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What is the relationship between engine speed, vehicle speed, and gear in a car?

1 Answers

ClaytonFitz

07/30/25 7:27am

The relationship between engine speed, vehicle speed, and gear in a car is pairwise correspondence. Here are the introductions about the three: 1. The relationship between engine speed and vehicle speed: Engine speed and vehicle speed do not have a one-to-one correspondence, but also depend on the current gear, which is the speed ratio of the transmission. 2. The relationship between vehicle speed and gear: The recommended speed for each gear is about 15 km/h for 1st gear, 25 km/h for 2nd gear, 35 km/h for 3rd gear, 55 km/h for 4th gear, and 65 km/h for 5th gear. 3. The relationship between engine speed and gear: When the engine speed remains unchanged, the higher the gear, the faster the vehicle speed; the lower the gear, the slower the vehicle speed.

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