According to the 2004 Ford Focus Owner Guide :
With engine oil filter change :
The 2.3 liter four cylinder engine takes :
( 4.3 liters / 4.54 U.S. quarts of 5W-20 )
Heat capacity charts for base oil
MegaStructures - 2004 Ultimate Oil Rigs 2-23 was released on: USA: 2005
• Approximate "maximum" oil pan capacity is 29.6 quarts (28 liters). • Approximate "minimum" oil pan capacity is 24.3 quarts (23 liters).
The Rub - 2004 2004-03-23 was released on: USA: 23 March 2004
The Rub - 2004 2004-11-23 was released on: USA: 23 November 2004
McEnroe - 2004 2004-07-23 was released on: USA: 23 July 2004
McEnroe - 2004 2004-09-23 was released on: USA: 23 September 2004
Dennis Miller - 2004 2004-09-23 was released on: USA: 23 September 2004
On-Air with Ryan Seacrest - 2004 2004-01-23 was released on: USA: 23 January 2004
On-Air with Ryan Seacrest - 2004 2004-02-23 was released on: USA: 23 February 2004
On-Air with Ryan Seacrest - 2004 2004-03-23 was released on: USA: 23 March 2004
On-Air with Ryan Seacrest - 2004 2004-04-23 was released on: USA: 23 April 2004