Average gas mileage 2002 nissan altima Source Source Source Source Source Source Source Source Source Source Read Also: Average gas mileage for a 2002 nissan altima Average mpg 2002 nissan altima Average gas mileage 2005 nissan altima Average gas mileage 2002 nissan maxima Average gas mileage 2002 nissan xterra Average gas mileage 1998 nissan altima