The 2018 Honda Civic with the 1.5-liter turbo engine requires about 3.4 quarts of engine oil with the filter, using 0W-20 synthetic oil.
This capacity reflects a full oil change with a new filter and is the standard specification for the 1.5L turbo Civic. Always verify the exact amount with your owner's manual and recheck the level on the dipstick after adding oil.
Oil capacity and specification
The 2018 Civic 1.5L turbo uses 0W-20 synthetic oil. The total capacity with a new filter is 3.4 quarts (3.2 liters). For a complete change, plan to add about 3.4 quarts and then confirm the level on the dipstick, topping up if needed.
Do-it-yourself oil change checklist
To help you perform the change, gather the right tools and follow safe steps in order.
- Materials: 0W-20 synthetic oil that meets Honda specification, a new oil filter, a drain pan large enough to hold about 3.5 quarts, a funnel, a socket wrench for the drain plug, and cleaning rags.
- Capacity reference: About 3.4 quarts (3.2 liters) of oil with the filter. Keep a little extra on hand in case you need it after draining.
- Steps to take: Warm the engine, secure the vehicle on level ground, drain the old oil, replace the oil filter, reinstall the drain plug, refill with the recommended amount, and recheck the level with the dipstick.
- Safety and disposal: Ensure the engine is cool, use gloves if desired, and recycle the used oil at an approved facility.
After completing the oil change, allow the oil to settle briefly and then check the dipstick. If the level is near the full mark, you’re in good shape; if it’s a bit low, add a small amount and recheck.
Summary
Bottom line: The 2018 Honda Civic 1.5L turbo holds roughly 3.4 quarts of engine oil when performing a full change with a new filter, using 0W-20 synthetic oil. Always verify the level with the dipstick after filling and consult the owner's manual for any model-year nuances.


