What type of oil does the Buick Excelle use?
3 Answers
The original oil for the Buick Excelle 1.4T is Mobil 1 5W-30 full synthetic oil, while the Buick Excelle 1.5L uses the factory-recommended 5W-30 semi-synthetic oil, with a filling capacity of approximately 3.7L. If you want to change the oil during later maintenance, you can choose from brands such as Shell or Castrol. The viscosity of the oil changes with temperature, so special attention should be paid to its performance under both low and high temperatures. For example, in 5W-30, the first number indicates low-temperature fluidity, with 5W representing the ability to withstand temperatures as low as -30°C. The smaller this number, the better the low-temperature fluidity, ensuring smoother cold starts for the car. The second number represents the kinematic viscosity of the oil at 100°C. A higher value means the oil can maintain its viscosity index better at high temperatures, which can also be understood as better lubrication performance under high-temperature conditions. The method for changing the oil in a Buick Excelle is as follows: Wait for the engine temperature to cool down, allowing the oil to flow back into the oil pan; Use a wrench to loosen the oil drain plug and place an oil pan underneath to catch the old oil until it stops flowing. Start the engine for about 30 seconds to allow the oil in the main oil passages to drain out; Use a specialized wrench to remove the oil filter; Apply oil to the seal of the new oil filter and hand-tighten it clockwise; Pour the new oil into the engine through the valve cover filler port, typically filling about three-quarters of a standard oil container; Start the engine and let it run for 5 minutes, checking for any leaks around the oil drain plug and oil filter. If leaks are found, perform necessary repairs; After stopping the engine, pull out the oil dipstick to check that the oil level is within the standard range.
I've been driving a Buick Excelle for five years, and every time I change the oil, I choose 5W-30 full synthetic oil, which is the recommended viscosity by General Motors. Buick requires the oil to have dexos certification, as it protects the engine and reduces wear. I usually use Shell Helix or Mobil 1, changing the oil every 8,000 to 10,000 kilometers. If I drive frequently or get stuck in city traffic, I might change it earlier. The viscosity change of the oil has a significant impact—too thick and it starts slowly, too thin and lubrication is insufficient. I also pay attention to the oil grade, ensuring it matches modern engines with API SN or SP ratings. Regular maintenance not only saves money but also prevents engine overheating issues. Never use cheap oil—it doesn't save much money and increases the risk of engine failure.
As an owner of a Buick Excelle, I always use 5W-30 full synthetic oil for oil changes, with the key being to find a dexos-certified product as specified in the factory manual. I've tried Castrol Magnatec, which provides ultra-smooth starts and reduces engine noise. Driving habits influence oil choice—for instance, frequent city traffic jams accelerate oil consumption, so changing it earlier helps prevent carbon buildup. Pay attention to the API rating of the oil; SN or higher is safer. In colder northern winters, 0W-20 might be more suitable, but it's best to check the manual for confirmation. Oil filtration is equally important, and I regularly check the cleanliness of the dipstick. An oil change interval of every eight months or 10,000 kilometers is ideal for saving money and hassle.
