Most likely you have a gasket breach (leak) where a gasket seperates a coolant path from an oil path. This is usually in the head of an engine. Do a cylinder compression check.
coolant capacity for the 96 Saturn SC2 is 7 quarts, almost 2 gallons.
I have a 96 Saturn sl2 with 160k going thru 1 qt of oil per week. What can I do to stop it?
4.0 QTS
On the bottom right of the engine.
5 quarts.
5w30
97 SL2 does not have a change oil light. Only the red oil indicator which means you have a serious problem
Oil capacity for your 1999 Saturn DOHC 4-cylinder motor is 4 Quarts of oil
4 quarts with filter change
See link below
4.25 quarts of oil including oil filter
5W30