4.5 gallons with filter. Check the oil level after refueling.
What kind of oil does a 2007 Lancer require?
According to user reports, the Mitsubishi Lancer (2000-2007) model has an engine oil capacity of about 3.3 liters and a transmission oil capacity of about 2.5 liters for manual models and about 7.1 liters for CVT models.