The 97 to 02 series 2 wheel drive models had the 26 and 4 wheel drive models had the 30 gallon.
28 gallons 28 gallons
( 28.0 gallons ) according to the 2005 Ford Expedition Owner Guide
( 28 ) U.S. gallons
28 gallons
If my 1999 Consumer Guide book is correct, the 1999 Ford Expedition holds 26 U.S. gallons.
According to the 2008 Ford Expedition Owner Guide : The fuel tank holds ( 28.0 U.S. gallons )
28 on average
The fuel tank holds 28 US gallons
( 26 gallons ) 4X2 with standard suspension ( 30 gallons ) 4X2 with air suspension ( 30 gallons ) 4X4 On 1997 to 2002 Ford Expedition
The gas tank on the 2005 Ford Expedition holds 28.0 gal..
The gas tank on the 2004 Ford Expedition holds 28 gal..
The gas tank on the 2009 Ford Expedition holds 28.0 gal..