The amount of engine oil a 2017 Mazda3 needs depends on which engine it has: about 4.7 quarts for the 2.0-liter and about 5.1 quarts for the 2.5-liter, including a new filter.
In practice, these figures cover a standard drain-and-fill with a fresh oil filter. Exact capacity can vary slightly by model year, trim, and whether the filter is replaced during the change. Always verify with the owner's manual or Mazda service data for your specific car.
Engine options and oil capacity
The following figures apply to the two engine options offered in the 2017 Mazda3, assuming a typical full oil change with a new filter.
- 2.0L SKYACTIV-G I4: approximately 4.7 quarts (about 4.4 liters) of engine oil, including the filter, for a full drain-and-fill.
- 2.5L SKYACTIV-G I4: approximately 5.1 quarts (about 4.8 liters) of engine oil, including the filter, for a full drain-and-fill.
These amounts are intended as practical guidance for routine maintenance. If you’re not replacing the filter or if your vehicle has undergone unusual maintenance history, the required amount may differ slightly. Always top up slowly and recheck with the dipstick after adding oil.
Oil type and maintenance tips
Use a high-quality synthetic engine oil that meets or exceeds Mazda specifications. For most 2017 Mazda3 models, 0W-20 full-synthetic oil is recommended. Adhere to the maintenance schedule for oil changes, which is typically every 7,500 miles under normal driving conditions and more often under severe driving conditions. Verify the exact viscosity and interval in your owner's manual and with Mazda if you drive in extreme temperatures or demanding conditions.
Summary
In short, the 2017 Mazda3 requires roughly 4.7 quarts of oil for the 2.0L engine and about 5.1 quarts for the 2.5L engine, both including a new filter. Use 0W-20 synthetic oil and follow Mazda’s recommended change intervals, checking the level with the dipstick after each fill to ensure you reach the full mark.