Open the owners manual you received when you bought the vehicle. In that manual you will find the manufactures recommendation on how often to change the oil/filter and the correct weight of oil to use.
5.5 quarts with oil/filter change.
5 quarts for a 1999 Toyota Tacoma 4 cylinder.
5 quarts with oil/filter change.
5 quarts with oil/filter change.
5.5 quarts with oil/filter change.
Call Japan and ask them.
5 quarts of oil when you change the filter also.
5.5 Quarts with oil/filter change.
5 quarts on the 4 cylinder and 5.5 on the V6 with oil/filter change.
If you are asking this question, you need to take it to a shop and let them do it. My 12 year old knows how to change oil and filters.
5.5 Quarts with filter change.
5.5 Quarts with filter change.