The Wagoneer should offer a plug-in hybrid option
Jeep gave the Grand Wagoneer concept an unspecified plug-in hybrid powertrain, which suggests the production model should offer that as an option — eventually, if not right at launch. Our best bet would be the unit from the Wrangler 4xe, which puts out 375 horsepower and 470 lb-ft of torque in that off-roader