Jeep estimates that the new engine reduces 0-60 times by 2-3 seconds with either transmission, and when we took a Wrangler Sport manual to the track, we confirmed this estimate.

In 2012, the Wrangler overhaul is completed with a new, more powerful engine that is more efficient than its predecessor. The new 3.6-liter Pentastar V6 engine found on the 2012 Jeep Wrangler ...