500+ hp Stellantis ‘Hurricane’ I6 previews a world without Hemis



Right after several years of rumored growth, Stellantis has unveiled its new 6-cylinder engine spouse and children. The 3.-liter, twin-turbocharged “Hurricane” I6 will offer you V8 ability, forced induction torque and six-cylinder effectiveness in a package intended to in good shape into any of the company’s North American rear-wheel-push platforms. 

What is “V8 electricity,” exactly? Effectively, in common output guise, the new I6 cranks out much more than 400 horsepower (the specific figure will differ by software) and 450 pound-feet of torque, although the high-output variant is fantastic for extra than 500 horses and 475 lb-ft. The ultimate figures will be dependent on the application. We will help you save you a minor legwork: In present-day Ram, Jeep and Dodge products and solutions, the 5.7-liter Hemi tops out at about 395 hp and 410 lb-ft, give or consider, and the 6.4-liter all-around 485 hp and 475 lb-ft. 


This is a clean up-sheet design that is only related to the company’s turbocharged four-cylinder by some widespread measurements. The I6 is exclusively immediate-injection (no hybrid/port-injection here) and the two I6 variants share 96 typical components, like the block and oil pan structure. The dissimilarities are identified in their internals, ingestion plumbing, valvetrain parts and the turbochargers them selves. Stellantis is not however all set to share specs or provider info for the turbos but suggests announcements will occur from its partners quickly. 

The normal-output I6 has a compression ratio of 10.4:1 and revs to 5,800 rpm. It will operate on regular gasoline, albeit with lowered general 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 just one will call for top quality.

The new I6’s advantages go further than fundamental electric power output. Every Hemi household motor at the moment in production is primarily based on an iron block layout, so they’re weighty. The aluminum-block I6 shaves weight off the whole engine package, even if some of that receives extra back thanks to the turbos and their involved plumbing. The normal-output I6 weighs 430 kilos, Stellantis engineers told us the large-output provides just a different 11. Entirely dressed 5.7-liter V8s are in the 550-560-pound ballpark, and 6.4-liters near in on 600 kilos. 

You may possibly be wondering, “Why a cleanse-sheet gasoline motor now, when the industry is transferring towards battery-electrics?” A valid inquiry, and one particular Stellantis was well prepared to tackle. Though the corporation will be pivoting to electrification above the future decade, it would not be instantaneous. This engine family was engineered with electrification (hybrid or plug-in) in mind, having said that Stellantis wouldn’t say when we will see those people hybrids. Consider of this as a bridge involving ICE and BEV.

In truth, the company’s propulsion staff stayed amazingly limited-lipped about what to count on in conditions of programs. In practical phrases, it will in shape anyplace the 3.6L Pentastar V6 or Hemi matches, delivered you are chatting about RWD platforms. For these who want to do their have measuring, the common output Hurricane steps 33.4 inches x 28.7 inches x 32.7 inches. The substantial-output checks in at 33.9″ x 29.” x 33.4″.

That stated, you should not anticipate Stellantis to get started chucking the 3.6-liter in favor of the 3.0TT in its mainstream automobiles. Just due to the fact it can suit would not indicate Stellantis will do it look how extended it took us to get a Hemi in a Jeep Wrangler. And never count on it to pop up in any Stellantis products developed overseas, possibly. This motor family was designed principally for North The usa only American-developed export versions will be in the operating for the time getting. 

We will not likely have to hold out extensive to obtain out particularly wherever it will surface. Stellantis last but not least confirmed rumors that the engine has been in output since November and suggests the very first goods to employ it will materialize within just a subject of months, not years. We are intended to see the initially just one — a Jeep, and the smart revenue is on the new extended-wheelbase Wagoneer — at the New York International Automobile Display in April. 

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