205 195 轮胎性能差别到底有多少,高人请进!!!
推荐回答(5个)
主要有以下区别:
1.轮胎直径不同:195轮胎的直径为:634.5毫米,205轮胎的直径为631.9毫米;
2.轮胎大小同:从轮子的大小来说,195的轮胎比205的轮胎要高2.6毫米;
3.轮胎速度不同:同样的转速下,195的比205的要快0.4%的速度;
4.轮胎费油不同:地面的阻力来说,205比195要宽10毫米,阻力要大5%左右,耗油在低速下不考虑风阻情况要自然要多费5%的油;
5.轮胎扁平度不同:195的扁平率为65%,205的胎扁平率为55%,
6.轮胎稳定性不同:195的胎高5毫米,胎高越高,弹性越大,减震性能越好,胎越宽,行驶越平稳,操控性好些。

扩展资料
小型轿车排量在0.8-1.5之间相应的它的前轮胎规格适用为155/65R13 73T--175/70 R 14 77H这个范围内。大型轿车排量在1.6-6.0之间轮胎规格相应的在185/60 R 14-- 245/50 R 18这个范围内。
轮胎的规格有很多的表示方式,而市面上一般较常见的有四种,英制,德制,公制及美制,我们就以次四种略加说明。英制的规格为英国过去的附庸国家所采用,单位采英寸。如 4.00 H 18 4PR ,即表示宽4英寸,适用210KM/H以下的时速,轮胎钢圈直径为18英寸,4线层强度。
公制的表示法中,是对轮胎的特性说明较完整,它与德制的表示法类是似但取消“-”低压胎的记号,而以“R”字代替,表示子午线轮胎,如FZR400的后轮即为140/60R18 64H,其中R18的R即表示该轮胎为子午线轮胎。
德制的规格类似“公制”,除轮胎的宽度用公厘表示外,亦增加了轮胎的扁平比,轮胎的内径仍使用英寸,内径的后面还有荷重指数及速度记号。表示如:140(轮胎宽140MM)\70(扁平比百分之七十)-(低胎压)18(内径18英寸)66(荷重指数66)H(速度记号210KM/H以下)。
参考资料 百度百科-轮胎规格
195/65r15轮胎外径为 634MM,205/60R15轮胎外径为 627MM,此升级外径差为7MM,基本于原配规格差距不大,在合理范围内,行驶中运动性能提升,刹车时制动性能提升,转弯性能提升。

扩展资料:
205的轮胎比195轮胎宽 205-195=10mm 即205轮胎比195轮胎多接触面10mm 理论上讲,其与地面的摩擦力也相应增加 要克服增加的部分摩擦力,就需要额外增加动力,相应的就是增加油耗 按纯理论计算,增加的油耗计算如:(205-195)÷195×100%=5.128% 即,换成205轮胎后,油耗会增加约5% 。
私家车每年行驶2万公里,每一百公里油耗8升,每升汽油7.5元 这样每年你要增加的费用=(20000÷100)×8×7.5×5%=600元 经计算(计算过程略),195轮胎换205轮胎后 100km/h-->0km/h的刹车距离会减小1.9米 120km/h-->0km/h的刹车距离会减小2.4米 这种从120km/h突然降到0km/h的紧急刹车也只有在紧急情况下才做 在紧急情况下,1米的距离有时就是生死线的距离(比如掉入悬崖、桥梁等) 此时多给你2.4米。
轮胎最重要的一个功能就是“抓地力”,这是使得车子移动的根本,而轮胎在不同路面的抓地力差别很大,一般来说,沥青路面>水泥路面>铺地砖的路面。汽车轮胎对汽车的燃油经济性有直接的影响,减少轮胎的滚动阻力也可以提高汽车的燃油经济性。当前轿车都采用了子午线轮胎,减小了滚动阻力。就是说,轮胎对汽车耗能的影响主要由滚动阻力造成,滚动阻力因轮胎变形而增加,而轮胎变形又与车速有直接关系,因此轮胎对汽车耗能的影响要看车辆使用的环境。
参考资料:百度百科-米其林轮胎
刹车距离和轮胎的设计花纹及产品配方有关,轮胎的性能分为多种,在提高或注重了某些性能以后,必然会导致其他一些性能的下降,比如,提高了舒适性,会降低一些耐用性。从性能上来说,扁平比越小的轮胎操控性越好,但舒适性相对下降,为什么跑车和一些轿跑基本用的都是扁平比40、45左右的,为的就是提高操控性,以此带来优越的驾驭感
同问,顶一下,其实,195也不错,如果开车不是很激烈,195也够用了,195理论上比205轻,该省油些,195扁平比65,而205的55,舒适性上该好些吧?
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