The 2011 Dodge Grand Caravan is available as a 4-door, 2-seat cargo van. Starting at $23,995, the 2011 Dodge Grand Caravan Express Passenger is powered by a 3.6L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 25-mpg on the highway. The top of the line 2011 Dodge Grand Caravan Cargo, priced at $21,800, is powered by a 3.6L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 25-mpg on the highway.