The 2016 Highlander V6 uses SAE 0W-20 full-synthetic engine oil, and it holds about 6.4 quarts with the filter change.
For the 2016 Highlander equipped with the 3.5-liter V6 (2GR-FE), Toyota specifies a 0W-20 full-synthetic oil as the standard grade. This viscosity supports efficient cold starts and overall fuel economy, while the engine is designed to operate with a relatively lightweight synthetic. The oil capacity, including the oil filter, is approximately 6.4 quarts (6.0 liters). Use oil that meets or exceeds API SN or newer specifications, and follow the maintenance schedule or the vehicle’s oil-life monitor to determine when to change it. Climate and driving conditions can influence the exact change interval, so consult the owner's manual or a Toyota dealer for guidance tailored to your situation.
Oil specifications for the 3.5L V6 Highlander
Key details about the recommended oil for this engine are summarized below.
- Viscosity grade: 0W-20
- Oil type: Full synthetic engine oil
- Capacity (with filter): Approximately 6.4 quarts (6.0 liters)
- Oil quality standard: API SN or newer
- Maintenance note: Use Toyota-approved or equivalent high-quality synthetic oil; follow the owner’s manual for climate-specific guidance and oil-change intervals
Following these specifications helps ensure proper lubrication, engine longevity, and optimal performance for the 2016 Highlander V6. If in doubt, verify the exact requirements with a Toyota dealer or by consulting the official owner's manual for your vehicle’s climate and driving conditions.
Summary
Bottom line: The 2016 Highlander V6 requires 0W-20 full-synthetic engine oil, with a total capacity of about 6.4 quarts including the filter. Use oil meeting API SN or newer and refer to the manual for the recommended maintenance intervals and climate-specific guidance.