How much fuel does a 1.5L displacement car consume per kilometer?

2 Answers
McEmiliano
07/24/25 6:22pm
1.5L engine cars typically consume 6~8 liters per 100km. When driving on highways at a speed of around 90km/h, the fuel consumption is approximately 6.5L/100km; for urban and suburban roads, the combined fuel consumption is around 7.5 liters. 1. To determine whether a car's fuel consumption is high or low, and to assess the relationship between engine displacement and fuel consumption, it's necessary to consider actual conditions, vehicle model, weight, engine age, technology type, and other parameters. Simply relying on the 1.5L displacement cannot accurately calculate fuel consumption. 2. Car fuel consumption: Car fuel consumption is calculated based on the fuel consumed per 100 kilometers (usually referred to as 100km). To calculate the cost per kilometer precisely, you can use the formula "fuel consumption * fuel price / 100km." This refers to how many liters of fuel are burned per 100 kilometers.
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LeGenevieve
08/11/25 10:12am
I've been driving my 1.5L displacement car for several years, and the fuel consumption per kilometer is really not fixed—it depends on how you drive and road conditions. In congested urban areas, it can reach up to 10L per 100km, equivalent to 0.1L per kilometer; during highway cruising, it's more fuel-efficient, dropping to just 5L per 100km or 0.05L per kilometer. On average, the combined fuel consumption is around 7 to 9L per 100km, so roughly 0.07 to 0.09L per kilometer. Factors affecting this include driving habits—such as sudden acceleration and braking, which can increase fuel consumption by 20%; using the AC adds about 10% more fuel consumption; and as the car ages, fuel consumption also rises. I usually drive gently and replace the air filter regularly, keeping my fuel consumption at 7.5L per 100km, spending only seven to eight cents' worth of fuel per kilometer, saving both fuel and money. When buying a new car, I recommend checking the manual data and comparing it with actual driving calculations.
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