Video: 2011 versus 2012 Jeep Wrangler Drag Race Posted by Roman Mica - August 22, 2011 - Jeep The 2012 Jeep Wrangler finally gets a significant boost in power with the introduction of the 3.6L Chrysler Pentastar engine that puts out 285 horse power. The old 3.8L engine was only rated at 202 HP. So that obviously begs the question which Jeep Wrangler is the faster…the 2011 or the 2012? Check out this drag race video below to find out. Follow on twitter @TFLcar or watch latest car review videos on YouTube.