Impressive power, incredible torque and a 6. 4l hemi® v8 engine. Off road, the wrangler rubicon 392 delivers the legendary capability jeep is renowned for. The push of a button maximizes the jeep wrangler rubicon 392’s tractive capabilities. Schedule a test drive. The only wrangler with a 6. 4l hemi® v8 engine. 2022 jeep® wrangler fact sheet. December 20, 2021, auburn hills, mich. 470 hp / 470 lb ftengine: Crushing it on road and off. 2022 jeep wrangler unlimited rubicon 392 | photo: Let’s say the wrangler is matched in speed on paved roads. If so, there’s a 99. 9999% chance that the moment tarmac is replaced by gravel, the story will change.