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What does the B gear in new energy vehicles mean?

1 Answers

SanPaige

07/30/25 8:14am

New energy vehicle B gear is an auxiliary braking gear. The following are specific introductions about B gear: Function: The purpose of the B gear in new energy vehicles is to apply engine braking or strong braking after releasing the accelerator pedal on a steep downward slope, thereby preventing brake overheating. Of course, acceleration can still be performed during this process. However, when driving at high speeds, compared to conventional vehicles, you may feel that the deceleration caused by engine braking is relatively small. Usage: Whether the car is in B gear or D gear, it belongs to the category of low kinetic energy recovery ratio. Secondly, if you drive the car in B gear for a long time, it will have a significant impact on the vehicle's fuel economy.

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