What type of engine oil is suitable for the Changan CS75?
2 Answers
The Changan CS75 uses original SL-grade 5w30 engine oil. When changing the oil, the 280T engine requires 3L of oil, while the 1.8T engine requires 4.5L. After filling, the oil level on the dipstick should be at the middle mark. It is important to note that oil should only be added when the engine is cold, and the oil level must not exceed the MAX mark. As a new member of the Changan family, the CS75 inherits the classic family design recognized by millions of users. Its large body dimensions of 4650mm, 1850mm, and 1705mm showcase a bold and robust appearance. With spacious interiors, five-star safety standards, and powerful performance, it meets the needs of family car consumers.
I've been driving a Changan CS75 for three years, always using 5W-30 full synthetic oil, such as Mobil or Shell brands. The car has a 1.5T engine, and the manual clearly recommends using 5W-30 viscosity because it flows quickly during cold starts and provides good engine sealing protection in summer heat. If you use 5W-40, the fuel consumption will be slightly higher—I tried it myself, and it burned half a liter more per 100 kilometers, which isn't cost-effective. Always choose oil with API SP or newer standards to prevent carbon buildup and oxidation. I change the oil every 8,000 kilometers, sometimes a bit earlier, and in winter, I notice smoother starts after an oil change. Many people overlook the oil change interval, thinking only mileage matters, but oil degrades over time—you should check it at least every six months. Using the right oil regularly keeps the engine quieter, makes driving more worry-free, and extends the car's lifespan.
