The 2012 Toyota Sienna oil type and capacity iS5w-20 and 4.7 quarts for the 2.7 L engine. Your oil needs to be replaced eventually. Every 5,000 to 10,000 miles is a good rule of thumb. If You don't replace it, there will be issues with the engine. Having high quality oil is important for the engine to run smoothly. You will run into issues with this fluid at some point. Old or bad oil can cause the engine to stop working. A common problem is an awful burning odor. This needs to be viewed closely as soon as possible or the car might explode. You could experience bad gas mileage. Knocking noise may show up from the engine.
Mara D.
January 2, 2020
The approved engine oil type for the 2012 Toyota Sienna is the Toyota Genuine Motor Oil or equivalent to the 0W-20. If SAE 0W-20 is not available, SAE 5W-20 oil may be used. However, it must be replaced with SAE 0W-20 at the next oil change. The engine oil capacity for the 2012 Toyota Sienna 2.7L engine is 4.7 quarts (4.4 Liters) and 6.4 quarts (6.1 Liters) for the 3.5L engine.
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