<div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g27/M05/89/92/userphotos/2020/04/05/21/500_ChsEnV6J2b2AJmCfAAbYqhhWOjM510.jpg" style="height:2436px;width:1125px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g2/M03/77/01/userphotos/2020/04/05/21/500_ChsEkF6J2b6ACd2jAAbcLH2H4_4637.jpg" style="height:2436px;width:1125px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g27/M09/89/B2/userphotos/2020/04/05/21/500_ChsEfF6J2b-ABqjlAAbS8Ib07v4266.jpg" style="height:2436px;width:1125px"  /></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g25/M07/EC/9B/userphotos/2020/04/05/21/500_ChsEel6J2cCAKsdQAAbauhOUgwg743.jpg" style="height:2436px;width:1125px"  /></div><div layer1="img-e"></div><br /><div layer1="text-s"></div><div class="tz-paragraph">看数据好像21寸更合适，重量上21寸单个轮毂重1公斤左右，所以油耗和动力差距不会太大。<br />还有21寸的前轮宽比40，20寸前轮宽比45，所以鼓包利率也不会差太多。<br />最终我觉得若要舒适省油就原车18寸，若要好看就直接上21</div><div layer1="text-e"></div><br />

20寸与21寸选择的问题