* Engine Variations: There could be different engine variations within the 1.8L 4-cylinder model year for the 2000 Lancer.
* Oil Type: Different oil types (conventional, synthetic, etc.) can have slight variations in their volume.
* Oil Filter: Replacing the oil filter also removes a small amount of oil.
How to Find the Correct Oil Capacity:
1. Check Your Owner's Manual: This is the most reliable source of information. Look for a section on engine oil and maintenance.
2. Look at the Oil Dipstick: The dipstick will usually have markings indicating the "full" and "low" levels.
3. Consult a Mechanic: If you can't find the information in your manual, ask a mechanic at a trusted repair shop.
General Oil Change Tips:
* Always use the correct oil type and viscosity. This information is in your owner's manual.
* Don't overfill the engine. Overfilling can cause engine damage.
* Check the oil level regularly.
* Change your oil according to the manufacturer's recommendations.
Let me know if you have any other car-related questions!