The 2018 Honda Fit uses 0W-20 full-synthetic engine oil, with an oil capacity of about 3.7 quarts (3.5 liters) including the filter. Use Honda Genuine Oil or an equivalent that meets API SN or newer and ILSAC GF-5 or newer.
Oil Type and Specifications
Here are the core specifications you should follow when selecting oil for the 2018 Fit.
- Viscosity: 0W-20
- Type: Full synthetic engine oil
- Capacity: Approximately 3.7 quarts (3.5 liters) with filter
- Specifications: API SN (or newer) and ILSAC GF-5 (or newer)
- Oil source: Honda Genuine Oil recommended, or an equivalent that meets the above specs
Adhering to these specifications helps protect the engine, optimize fuel economy, and maintain performance.
Oil Change and Maintenance Guidance
Before discussing intervals and maintenance, consider these practical guidelines to keep your engine in good shape.
- Follow Honda’s maintenance minder and owner’s manual for oil-change intervals, typically around 7,500 miles under normal driving with 0W-20 synthetic.
- Be aware that severe driving conditions (extreme temperatures, frequent short trips, or heavy loads) can shorten the oil-change interval.
- Replace the oil filter at each oil change and use the correct grade and specifications of oil for the Fit’s engine.
- After adding or changing oil, run the engine briefly and recheck the oil level with the dipstick to ensure it’s within the proper range.
- Store and dispose of used oil and filters properly at an authorized recycling facility or service center.
Sticking to these maintenance practices helps protect the engine, preserve fuel efficiency, and support long-term reliability. Always verify with your owner’s manual or a dealer for the exact interval that applies to your driving conditions and local climate.
Summary
For a 2018 Honda Fit, the recommended oil is 0W-20 full synthetic, with a capacity of about 3.7 quarts (3.5 liters) including the filter. Use API SN or newer and ILSAC GF-5 or newer, preferably Honda Genuine Oil or a proven equivalent. Follow the Maintenance Minder or manual for the oil-change interval, typically around 7,500 miles under normal conditions, and adjust for severe driving conditions. Always replace the oil filter with each change and verify the oil level after fueling the system.