According to the 2008 Ford F-150 owners manual :
With engine oil filter change :
The 4.2 liter V6 engine and the 4.6 liter V8 engine take ( 6.0 U.S. quarts )
The 5.4 liter V8 engine takes ( 7.0 U.S. quarts )
It takes 6.4 qts. with filter change, 6.0 qts without filter.
7 quarts with the filter. If you dont change the filter 6 quarts
2008 GXSR 1000 takes 3.2 quarts of oil, this includes the oil used to fill the filter before installing.
4.5 quarts with oil/filter change.
According to the 2008 Mercury Mariner Owner Guide : With engine oil filter change : The 2.3L four cylinder takes ( 4.5 U.S. quarts of 5W-20 ) The 3.0L V6 ( 6.0 quarts of 5W-20 )
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 )
5 Quarts (4.8 without filter)
5 and 1/2 quarts if the filter is empty.
The 2008 Ford Ranger Owner Guide shows : With engine oil filter change : The 2.3 liter four cylinder engine takes ( 4.0 quarts of 5W-20 ) The 3.0 liter V6 engine takes ( 4.5 quarts of 5W-20 ) The 4.0 liter V6 engine takes ( 5.0 quarts of 5W-30 )
According to the 2008 Ford Escape Owner Guide : With engine oil filter change : The 2.3 liter four cylinder engine takes ( 4.5 U.S. quarts of 5W-20 ) The 3.0 , V6 ( 6.0 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 )
For the oil it holds 6 quarts with oil/filter change.