How Much Oil Does Your Subaru Forester Need? A Maintenance Guide
Oil Capacity by Model Year
The amount of oil your Subaru Forester holds depends on which year your vehicle was made. Knowing the right capacity helps you maintain your engine properly.
2009–2012 Foresters: These models typically hold about 4.2 quarts of oil with a filter change.
2013–2017 Foresters: These generations also hold approximately 4.2 quarts with a filter change.
2018–2024 Foresters: Newer models hold about 4.3 to 4.5 quarts depending on the specific engine type.
Always check your owner's manual for your exact model year, as engine type and configuration can affect capacity.
Understanding Oil Types for Your Forester
Subaru recommends different oil types based on your climate and driving conditions. The right oil keeps your engine running smoothly.
Synthetic vs. Conventional: Many Foresters run well on conventional oil, but synthetic oil can last longer between changes. Synthetic oil is often recommended for newer models or if you drive in extreme temperatures.
Oil Viscosity: Viscosity refers to how thick or thin the oil is. Most Foresters use 0W-20 or 5W-30 oil. The numbers tell you how the oil flows in cold and hot conditions. Your owner's manual will specify which viscosity your engine needs.
How to Check and Change Your Oil
Regular oil checks help prevent engine damage.
Checking the level: Park on level ground, wait a few minutes after running the engine, then pull out the dipstick. Wipe it clean, reinsert it fully, then pull it out again to read the level. The oil should be between the minimum and maximum marks.
Changing your oil: Oil changes typically involve draining old oil, replacing the filter, and adding the correct amount of fresh oil. Many owners do this themselves, while others take their vehicle to a mechanic.
Maintenance Intervals
How often you change your oil depends on the type you use and your driving habits.
Conventional oil often needs changing every 3,000 to 5,000 miles. Synthetic oil can go longer—sometimes 7,500 to 10,000 miles or more. Check your owner's manual for Subaru's specific recommendations for your model year.
Regular oil maintenance helps your Forester run efficiently and can extend engine life.