The 2018 Honda Accord Sport 1.5T uses synthetic 0W-20 engine oil, about 4.2 quarts with the filter, and it should be filled with Honda Genuine 0W-20 or an API SN/ILSAC GF-5 equivalent. This keeps the turbocharged 1.5-liter engine running smoothly and within specification.
Official oil specification
Key specifications you should follow when buying oil for this model:
- Viscosity: 0W-20
- Oil type: Synthetic motor oil
- Certification: API SN or newer, ILSAC GF-5 or higher
- Volume: Approximately 4.2 quarts (4.0 liters) with filter
- Compatibility: Honda Genuine Motor Oil 0W-20 or equivalent meeting the above specs
Sticking to these specs helps ensure proper lubrication, engine performance, and warranty compliance.
Oil capacity and change interval
Oil capacity and recommended service interval for the 1.5T engine:
- Oil capacity with filter: 4.2 quarts (4.0 liters)
- Normal oil-change interval: around 7,500 miles (12,000 km) or 12 months, whichever comes first
- Severe service interval: around 5,000 miles (8,000 km) or 6 months, whichever comes first
Oil changes are typically guided by the Honda Maintenance Minder system; always follow the minder’s recommendation and your local driving conditions for the exact interval.
Practical tips
Choosing the right oil
Use oil that is API SN or newer and ILSAC GF-5 or higher with a 0W-20 viscosity. Synthetic 0W-20 is strongly preferred, and Honda Genuine 0W-20 is a straightforward option if you want to guarantee compatibility and warranty coverage.
How to proceed if you’re doing it yourself
Warm up the engine, drain old oil, replace the oil filter, and refill with the specified 4.2 quarts of 0W-20. Recheck the level with the dipstick after a few minutes of settling and top up if needed. Dispose of used oil responsibly.
Summary
For a 2018 Honda Accord Sport 1.5T, use 0W-20 synthetic engine oil (API SN or newer, GF-5 or higher), about 4.2 quarts with filter. Rely on Honda’s Maintenance Minder to determine the exact oil-change interval, typically around 7,500 miles under normal conditions or about 5,000 miles under severe driving. Always opt for Honda Genuine 0W-20 or another brand that meets the same specifications.