AUGUST 22, 2011: The 2012 Jeep Wrangler is hitting the dealerships now, but unless you take the test drive, you may not immediately notice the difference from the 2011. The 2012 Wrangler is now powered by the aluminum block 3.6-liter Pentastar V-6 and that alone is an improvement worth noting. Horsepower? 40% more, now at 285… Continue reading 2012 Jeep Wrangler – NEW Pentastar Motor Changes Everything!