The 2011 Nissan Murano CrossCabriolet is available as a 2-door, 4-seat sport utility. Starting at $46,390, the 2011 Nissan Murano CrossCabriolet Base is powered by a 3.5L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 22-mpg on the highway.