With filter change,
V-6: 6.3l or 6.65Qt.
V-8: 8.7l or 9.2 Qt.
The 2005 Porsche 911 has 24 valves.
The 2005 Porsche Cayenne has 24 valves.
The 2005 Porsche Boxster has 24 valves.
The 2005 Porsche Cayenne's engine produces 247 hp @ 6000 rpm.
The 2005 Porsche Boxster's engine produces 240 hp @ 6400 rpm.
Almost 6 quarts - 5.95
It may vary by year, but generally they take about 13 quarts of oil.
2 quarts
The gas tank on the 2005 Porsche Cayenne holds 26.4 gal..
The 2005 Porsche 911's engine produces 325 hp @ 6800 rpm.
The gas tank on the 2005 Porsche 911 holds 16.9 gal..
The gas tank on the 2005 Porsche Boxster holds 16.9 gal..