“
“汽车车速达120km/h时，发动机转速可以有多低？”最近有车友留言提出了这个疑问，老实说这个没有什么标准答案，不同排量、不同变速箱、不同的调教风格、不同负载等都会让车速在120KM/H时转速不同。有的车子需要接近4000转，而有的车子只要2000转。
一般情况汽车的排量越大，达到120KMH的时候转速会越低，排量越大汽车的扭矩越大，相对来说低转速即可获得不错的动力输出。但是转速不能无限的低，毕竟汽车怠速的时候也要700转了，尤其是冷启动的时候有些车子怠速能够达到1500转。
汽车车速120KMH的时候转速为多少，这与变速箱也有极大的关系。变速箱档位越多，齿比越绵密，那么达到120KMH的转速就越低。一般情况下六速手动挡达到120KMH的转速要比五速手动车型转速低一些。
车速达到120KMH，自动变速箱要比手动变速箱转速低。以本田飞度来说，车速达到120KMH的时候自动挡车型转速在2500转左右，而手动车型转速能够多1000转达到3500转。对于自动挡汽车来说，档位越多同样达到一定车速时需要的转速也要更低一些。
还有就是汽车在负载大的时候达到一定车速需要的转速就越高，这个很好理解，车子需要克服的阻力更大，需要通过更高的转速来实现，车子满载和空载的情况下动力感受也会完全不同。同样汽车在下坡的时候低转速也能获得较高的车速。
还有一点需要说明一下，一般情况下汽车达到一定车速时转速越低会越省油，但是并不是所有汽车都是这样。有些发动机属于高转速发动机，低转速的情况下反而不能有很好的动力输出和燃油经济性，当车速转速达到一定区间以后才会更有劲儿省油。汽车车速达120km/h时，发动机转速可以有多低？老司机说出了实话。
特朗普证实美国正在升级核武器！详细现场视频，尽在“中国网”抖音（787874450)
”
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