What is the appropriate engine speed for a car?

1 Answers
AaronLee
07/29/25 5:45pm
An engine speed of around 2200-2500 rpm is considered appropriate. More details about engine speed are as follows: 1. Low speed: When the engine operates below 2000 rpm while driving, it may feel underpowered. A heavy load at low engine speeds can cause damage to the engine and easily lead to carbon buildup. 2. High speed: When the engine operates above 4000 rpm, the combustion time shortens, leading to incomplete fuel combustion and a significant increase in fuel consumption. 3. Normal speed: With the engine in good condition, fuel consumption decreases, carbon buildup reduces, and damage to the engine is significantly minimized.
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