What is the difference in fuel consumption between setting the car air conditioner to the first gear and the second gear?

1 Answers
GeorgeLynn
07/30/25 9:55am
There is basically little difference in fuel consumption between the first gear and the fourth gear or other gears of the car air conditioner, which can be ignored. Specific differences: 1. Different speeds: Because the difference in blower speed brings a very small difference in engine load, the difference in fuel consumption can be basically ignored. 2. Using automatic mode: When the air conditioning system is working, the fuel consumption is related to the engine load, but the engine load when the air conditioner is turned on depends on the expected temperature adjusted by the driver. 3. Not using automatic mode: There will be a significant difference in engine fuel consumption.
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