这几年SUV的热潮席卷中国的大江南北，各大SUV车企的营销团队也成功的为现在的人们植入“爷们儿就要有一台属于自己的SUV，”好多消费者宁愿多花钱，也要首选SUV，很多朋友在购买SUV时都会盲目地认为SUV一定是4驱的更好，是这样的嘛？其实不然，今天就来给大家分析分析，到底买哪个更好！
其实无论哪种车型四驱一定比两驱更有优势，在行驶安全性、脱困能力以及操控感等多方面都有一定优势，而四驱方式又分两种，一种是横直发动机适时四驱，发动机曲轴与前驱动轴平行通过变速箱直接驱动前轮，正常两驱模式下是前轮驱动。四驱是通过取力器、多片式离合结构限滑差速器实现分动，在离合器压紧之后动力可以传递到后轮，一般最大比例为50:50，这也是最理想的动力配比。
第二种是发动机纵置适时四驱，这是发动机的动力，将有两根传动轴传输动力，想要实现适时四驱必须为分动箱加入开放式差速器让前后传动轴正常差速，只有这样才能实现前后轮不同转速保证正常转弯。但开放式差速器加入后又不能实现越野时需要的前后一致，所以又要在低速时实现差速锁止。
但是四驱车拥有较好的越野和操控性能，但它不能根据路面情况做出扭矩分配的调整，缺点相对明显，油耗偏大，经济性差。我们要买车时，需要考虑到自己的真是需求，如果您大多数时间都在城市里度过，那么选择一款2驱的SUV就完全能够满足您的日常生活。
如果您是越野的发烧友，或者经常跑路况不佳的道路，那么考虑一款4驱的SUV可能会更加合适。
原创文章，作者：cesifu，如若转载，请注明出处：http://www.cesifu.com/article/10367.html
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