
The Buick Envision 1.5T model is recommended to use 92 octane gasoline, while the 2.0T model is recommended to use 95 octane gasoline. Here is more information about the Buick Envision: 1. The Buick Envision is positioned as a midsize SUV, with 13 models currently on sale, all of which meet the China VI emission standards. 2. The Buick Envision models on sale are divided into two-wheel drive and four-wheel drive versions, with the four-wheel drive version adopting a front-engine, four-wheel drive configuration. 3. The length, width, and height of the Buick Envision models on sale are 4686mm, 1839mm, and 1686mm respectively, with a wheelbase of 2750mm. 4. The standard configurations of the Buick Envision models on sale include safety features such as driver/passenger airbags, front side airbags, front and rear head airbags, seatbelt reminder, rear child seat interface, tire pressure monitoring, ABS anti-lock braking system, brake force distribution, brake assist, traction control, and electronic stability control. Auxiliary configurations include rear parking radar, rearview camera, cruise control, engine start-stop technology, hill start assist, panoramic sunroof, aluminum alloy wheels, engine immobilizer, keyless start system, keyless entry function, etc.

I'm the kind of person who loves maintaining my own car. I've been driving a Buick Envision for five years, and every time I change the oil, I opt for 5W-30 full synthetic, which is specifically Dexos1 certified. This oil ensures smooth engine starts, prevents stuttering in cold winters, and safeguards against oil burning during long-distance drives in high temperatures. I recommend checking the owner's manual to confirm the exact viscosity—most Envisions require this standard. Don’t skimp and use cheap oil, as it can lead to engine wear or increased noise. Change the oil roughly every 8,000 kilometers, and replace the oil filter at the same time to keep things clean. Stick to reputable brands like Mobil or Shell, ensuring authenticity, and avoid mixing old oil or different grades. Remember, timely maintenance keeps your engine durable and saves you from costly repairs.

From the perspective of daily car use, I've found that engine oil is crucial after driving the Envision for a long time. It's best to use 5W-30 full synthetic oil, which meets the manufacturer's recommendation, and the dexos1 certification is very reliable. This oil has a moderate viscosity, ensuring smooth operation during city stop-and-go traffic without being too sticky, while also providing engine protection at high speeds. I usually buy it online or at supermarkets for a lower price, but never compromise on quality. The replacement interval is about 7,500 to 10,000 kilometers, depending on driving habits—using eco mode more often can extend its lifespan. If you notice increased fuel consumption or unusual engine noises, it might be time to change the oil. Other suggestions include regularly checking the dipstick to ensure there are no leaks or contaminants, and combining this with regular maintenance for peace of mind.

Choosing engine oil requires considering weather impacts. For the Envision, 5W-30 full synthetic is suitable, especially for quick cold starts in northern winters and maintaining oil film thickness during summer heat. The dexos1 certification ensures anti-wear performance, preventing engine seizure or abnormal noises. Change intervals shouldn't exceed six months, adjusting maintenance schedules based on local climate. In humid southern regions, check oil levels more frequently. This approach extends engine life and saves fuel costs.