What oil does a 2015 Honda Civic take?
Most 2015 Civics with the 1.8-liter engine use 0W-20 synthetic oil. The Civic Si, which employs a 2.4-liter engine, typically uses 5W-30 synthetic. Always verify the exact specification in your owner's manual or on the under-hood label for your trim and market.
Engine options in the 2015 Civic
The 2015 Civic lineup in many markets centered on two gasoline engines. The standard trims run the 1.8-liter i-VTEC, while the high-performance Si uses the 2.4-liter engine. Oil recommendations differ by engine, so identifying your motor is essential.
- 1.8-liter i-VTEC inline-4 (found in LX, EX, EX-L and other non-Si trims) — recommended oil: 0W-20 synthetic; API SN or newer; typical capacity with filter: about 3.7 quarts (roughly 3.5 liters).
- 2.4-liter i-VTEC inline-4 (Civic Si) — recommended oil: 5W-30 synthetic; API SN or newer; typical capacity with filter: roughly 4.2–4.7 quarts (varies by market).
Oil capacities can vary slightly by model year, market and whether the vehicle has additional equipment. Always consult the exact specification in your owner's manual.
Oil grade and capacity specifics
To summarize common guidance for the 2015 Civic models:
- 1.8L engine: 0W-20 synthetic oil; about 3.7 quarts (including a filter).
- Si 2.4L engine: 5W-30 synthetic oil; roughly 4.2–4.7 quarts (including a filter).
Verify the exact figure and recommended oil type in the owner’s manual or the information sticker inside the fuel filler door or engine compartment, as regional variations can apply.
Climate and maintenance tips
0W-20 is chosen for fuel efficiency and cold-start performance in most regions. If you operate in extreme heat or heavy driving conditions, follow Honda’s guidance in the manual, and ensure you’re using a full synthetic oil meeting API SN or newer.
Summary
For the 2015 Honda Civic, use 0W-20 synthetic oil for the 1.8-liter engine and 5W-30 synthetic oil for the Civic Si’s 2.4-liter engine. Always confirm the official specification and capacity for your trim and region in the owner’s manual or on the vehicle’s label.
