What is the fuel consumption of the Buick GL8 2.5?

2 Answers
ElliottAnn
07/29/25 12:24am
The combined fuel consumption is 8.6L/100km, while the actual fuel consumption is approximately 10L/100km. Here is some relevant information about the Buick GL8: 1. Configuration: The new generation Buick GL8 family is equipped with the new generation OnStar all-time online assistant, covering more than 50 main services in 5 categories, including remote control, remote vehicle condition viewing and reminders, and provides users with 100G of 'OnStar 4G vehicle connectivity application lifetime free data' service per year. 2. Body dimensions: The new generation Buick GL8 Avenir family has body dimensions of 5219mm × 1878mm × 1799mm, with a wheelbase of 3088mm.
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Valerie
08/12/25 4:38am
I am the owner of a Buick GL8 with a 2.5L engine, and I've been driving it for almost two years now. The average fuel consumption is around 10 liters per 100 kilometers, which can rise to 12 liters in city traffic jams but stabilizes at about 9 liters on the highway. I drive steadily, avoiding sudden acceleration, and I regularly change the engine oil and air filter while keeping the tire pressure at the recommended level, which helps save fuel. In winter, fuel consumption increases by about 1 liter due to the engine needing to warm up. The spacious interior is a big plus, though the higher fuel consumption compared to a regular sedan is normal. I recommend using an app to track each refueling to understand the actual costs—like me, spending around 800 yuan per month on fuel, which is quite reasonable.
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