The 2021 Jeep Wrangler 4xe marries WWII handling with 50 mpg efficiency Posted incar reviewCarsJeepJeep Wrangler 4xePHEVplug-in hybridplug-in hybrid EVSUV Posted byJonathan M. Gitlin 08/31/2021 It’s a handful on the road, but it’s also the only plug-in off-roader for now.