I actually own one of these, and I think it has a total of six, two on the front doors, two on the rear doors, and two on the panel just behind the the rear doors.
The Excursion has 6 speakers total and they are each 6x8's. Hope that helps.
all speakers in the vehicles are 6:9's
According to the 2004 Ford Excursion Owner Guide : ( 44.0 U.S. gallons )
12
9
they are one and the same
The 2004 Ford Excursion wheelbase is ( 137 inches )
2005 was the last model year for the Ford Excursion
( The 2000 ) was the first model year of the Ford Excursion
44 U.S. gallons
16
My Ford Excursion is equipped with a V10 and has 4 wheel drive and gets exactly 7 miles to the gallon in the city.