新輪胎橡膠較舊輪胎軟,輪胎紋路也較舊胎深,所以新輪胎的滾動阻力要大於舊輪胎,滾動阻力增大油耗增加。
新輪胎橡膠較舊輪胎軟,輪胎紋路也較舊胎深,所以新輪胎的滾動阻力要大於舊輪胎,滾動阻力增大油耗增加。
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