For a 2001 Toyota SIENNA it is 5 US quarts, for a 20001, I am not sure they will be made that year.
The 2007 Toyota Sienna engine oil capacity is for quarts. The manufacturer recommends that you never overfill the engine oil.
6.5
6.4 quarts on a 3.5 litre
The owners manual states the capacity is 4.7 litres, including new oil filter.
The Owners Manual says its 5 quarts.
The type of oil used in a 2011 and 2012 Toyota Sienna is the synthetic 0W-20.
What type of oil should be used for a 2003 Toyota sienna xle
5 30w of any kind of oil you like. This is from my 2001 Toyota Sienna Le manual book
5w30
take it to the dealership...
5W-30 is on the cap of my 2006 Sienna Limited
Bottom of the engine on the oil pan.