The 2018 Jeep Wrangler JK is available as a 2-door, 4-seat sport utility. Starting at $23,995, the 2018 Jeep Wrangler JK Sport is powered by a 3.6L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 17-mpg in the city and 21-mpg on the highway. The top of the line 2018JeepWrangler JKRubicon , priced at $ 33,645 , is powered by a 3.6L , 6 - cylinder engine mated to a manual transmission that returns an EPA estimated 17-mpg in the city and 21-mpg on the highway.