The auto parts store tonight sold me 4 quarts for the oil change... Optima 2001 4 banger...
The actual amount of oil needed for an 1999 - 2003 Optima 4 cyl. is 4.5 qts. and 4.75 qts. for the V6. They use the same size oil filter.
The gas tank on the 2005 Kia Optima holds 17.2 gal..
The gas tank on the 2004 Kia Optima holds 17.2 gal..
The gas tank on the 2006 Kia Optima holds 17.2 gal..
The gas tank on the 2003 Kia Optima holds 17.2 gal..
The gas tank on the 2014 Kia Optima holds 18.5 gal..
The gas tank on the 2009 Kia Optima holds 16.4 gal..
The gas tank on the 2010 Kia Optima holds 16.4 gal..
The gas tank on the 2001 Kia Optima holds 17.2 gal..
The gas tank on the 2008 Kia Optima holds 16.4 gal..
The gas tank on the 2007 Kia Optima holds 16.4 gal..
The gas tank on the 2002 Kia Optima holds 17.2 gal..
The gas tank on the 2012 Kia Optima holds 18.5 gal..