The recommended oil for the 2015 Toyota Sienna is 0W-20 Synthetic however if it is not available then it is okay to use 5W-20 but 0W-20 Synthetic must be used the next time. The capacity for the vehicle iS6.4 quarts with a filter. The torque for the drain plug iS30 ft/lbs and the drain plug gasket should be replaced when You do a change. The cost of oil is around $2 to $22 per quart or around $13 to $70 to fill up the full 6.4 quarts. You should do an oil and filter change every 7,500 to 10,000 miles because it goes bad after a while. The cost of an oil change is anywhere from $40 to $50 in labor costs.
Pat T.
January 2, 2020
The oil capacity on the 2015 Toyota Sienna 2.7L I4 engine is 4.6 quarts and increases to 6.4 quarts on 3.5L V6 engine. Both use Toyota's standard oil type: SAE 0W-20 synthetic engine oil.
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