This time around, Jeep is being much more cautious with how it introduces its new Hurricane engine. 2027 Jeep Grand Cherokee Trailhawk StellantisThe added 35 PSI of boost from the variable geometry turbo goes a long way in this application for a few reasons. 2026 Jeep Grand Cherokee Summit JeepOn paper, the Hurricane 4-cylinder crushes the Pentastar V6 in every category. 2026 Jeep Grand Cherokee JeepThe Hurricane 4 was built to do more with less. Other models still employing the Pentastar V6 in 2026 are the Wrangler, Gladiator, Ram 1500, Dodge Durango and Chrysler Pacifica.