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The 2018 Hyundai Santa Fe comes with a 3.3-liter V6 engine and requires 5W-30 Synthetic Motor Oil. The vehicle holds 6 quarts of oil with a filter. The torque specification for the drain plug is between 25 and 33 ft/lbs, and it's important to use a new washer with the drain bolt. In terms of the oil viscosity, 5W-30 indicates that 5 represents the thickness of the oil at startup, W signifies winter, and 30 is the viscosity at normal operating temperatures. Oil degrades over time and should be changed regularly according to a set schedule. For the Santa Fe, an oil and filter change every 7,500 to 10,000 miles is recommended.
The 2018 Hyundai Santa Fe requires either a synthetic blend or full synthetic oil, with a preference for SAE 5W-30. For the 3.6L V6 engine, the oil capacity is 6 quarts when changing the filter.
A dealer recently mentioned that they are using 5/20 oil. Does this indicate a shift in Hyundai's oil practices?
The person I buy from recommended using a synthetic blend, not full synthetic.