According to the 2008 Ford F-150 Owner Guide :
With engine oil filter change :
The 4.2 liter V6 and the 4.6 liter V8 take ( 6 quarts )
The 5.4 liter V8 takes ( 7 quarts )
6.1 quarts
5
The 2008 Ford Ranger owners manual shows ( 5 quarts ) of engine oil ( 5 W - 30 ) WITH FILTER CHANGE
With engine oil filter change : V6 / 5 quarts V8 / 6 quarts According to the 2008 Ford Mustang Owner Guide
According to the 2008 Ford Focus Owner Guide : With engine oil filter change : The 2.0 litre four cylinder engines take ( 4.5 U.S. quarts of 5W-20 )
According to the 2008 Ford F-250 diesel supplement : With engine oil filter change : ( 15.0 U.S. quarts )
According to the 2008 Ford Focus Owner Guide : With engine oil filter change : The 2.0 litre four cylinder engines take ( 4.5 U.S. quarts )
7 quarts
According to the 2008 Ford Ranger Owner Guide : For the 3.0 litre V6 engine : With engine oil filter change : ( 4.5 U.S. quarts of 5W-20 engine oil )
5.5 quarts
According to the 2008 Ford Fusion Owner Guide ( for North America ) With engine oil filter change : The 2.3 liter four cylinder engine takes ( 4.5 U.S. quarts )
4 quarts