The 2018 Honda Accord requires different oil quantities depending on the engine. The 1.5-liter turbo uses about 4.4 quarts, while the 2.0-liter turbo uses about 5.1 quarts, and both require a new oil filter. Use synthetic 0W-20 oil unless your manual specifies otherwise.
Oil capacity specifications vary by engine and configuration. The figures below reflect common factory guidance for the two engines offered in the 2018 Accord and are intended for standard oil changes with a new filter. Always verify exact capacity in your owner’s manual or on the engine oil-fill label under the hood.
Engine options and oil capacities
1.5-liter turbocharged engine (L15B7)
The 1.5L turbo’s oil capacity is approximately 4.4 quarts with a new oil filter installed.
Key figures for this engine before you begin an oil change:
- Capacity (with filter): approximately 4.4 quarts
- Recommended oil: synthetic SAE 0W-20
- Oil type/approval: Honda-approved 0W-20 meeting API SN or ILSAC GF-5 standards
When performing an oil change, pour in about 4.4 quarts, then check the level with the dipstick and add small amounts as needed to reach the correct mark.
2.0-liter turbocharged engine (K20C1)
The 2.0L turbo’s oil capacity is approximately 5.1 quarts with a new oil filter installed.
Key figures for this engine before you begin an oil change:
- Capacity (with filter): approximately 5.1 quarts
- Recommended oil: synthetic SAE 0W-20
- Oil type/approval: Honda-approved 0W-20 meeting API SN or ILSAC GF-5 standards
For the 2.0L turbo, expect to add about 5.1 quarts, then check the dipstick and adjust as needed to reach the proper level.
Summary
In short, a 2018 Honda Accord requires different oil quantities based on the engine: about 4.4 quarts for the 1.5L turbo and about 5.1 quarts for the 2.0L turbo, both with a new filter. Use synthetic 0W-20 oil and verify the final level with the dipstick after refilling.