The 2007 Dodge Grand Caravan is available as a 4-door, 2-seat cargo van. Starting at $21,240, the 2007 Dodge Grand Caravan Cargo is powered by a 3.3L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway. The top of the line 2007 Dodge Grand Caravan SXT Passenger, priced at $27,775, is powered by a 3.8L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 25-mpg on the highway.