For the 2003 Honda Accord, oil capacity depends on engine type: about 4.5 quarts for the 2.4-liter four-cylinder, and about 5.0 quarts for the 3.0-liter V6.
In practice, the two engines used in that model year vary in capacity and the exact amount can depend on oil filter size and whether the oil is drained completely. Always verify with the owner's manual and perform a proper fill to the correct level on the dipstick.
Engine configurations and oil capacities
Below are the typical oil capacities for the two engines offered in the 2003 Accord. Use these figures as a guide, but confirm with official documentation for your specific vehicle.
- 2.4 L inline-4 engine: 4.5 quarts (with filter)
- 3.0 L V6 engine: 5.0 quarts (with filter)
Note: Oil capacities are given with the oil filter installed. If you are not changing the filter, capacities may differ slightly. Always fill to the correct level after installation using a reliable dipstick check.
Summary
The 2003 Honda Accord requires 4.5 quarts of oil for the 2.4L engine and about 5.0 quarts for the 3.0L engine, with the exact amount depending on oil filter size and drain method. Confirm with the owner's manual and check the dipstick after filling.