The 2018 Mitsubishi Outlander with the 2.4-liter engine typically takes about 4.8 quarts (roughly 4.5 liters) of engine oil when performing a standard change with a new filter. If you do not replace the oil filter, the capacity is slightly lower, around 4.4 quarts (about 4.2 liters). Always verify with the owner's manual and check the dipstick after filling.
Oil capacity specifics
For most U.S.-market Outlanders powered by the 2.4 L engine, the official capacity is commonly listed as 4.8 quarts (4.5 liters) with a filter. When the filter is not changed during the oil change, the capacity is typically about 4.4 quarts (4.2 liters).
Details below break down the capacity figures you should expect under common maintenance scenarios. Note that exact numbers can vary by region, engine variant, and service procedure.
- With a new oil filter: approximately 4.8 quarts (4.5 liters)
- Without changing the oil filter: approximately 4.4 quarts (4.2 liters)
During an oil change, start by adding oil to approach the upper end of the range, run the engine briefly, turn it off, wait a few minutes, and recheck the level with the dipstick. Add more oil in small amounts until the dipstick reads near the full mark.
Market variations and practical tips
Oil capacity can vary slightly by market, engine variant, or maintenance practices. Always consult the specific owner’s manual for your VIN or check Mitsubishi service Bulletins if you’re operating outside the usual market configuration. Using the recommended viscosity (commonly 0W-20 in many regions) and the correct capacity ensures optimal lubrication and engine longevity.
Why it matters and how to apply the figure
Knowing the exact oil capacity helps you avoid underfilling or overfilling, both of which can affect engine performance and longevity. By following the standard capacity with a new filter and carefully topping up to the full mark on the dipstick, you maintain proper oil pressure and lubrication for the 2.4 L engine in the 2018 Outlander.
Summary: The 2018 Outlander 2.4 L generally requires about 4.8 quarts (4.5 liters) of oil with a new filter, and about 4.4 quarts (4.2 liters) if the filter isn’t changed. Always confirm against your manual and VIN-specific specifications, and verify the level with the dipstick after a change.


