http://AutoworldDodge.com 888-377-7193 Introducing the 3.6L Pentastar V6 engine in the 2012 Jeep Wrangler rated at 17 city and 21 hwy mpg. Jeep brand engineers boosted fuel efficiency 10 percent. Gone are the days of giving up performance for fuel efficiency to enjoy the ride that much more. Significant value with all the upgrades and no significant increase in price.