What is the actual fuel consumption of the Buick LaCrosse?

3 Answers
ZoeMarie
07/29/25 6:57am
The fuel consumption of the 2.4L LaCrosse is 10.4 liters per 100 kilometers. Relevant information is as follows: Introduction: The Buick LaCrosse adopts Buick's latest family design language, featuring smooth and elegant body lines and a highly dynamic body proportion. The wing-shaped full LED automatic sensing headlights use advanced light curtain technology to create a more uniform and brighter lighting effect. Drive System: The 2021 Buick LaCrosse family is equipped with two sets of drive systems, combining powerful performance with excellent fuel economy, and all models meet the "China VI b" emission standard. At the same time, different power combinations will meet users' diverse needs with a richer selection and further enhance the competitiveness of the Buick LaCrosse in the mid-to-high-end car segment. Among them, the newly added 552T luxury model is equipped with a 1.5T SIDI direct-injection turbocharged engine and a 9-speed HYDRA-MATIC intelligent transmission, featuring strong and smooth power, high torque at low speeds, and high power at high speeds. It can achieve a maximum power of 124kW/5600rpm and a maximum torque of 250Nm within a wide speed range of 1700-4400rpm, with a fuel consumption of only 6.5L per 100 kilometers.
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DelCarson
08/12/25 11:16pm
Buddy, my 2021 Buick Regal with the 1.5T engine has been averaging around 9.5L/100km in real-world fuel consumption after over a year of driving, which is noticeably higher than the official claim of 7.8L. During city commutes with frequent traffic lights and congestion, the consumption can spike above 11L, but on highways when I maintain steady throttle, it drops to 7.5L, which I'm quite satisfied with. Several factors affect this - using AC adds about 0.5L, while using 92-octane gasoline saves some. Cold starts in winter increase consumption, and surprisingly, driving with windows down in summer consumes more. Driving habits are crucial - I've noticed aggressive acceleration instantly increases consumption by 1L. If you want specifics, I can share more driving data photos on my blog.
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DiPatrick
10/04/25 5:01am
As someone knowledgeable about cars, the fuel consumption of the Buick Regal varies by model and engine. For example, the common 1.5T version has a real-world fuel consumption of 8-9L/100km, while the 2.0T version may reach 10-11L. Urban driving conditions increase the burden, such as traffic congestion adding 1-2L to fuel consumption, whereas highway cruising can lower it to just 7L. Driving style has a significant impact—rapid acceleration or carrying heavy loads can push up the fuel gauge. Vehicle maintenance is also highly relevant; regular oil and filter changes can help save 0.5L in fuel consumption, whereas worn tires increase it. According to owner community data, an actual average of 9-11L is considered reasonable.
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