1999 Ford f250 fuel economy Source Source Source Source Source Source Source Source Source Source Read Also: 1999 Ford f250 v10 fuel economy 1999 Ford f250 4x4 super duty fuel economy 1999 Ford f250 diesel fuel economy 1999 Ford v10 fuel economy 1999 Ford f250 triton v10 mpg 1999 Ford f250 powerstroke mpg