The 2009 Honda Accord’s four-cylinder engine takes 5W-20 motor oil, and the engine holds about 4.4 quarts with a filter.
For the 2.4-liter four-cylinder in the 2009 Accord, Honda generally specifies a 5W-20 viscosity to balance fuel economy and protection across common driving conditions. You can use conventional, synthetic blend, or full synthetic oil, as long as it meets the appropriate API and ILSAC specifications. The oil capacity with a filter is roughly 4.4 quarts; always verify with the dipstick and the owner's manual for your exact setup, since variations can occur by market or trim.
Oil specifications for the 2.4L engine
Use oil that meets these minimum guidelines before purchasing:
- Viscosity: 5W-20
- Oil type: Conventional, synthetic blend, or full synthetic
- Specifications: API service SM or newer; ILSAC GF-4 or GF-5
- Capacity (with filter): About 4.4 quarts (4.2 liters); without filter about 4.0 quarts (3.8 liters)
Always verify the exact capacity and specification in your owner's manual, since market-specific variations can occur.
Summary: The 2009 Accord’s 2.4L four-cylinder uses 5W-20 motor oil, with an oil capacity around 4.4 quarts when replacing the filter. Oils meeting API/SN or newer and ILSAC GF-4/GF-5 standards are suitable, and you may choose conventional, synthetic blend, or full synthetic based on your preference and climate. Always consult the owner's manual or a Honda service professional for the exact requirements for your vehicle.