The 2005 Honda Accord V6 normally requires SAE 5W-20 motor oil that meets API certification. It can be conventional or synthetic as long as it meets the specified standard.
Oil specifications for the 2005 Accord V6
To guide your selection, consider the key criteria below when purchasing oil for this engine.
Before listing the criteria, here are the main points to evaluate when choosing oil for this car:
- Viscosity: The standard recommendation is SAE 5W-20. In some climates or circumstances, a 5W-30 option may be acceptable if your owner's manual permits it, but 5W-20 is the default for this engine.
- Certification: Look for oil that is API certified and ILSAC rated (newer specifications such as API SN/SM and ILSAC GF-5 or newer are acceptable).
- Oil type: Both conventional and synthetic oils are acceptable as long as they meet the above viscosity and certification requirements.
- Brand and filter compatibility: Use a reputable brand and a filter approved for Honda engines to ensure proper performance and filtration.
In practice, the key takeaway is to use a 5W-20, API-certified motor oil, with either conventional or synthetic formulation, and ensure the oil and filter meet the manufacturer's specifications.
Summary
For a 2005 Honda Accord V6, the standard oil is SAE 5W-20 meeting API certification. You can choose conventional or synthetic oil as long as it meets the spec, and you should follow your owner's manual for any climate-related allowances or exact maintenance intervals.