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What is the appropriate RPM for an automatic transmission car?

2 Answers

McGabrielle

08/31/25 3:44am

An appropriate RPM for an automatic transmission car is between 1800 and 2000. RPM refers to the number of revolutions per minute of the engine crankshaft. The engine RPM is related to the number of power strokes per unit time or the effective power output of the engine. Its function is to promptly reflect the operating condition of the engine, allowing the driver to better coordinate the transmission gear and throttle position, thereby maintaining the car in an optimal working state. The correct method for parking an automatic transmission car is: 1. After reaching the parking position, press the brake until the vehicle comes to a complete stop; 2. Shift the gear lever into N (Neutral) without releasing the brake; 3. Engage the handbrake and release the foot brake; 4. After ensuring the car is stationary, press the brake again, shift into P (Park), and then exit the vehicle and lock it.

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LaDavid

09/12/25 7:05am

When I encounter the issue of automatic transmission RPM during daily driving, I find it ideal to maintain the RPM between 1500 and 3000 during normal operation, depending on whether you're driving in the city or on the highway. For slow starts in traffic jams, keeping the RPM around 1500 ensures smoothness and fuel efficiency. When accelerating or overtaking on the highway, increasing the RPM above 2500 provides better responsiveness. Remember not to let the RPM stay too high for extended periods, as prolonged high RPM can wear out engine components and shorten their lifespan. Additionally, keeping the RPM below 2000 during the break-in period of a new car is safer, and I regularly check the engine oil to prevent early malfunctions.

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