If in good running condition and well mainttaned they should be 18 to 23 city mpg . 22-27 highway , just make sure you keep up wuth maintance to keep those number high.
2004 Dodge Caravan averages between 17 - 23 mpg depending on engine displacing 2.4 liter up to 3.8 liter available with 3 or 4-speed automatic transmission in AWD or 2WD.
