The 2006 Ford Expedition is available as a 4-door, 5-seat sport utility. Starting at $38,775, the 2006 Ford Expedition Eddie Bauer (310A) 4x2 is powered by a 5.4L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 19-mpg on the highway. The top of the line 2006FordExpeditionSpecial Service Vehicle (930A) 4x4 , priced at $ 34,095 , is powered by a 5.4L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 17-mpg on the highway.