For a 2006 Ford Explorer :
With engine oil filter change :
The 4.0 liter V6 takes ( 5.0 U.S. quarts of 5W-30 )
The 4.6 liter V8 engine takes ( 6.0 U.S. quarts of 5W-20 )
According to the Owner Guide
The 2006 Ford Explorer has 12 valves.
According to the 2006 Ford Explorer Owner Guide : For the 4.6 litre V8 engine : With engine oil filter change : ( 6.0 U.S. quarts of 5W-20 engine oil )
5.0 quarts
With engine oil filter change : The 4.0 liter V6 engine takes ( 5 quarts ) The 4.6 liter V8 engine takes ( 6 quarts )
5 quarts with filter change
The 2006 Ford Explorer's engine produces 210 hp @ 5100 rpm.
V6 ENGINE 5.0 Quarts V8 ENGINE 6.0 Quarts
About 10 quarts
4.7L (5.0 quarts)
5 quarts with engine oil filter change
5.0 quarts , with engine oil filter change
5 quarts with engine oil filter change