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500+ hp Stellantis 'Hurricane' I6 previews a world without Hemis

After years of rumored development, Stellantis has revealed its new six-cylinder engine family. The 3.0-liter, twin-turbocharged "Hurricane" I6 will offer V8 power, forced induction torque and six-cylinder efficiency in a package designed to fit into any of the company's North American rear-wheel-drive platforms.  What is "V8 power," exactly? Well, in standard output guise, the new I6 cranks out more than 400 horsepower (the specific figure will vary by application) and 450 pound-feet of torque, while the high-output variant is good for more than 500 horses and 475 lb-ft. The final figures will be dependent on the application. We'll save you a little legwork: In current Ram, Jeep and Dodge products, the 5.7-liter Hemi tops out at about 395 hp and 410 lb-ft, give or take, and the 6.4-liter around 485 hp and 475 lb-ft.    This is a clean-sheet design that is only related to the company's turbocharged four-cylinder by some common measurements. The I6 is exclusively direct-injection (no hybrid/port-injection here) and the two I6 variants share 96 common parts, including the block and oil pan design. The differences are found in their internals, intake plumbing, valvetrain components and the turbochargers themselves. Stellantis is not yet ready to share specs or supplier info for the turbos but says announcements will come from its partners soon.  The standard-output I6 has a compression ratio of 10.4:1 and revs to 5,800 rpm. It will run on regular fuel, albeit with reduced performance; 91 octane is recommended for maximum output. The high-output variant has a compression ratio of 9.4:1 and will rev to 6,100 rpm. That one will require premium. The new I6's advantages go beyond basic power output. Every Hemi family engine currently in production is based on an iron block design, so they're heavy. The aluminum-block I6 shaves weight off the total engine package, even if some of that gets added back thanks to the turbos and their associated plumbing. The standard-output I6 weighs 430 pounds, Stellantis engineers told us; the high-output adds just another 11. Fully dressed 5.7-liter V8s are in the 550-560-pound ballpark, and 6.4-liters close in on 600 pounds.  You may be wondering, "Why a clean-sheet gasoline engine now, when the industry is moving toward battery-electrics?" A valid inquiry, and one Stellantis was prepared to address. While the company will be pivoting to electrification over the next decade, it won't be instantaneous.

Fiat-Chrysler shows its SEMA lineup

Fiat Chrysler Automobiles already previewed its 2014 SEMA show lineup with some slick renders. Now, the automaker has finally showed us the actual cars, and among the group there are definitely some that stand out more than others.
Dodge is really showing off its muscle at this year's show with four concepts that all pump up the power of the brand's models. Perhaps most interesting among them is the Challenger T/A Concept (pictured above) in striking Sublime Green and matte black. It's meant to resemble the classic Trans Am racer from the '70s. Under the hood is a 6.4-liter V8, and to fit the vintage style there's a pistol-grip gearshift inside.
The Charger R/T also gets some attention with the Mopar concept that shows off what FCA's aftermarket performance arm can do. Mods include an updated body kit, cold-air intake for the 5.7-liter V8 and a coil-over suspension kit. Beyond that, the Dart R/T Concept looks a lot meaner with a black hood with duct work that leads straight to the air intake. The rest of the compact sedan is dolled up in O-So-Orange paint and is fitted with upgrades to improve handling like a coil-over suspension and big brake kit from the Mopar catalog.

10 Facts about the 2018 Jeep Wrangler

The 2018 Jeep Wrangler is here. It debuts this week at the Los Angeles Auto Show and it's going on sale in January. After years of anticipation, it's finally reality. Here's our complete First Look, but to break it down further, here's things you'll find curious, cool, absolutely necessary, or just plain interesting. – The 2018 Jeep Wrangler (JL) will be sold concurrently during 2018 as inventory is moved out. This means you might be able to get a decent deal on the outgoing model, the JK. It gets a little confusing since the JK and the JL will both be 2018 models, which suggests the JK sell-down might take awhile. Mike Manley, Jeep boss, defended the strategy during a briefing in Auburn Hills, and noted it's somewhat common across the industry. – The doors: They lift out and have handles so you don't drop them. There's also half-doors that will be offered in 2019. Doors weren't standard on Wranglers until the early 1980s. – There are multiple trims. The two-door comes in Sport, Sport S or Rubicon. The Unlimited is Sport, Sport S, Sahara or Rubicon. Expect more to come. – The EcoDiesel arrives in 2019. This could be interesting. Jeep says it's in response to consumer demand, and it could be a differentiator from the Ford Bronco or other utes looming on the horizon. The V6 is the same engine from the Ram and Jeep Grand Cherokee EcoDiesel models. In the Wrangler, it pumps out 260 horsepower and 442 pound-feet of torque. – The Sky One-Touch power top is cool. With a touch of a button, the canopy of the roof scrolls back. Perfect for the urban or actual jungle. It's offered on Rubicon and Sahara four-door variants. – What they didn't do: The speculation surrounding the Wrangler's future hit a fever pitch in 2015, and most of rumors didn't pan out. It's still built in Toledo, Ohio and it's still body on frame. – Some of the rumors were (kinda) on point. Aluminum was used, fairly extensively. The doors, door hinges and front fenders are aluminum. The rear swing gate is magnesium. No one was speculating on that one. – The badges are cool, and Wrangler enthusiasts will love them. There's one on the swing gate that harks back to the Willys predecessors and offers cool stats, like the fording depth of 30 inches. There's also a silhouette on the shifter and the steering wheel is meant to conjure the image of the Y-shaped ones on military vehicles. You kind of need to squint for that one, but there's plenty of other Easter Eggs.