According to the 1997 Ford Ranger Owner Guide :
With engine oil filter change :
The 2.3 litre four cylinder engine takes ( 5.0 U.S. quarts of 5W-30 )
With engine oil filter change ( 5 quarts of engine oil )
For the 3.0 liter V6 engine in a 1999 Ford Ranger , with engine oil filter change : ( 4.5 quarts ) according to the Owner Guide
The 2003 Ford Ranger owners manual shows : ( 4.5 quarts with filter change ) for the 3.0 L - V6 engine
According to the owners manual , the 2000 Ford Ranger 3.0 L engine takes 4.5 quarts (4.3 liters) of engine oil WITH FILTER CHANGE
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 )
On a 2005 Ford Ranger : With engine oil filter change : The 2.3 liter four cylinder engine ( takes 4.0 quarts ) The 3.0 liter V6 engine ( takes 4.5 quarts ) The 4.0 liter V6 engine ( takes 5.0 quarts )
it takes 4.5 quarts of oil
The 2008 Ford Ranger owners manual shows ( 5 quarts ) of engine oil ( 5 W - 30 ) WITH FILTER CHANGE
For a 1992 Ford Ranger , 2.9 V6 : With engine oil filter change : ( I believe that is 5.0 US. quarts )
According to the 1999 Ford Ranger Owner Guide : With engine oil filter change ( 4.5 quarts of engine oil ) for your 2.5 liter 4 cylinder
( 4 quarts ) with engine oil filter change for the 2.3 liter DOHC 4 cylinder engine in a 2005 Ford Ranger , according to the Owner Guide
According to the 1999 Ford Ranger Owner Guide : For the 3.0 liter V6 engine : With engine oil filter change : ( 4.5 U.S. quarts of 5W-30 )