According to the 2013 Ford Explorer Owner Guide : ( 18.6 U.S. gallons )
The gas tank on the 2013 Ford Fusion holds 16.5 gal..
The gas tank on the 2013 Ford Taurus holds 19.0 gal..
The gas tank on the 2013 Ford Expedition holds 28.0 gal..
The gas tank on the 2013 Ford Escape holds 15.1 gal..
The gas tank on the 2013 Ford Focus holds 12.4 gal..
The gas tank on the 2013 Ford Fiesta holds 12.4 gal..
The gas tank on the 2013 Ford Mustang holds 16.0 gal..
The gas tank on the 2013 Ford Explorer holds 18.6 gal..
The gas tank on the 2013 Ford Edge holds 18.0 gal..
According to the 2013 Ford Edge Owner Guide : Front wheel drive ( 18.3 U.S. gallons ) All wheel drive ( 19.2 U.S. gallons )
The gas tank on the 2013 Ford F-150 holds 26.0 gal.