For the 2008 Honda Accord, the oil you need depends on the engine. The four-cylinder models use 5W-20, while the 3.0L V6 uses 5W-30. Both should meet current API standards and Honda specifications.
The 2008 Accord was offered with two engines: a 2.4-liter inline-four and a 3.0-liter V6. The recommended viscosity varies by engine and climate; the four-cylinder typically calls for 5W-20, while the V6 uses 5W-30. Synthetic oil is acceptable and often recommended for longer intervals, but always use an oil that meets API SN or newer and Honda's specifications. Oil capacity depends on engine and whether the filter is included; consult the owner's manual for exact quantities and use the dipstick to confirm when topping up.
Engine-specific oil requirements
The following options apply to the two engines offered in 2008 Accords.
- 2.4L inline-4 engine — Recommended viscosity: 5W-20 for normal driving. 5W-30 may be used in hot climates or under severe driving conditions. Use API SN or newer oil, and you can choose conventional or synthetic (Honda-approved synthetic is common). Approximate oil capacity with filter: about 4.4–4.5 quarts.
- 3.0L V6 engine — Recommended viscosity: 5W-30. Use API SN or newer; synthetic or conventional acceptable. Approximate oil capacity with filter: about 5.5 quarts.
Always verify the exact capacities and viscosity recommendations in your owner’s manual or on the vehicle’s oil-fill label, and use the dipstick to ensure the correct oil level after a change.
Other considerations
Climate and driving conditions can influence viscosity choice. Honda typically promotes 5W-20 for most engines, with 5W-30 reserved for hotter climates or heavier loads. For long-term reliability, many owners opt for synthetic oil, especially if their driving includes frequent short trips or extreme temperatures. Regular oil changes and using the correct oil grade help maintain engine performance and fuel efficiency.
Summary
Bottom line: for a 2008 Honda Accord, use 5W-20 oil for the 4-cylinder models and 5W-30 for the 3.0L V6, following current API standards and Honda specifications. Confirm exact capacity and any climate considerations in the owner's manual and adhere to suggested service intervals for best performance.