What kind of engine does Buick use?
2 Answers
Buick uses small-displacement inline 4-cylinder DVVT-Ecotec engines, with two powertrain models equipped with 1.5T and 2.0T turbocharged engines respectively. The 1.5T engine has a maximum power of 125 kW and a maximum torque of 252 Nm, while the 2.0T engine delivers a maximum power of 192 kW and a maximum torque of 350 Nm. Buick engines are manufactured by Shanghai GM Dongyue Automotive Powertrain Co., Ltd. For daily maintenance of Buick engines, the following methods can be used: Use lubricating oil of appropriate quality grade. For gasoline engines, SD--SF grade gasoline engine oil should be selected based on the additional devices of the intake and exhaust systems and usage conditions; for diesel engines, CB--CD grade diesel engine oil should be chosen according to mechanical load, with the selection standard not lower than the manufacturer's specified requirements; Regularly change the engine oil and filter. The quality of any grade of lubricating oil will change during use. After a certain mileage, performance deteriorates, causing various problems for the engine. To avoid malfunctions, change the oil regularly based on usage conditions and maintain an appropriate oil level; When oil passes through the fine pores of the filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter is clogged and oil cannot pass through the filter element, it may burst the filter element or open the safety valve, allowing oil to bypass through the bypass valve and carry contaminants back to the lubrication area, accelerating engine wear and increasing internal contamination; Regularly clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal particles from component wear to form sludge. Small amounts remain suspended in the oil, while larger amounts precipitate, clogging filters and oil passages, making engine lubrication difficult and causing wear; Regularly use radiator cleaner to clean the radiator. Removing rust and scale not only ensures the engine operates normally but also extends the overall lifespan of the radiator and engine.
I've worked at a Buick dealership for over a decade, and I've observed that their engines are primarily based on General Motors' Ecotec series, covering a range from entry-level to luxury options. For example, entry-level models like the Excelle use a 1.3-liter naturally aspirated three-cylinder engine, which offers modest power but comes at a low price. Mid-range models such as the Regal and LaCrosse often feature 1.5-liter or 2.0-liter four-cylinder turbocharged engines, known for their quick response and fuel efficiency. I've driven several models, with city fuel consumption averaging around 8L/100km, dropping to about 6.5L/100km on highways. Flagship models like the Enclave Plus come equipped with a high-power 2.0T version, delivering strong acceleration. In recent years, Buick has been promoting smaller displacement engines to meet environmental standards, such as the China VI emission control technology optimizations. Maintenance costs are reasonable, with routine services costing just a few hundred yuan. If you're buying a used car, pay attention to the older V6 engines, which tend to consume more fuel. Overall, Buick's engine designs focus on balancing reliability and efficiency to cater to different driving habits.
