I have a 2003 ford explorer with a 20 gal tank that gets maybe 15 mpg so I'm spending about 300 on gas a month I am looking for a new SUV n a SUV cause I need 4 wheel drive ( scared of snow) I need help with suggestions on good milage on SUVs or maybe a car that has 4wheel drive a couple models with known avg miles would b good thanks for the help!