The 2007 Isuzu i-370 is available as a 4-door, 4-seat regular side. Starting at $27,358, the 2007 Isuzu i-370 4x4 Crew Cab is powered by a 3.7L , 5 -cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway. The top of the line 2007Isuzui-3704x2 Extended Cab , priced at $ 21,078 , is powered by a 3.7L , 5 - cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 23-mpg on the highway.