The 2011 Jeep Wrangler Unlimited is available as a 4-door, 5-seat sport utility. Starting at $25,545, the 2011 Jeep Wrangler Unlimited Sport is powered by a 3.8L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 15-mpg in the city and 19-mpg on the highway. The top of the line 2011JeepWrangler Unlimited70th Anniversary , priced at $ 31,370 , is powered by a 3.8L , 6 - cylinder engine mated to a manual transmission that returns an EPA estimated 15-mpg in the city and 19-mpg on the highway.