The 2018 Honda Accord 1.5 Sport requires 0W-20 synthetic motor oil, and the engine holds about 3.7 quarts (3.5 liters) with the oil filter.
This turbocharged 1.5-liter engine is designed to run on a low-viscosity synthetic oil to optimize fuel economy and cold-start performance. Using a different viscosity or non-synthetic oil can affect lubrication, performance, and warranty coverage. Always refer to the owner’s manual for the exact specification and follow the recommended maintenance intervals.
Oil specifications and capacity
Official specifications cover viscosity, certification and the engine oil capacity for the 1.5L turbo engine in the 2018 Accord.
Viscosity and certification
Honda specifies 0W-20 viscosity, with oils meeting API SN or newer standards and Honda's performance specs. Use full synthetic or a high-quality synthetic blend that meets these requirements.
Capacity
The 1.5L engine holds about 3.7 quarts (3.5 liters) of oil when replacing the filter. After an oil change, check the dipstick and add more if needed to reach the full mark.
Practical options and considerations
To help you select a suitable product, here are common oil options and guidance for this engine.
Common 0W-20 synthetic oils that meet Honda specs include below. (List of options follows)
- Honda Genuine 0W-20 Synthetic
- Mobil 1 Extended Performance 0W-20
- Castrol EDGE 0W-20 Advanced Synthetic
- Pennzoil Platinum Full Synthetic 0W-20
- Liqui Moly 0W-20 Special Synthetic
All oils should be labeled 0W-20, synthetic or synthetic blend, and meet API SN or newer and be compatible with Honda engines. Using the right oil helps maintain fuel economy and engine protection.
Maintenance intervals
Oil-change intervals depend on driving conditions and the owner's maintenance minder. For normal driving, Honda typically recommends an oil change every 7,500 miles, while more frequent changes (around 3,750 miles) may be advised under severe service, such as frequent short trips, extreme temperatures, or heavy loading. Always reset the maintenance minder after an oil change.
Summary
In summary, the 2018 Honda Accord 1.5 Sport takes 0W-20 synthetic oil, with a capacity of about 3.7 quarts (3.5 liters) with a filter. Use a product that meets API SN or newer and Honda’s specifications, and follow the maintenance schedule laid out in your manual for optimal performance and warranty compliance.


