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If you own a 2012 Hyundai Sonata, you have one of two engine options. Some models come with a 2.0 liter turbocharged 4-cylinder engine, while others feature a 2.4L 4-cylinder. The 2.0T engine needs 4.9 quarts of SAE 5W-30 synthetic motor oil, but you can use SAE 5W-40 as an alternative. The 2.4L engine requires 4.8 quarts of SAE 5W-20 synthetic oil, and you can also opt for SAE 5W-30. It's generally not recommended to make these substitutions. Using a thicker oil with a higher viscosity can create friction in the engine, leading to premature wear and eventual failure. It's best to stick to the recommended oil with the lower viscosity, even if it's a bit more expensive – it will pay off in the long run.
The viscosity of oil recommended for the 2012 Hyundai Sonata Hyperd.
What kind of transmission oil does the Sonata recommend?
For the 2012 Hyundai Sonata, it is best to use engine oil with a viscosity of either 5W-20 or 5W-30.