The 2010 Accord’s four-cylinder engine requires 5W-20 motor oil, and you can use either conventional or synthetic oil that meets Honda’s API specifications.
In more detail, the 2.4-liter i‑VTEC engine uses 5W-20 as the standard grade for most operating conditions, with an approximate total oil capacity of about 4.5 quarts, including the filter. Oils that meet API SN or newer and ILSAC GF-5 (or newer) are compatible. Both conventional and fully synthetic formulations are acceptable, provided they carry the correct spec. Always consult the owner’s manual for climate-specific guidance and service intervals.
Oil grade and specifications
The following points summarize the official recommendations for the Accord’s 4-cylinder engine:
Here are the key facts you need to know about the oil for this model:
- Viscosity: 5W-20 is the standard grade for normal operation across typical climate ranges.
- Type: Conventional, synthetic blend, or full synthetic oil may be used, as long as it meets API SN (or newer) and ILSAC GF-5 (or newer) specifications.
- Capacity: Approximately 4.5 quarts of oil, plus a filter, with minor variation by engine variant and filter type.
- Change interval: With synthetic oil you can typically reach up to about 7,500 miles between changes; with conventional oil, 3,000–5,000 miles is common, depending on driving conditions and manual guidance.
In short, use a 5W-20 oil that meets API SN or newer and ILSAC GF-5, and choose a maintenance schedule that matches your oil type and driving habits.
Practical maintenance tips
If you’re unsure about which specific brand or blend to choose, start with a reputable brand that lists API SN or newer and ILSAC GF-5 on the bottle, and confirm it’s suitable for a gasoline engine. Keep receipts and maintenance logs, and always replace the oil filter with every drain. For extreme climates or heavy driving, consult a Honda dealer or a trusted mechanic for advice tailored to your environment.
Summary
Bottom line: The 2010 Honda Accord 4-cylinder takes 5W-20 motor oil, usable in conventional or synthetic forms as long as the oil meets API SN (or newer) and ILSAC GF-5 specifications. The engine’s oil capacity is about 4.5 quarts, and follow the maintenance interval that matches your oil type and driving conditions—roughly 3,000–5,000 miles for conventional oil and up to about 7,500 miles with synthetic.


