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It’s Unclear If It’s The High Output Or Standard Output Variant

2021 2022 2023 Jeep Grand Wagoneer Obsidian Series II First Drive Hemi V8 Tornado V6 Engine Mattheus Pach
Image copyright Mattheus Pach, Muscle Cars & Trucks.

Stellantis today pulled the sheet off the highly anticipated twin-turbo inline six, known publicly as the Hurricane engine. Internally, it’s known as the GME-T6 engine. And if you’re wondering which vehicle it will debut in first, Jeep has now given a quiet confirmation for this engine on the online configurator for the Grand Wagoneer. You can load up any trim level, and you’ll now see that there’s a new “engine upgrade” option that costs $2,000.

Jeep has since removed the option from the configurator, but Motor1 tipsters were able to snag the deets before they noticed. There isn’t much regarding the engine on the configurator, but we do get a photo that matches the official Hurricane Engine photos from Stellantis.

GME-T6 "Tornado" Engine Jeep Grand Wagoneer

GME-T6 Hurricane TTI6 Engine: Details

This new 3.0L TTI6 Hurricane engine will come in two output versions at launch: Standard Output (SO): which will offer more than 400 horsepower and 450 lb-ft of torque. The Standard Output GME-T6 will utilize cooled exhaust gas circulation (EGR- which we see on modern diesel engines) and is calibrated for maximum fuel economy in its applications; 15 percent more fuel efficient than a V8, according the the automaker. The second variant is a High Output (HO) engine, and is expected to deliver over 500 horsepower and 475 lb-ft of torque, and promises to deliver “significant” fuel economy performance while performing duties such as towing. A third variant is also rumored.

Stellantis confirms that the Hurricane twin-turbo I-6 is set to be the primary internal combustion power plant of the future in North America for vehicles using the STLA Large and STLA Frame platforms. With the new 3.0L Hurricane twin-turbo I-6 also comes a bit of streamlining. Stellantis confirms that it’s based on a modular engine architecture, and shares bore/stroke and cylinder spacing with the existing 2.0L turbocharged four cylinder, also nicknamed Hurricane. This engine can currently be found in multiple Jeep models, including the JL Wrangler, Wrangler 4xe, Cherokee and recently launched Grand Cherokee 4xe.

Written by Zac Quinn

Zac's love for cars started at a young age, after seeing the popular Eleanor from Gone In 60 Seconds. From there, fascination and enthusiasm blossomed and to this day the Ford Mustang remains a favorite. His first job started out detailing cars, but also provided the opportunity to work on restoration including an 1968 Ford Mustang, Pontiac Firebird, and a C3 Corvette, though he left that job before further work and experience could be had. From there, he was a detailer at a car dealership before quitting that job to try and finish college.

Much of his free time while studying was spent watching YouTube videos regarding new cars, or off-roading. 4WD247 is a personal favorite channel which rekindled a dying flame in car enthusiasm, now tailored towards trucks and SUVs and the fun that can be had building up an overlanding rig, and going on adventures, though, that chapter remains unwritten for the time being.

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