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To maintain the 2018 Chevrolet Sonic with the 1.4L Turbo engine, use 5W-30 Synthetic Motor Oil for all temperatures, or 0W-30 if it's below -20°F. The vehicle holds 4.2 quarts of oil with a filter, and the drain plug should be torqued to -10.3 ft/lbs. Synthetic oil is artificially created with chemical compounds and fewer impurities compared to conventional oil. Oil plays a crucial role in engine cleanliness and reducing friction by lubricating parts. It's essential to change the oil regularly as it degrades over time. For the Sonic, it's recommended to change both the oil and oil filter every 7,500 miles.
The 2015 Chevrolet Sonic requires SAE 5W-30 full synthetic engine oil for optimal performance.