. If you like what you see, stay tuned to watch the full episodes, or click here to go directly to our episode archive and pick out some of your own favorite moments of The List to revisit. The List #0004: Conquer the Rubicon Trail The List #0073: Drive the Nurburgring Have an RSS feed? Click here to add The List. Click here to subscribe to The List in iTunes. Click here to learn more about our hosts, Jessi and Patrick. BMW Jeep Off-Road Vehicles Racing Vehicles The List Videos Original Video

Build your own: 2017 Jeep Wrangler Willys Wheeler

While still three weeks from the start of summer, it arrived in practical terms with the Memorial Day weekend. And while the country will have worked through its collective hangover (from too much food, drink and shopping) and gotten back to work, it's worth remembering what – automotively – got us here, preserving both democracy and personal freedoms. The CJ-inspired Jeep Wrangler got us here, and in its Willys Wheeler guise the spirit of America rolls on. As the many spy pics have shown, FCA's Jeep division is working hard to replace its current Wrangler within the next few months. With that, we say goodbye to 10 model years of Wrangling with the current model. And that decade has been a good one for Jeep. Despite the economic downturn between 2008 and 2010, Jeep and Jeep Wrangler sales have been consistent bright spots for FCA, along with – of course – Ram trucks and, uh, Ram trucks. With a new Wrangler around the bend, it's worth taking a look at the existing model. And knowing an all-new example is coming, what would be the reason – if shopping – to consider what's on dealer lots now? Despite the numerous areas of improvement the new model will deliver (in efficiency, refinement and safety) , there's something to be said for a vehicle 10 years into its production cycle. While this is wholly anecdotal, for every step forward a manufacturer makes with a new vehicle, the added tech and necessary complexity seem to mandate two steps back. In an Audi A4, tech would seem a good thing, while in a Wrangler, this Jeep enthusiast would see it as a mixed blessing. Almost 80 years into its evolution (the initial Jeep concept came together in the summer of 1940) little has changed in the Jeep's essential mission. A body-on-frame architecture transports a driver and up to three passengers over paved and unpaved surfaces with credible confidence and a modicum of security. Live axles front and rear enhance the Wrangler's off-road capability, but compromise its on-road behavior. And while a significantly wider track mitigates rollovers, the Wrangler is decades removed from "state-of-the-art" when discussing safety or handling. Currently there's but one engine available in the States, a 3.6 liter normally-aspirated V6 producing 285 horsepower at a you'll-rarely-get-there 6,400 rpm. Connected to either a six-speed manual or ($1,400) five-speed automatic, the engine moves the 4,000-pound (loaded) Wrangler with measured confidence.