I also have a '13 JK Unlimited, I love driving it as much as the Camaro. Drove to San Diego last weekend and avg'd 20mpg, that's with 33x10.50's and a 4" lift. The Pentastar engine is awesome, feels like my buddy's 2010 JK 3.8 with a blower on it. I'd probably trade the Camaro in before the Jeep.