The 2017 Mazda6 requires synthetic SAE 0W-20 engine oil for its 2.5-liter SkyActiv-G engine. Use oil that meets API SN or newer and ILSAC GF-5, and plan for roughly 4.5 quarts with a new filter during an oil change.
Official specification for the 2.5L SkyActiv-G engine
The 2017 Mazda6 in most markets is equipped with the 2.5L SkyActiv-G engine. Mazda’s standard recommendation is a synthetic 0W-20 that meets API SN (or newer) and ILSAC GF-5 (or newer). This grade is chosen to balance efficiency and engine protection. The typical oil capacity with a filter is about 4.5 quarts, though exact figures can vary slightly by model and configuration. Always confirm with the owner’s manual or a Mazda dealer.
Key oil specifications for the 2017 Mazda6 are:
- Viscosity: SAE 0W-20 (fully synthetic recommended)
- Oil type: Synthetic engine oil
- Certifications: API SN or newer; ILSAC GF-5 or newer
- Capacity: Approximately 4.5 quarts (with filter)
- Recommended change interval: About 7,500 miles under normal driving conditions (check the owner's manual for climate-specific guidance)
Following these specifications helps ensure optimal lubrication, fuel efficiency, and engine longevity for the 2017 Mazda6. Always use Mazda-approved products when possible.
Maintenance considerations and climate notes
In extreme temperatures or with frequent short trips, oil characteristics and change intervals can differ. Consult the owner’s manual for climate-specific guidance, and consider a high-quality full-synthetic oil that meets the listed specifications.
Maintenance guidance for oil changes
Practical steps to maintain proper oil health and levels include the following guidelines:
- Check the oil level monthly using the dipstick with the engine cold or after overnight cooling
- Use synthetic 0W-20 oil that meets API SN or newer and ILSAC GF-5
- Replace the oil and oil filter every 7,500 miles under normal driving—or as specified in the owner’s manual
- Dispose of used oil and filters responsibly at a certified collection site
These steps help ensure the engine remains properly lubricated and performing as designed.
Summary
The 2017 Mazda6 generally takes a synthetic SAE 0W-20 engine oil that meets API SN or newer and ILSAC GF-5, with an oil capacity of about 4.5 quarts (including the filter). Follow the 7,500-mile maintenance interval for normal driving, and always verify exact specifications in the owner’s manual or with a Mazda dealer, especially if you drive in extreme climates.