買純電車只看續(xù)航和加速?老司機(jī)告訴你,車輛“重量”才是隱藏的關(guān)鍵指標(biāo)。最近后臺(tái)全是問特斯拉Model3重量的留言,作為25-35萬級(jí)純電標(biāo)桿,它的重量不僅影響續(xù)航,更和操控、安全直接掛鉤。今天就用實(shí)測數(shù)據(jù)+車主體驗(yàn),把Model3的重量之謎扒透,選車避坑攻略直接拿!
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Model3多重
Model3各版本重量大公開,差異藏著啥門道?
先上干貨數(shù)據(jù)!2025款Model3不同版本重量差異明顯,核心和電池容量、驅(qū)動(dòng)形式直接相關(guān)。后輪驅(qū)動(dòng)版空車重量約1745kg,長續(xù)航后輪驅(qū)動(dòng)版因?yàn)榇钶d了78.4kWh大容量電池,重量提升到1830kg左右,而高性能全輪驅(qū)動(dòng)版加了前電機(jī)和強(qiáng)化底盤,重量達(dá)到1985kg,比基礎(chǔ)版重了240kg。
這個(gè)重量在同級(jí)別里算啥水平?對(duì)比比亞迪海豹長續(xù)航版(約1920kg)、小鵬P7i(約1880kg),Model3的輕量化優(yōu)勢很明顯,尤其是基礎(chǔ)版比競品輕了近100kg。別小看這百來公斤,對(duì)純電車型的續(xù)航和操控影響太大了。
重量越輕續(xù)航越長?Model3的“平衡術(shù)”實(shí)測
很多人覺得“車越輕續(xù)航肯定越好”,但Model3用數(shù)據(jù)打破了絕對(duì)化認(rèn)知。基礎(chǔ)版1745kg搭配小容量電池,CLTC續(xù)航556km;長續(xù)航版重了85kg,續(xù)航卻飆升到830km,直接實(shí)現(xiàn)“增重還增續(xù)航”。
關(guān)鍵藏在兩點(diǎn):一是電池能量密度提升,新長續(xù)航版用的LG 78.4kWh三元鋰電池,比老款多了8.4kWh電量;二是輕量化設(shè)計(jì),車身用鋼鋁混合材質(zhì),超高強(qiáng)度鋼占7%、高強(qiáng)度鋼超50%,關(guān)鍵部位強(qiáng)撐強(qiáng)度,非關(guān)鍵部位減重,比如減震塔、門檻用超高強(qiáng)度鋼,底板用高強(qiáng)度鋼,既安全又輕量。實(shí)測跑高速時(shí),長續(xù)航版1830kg的重量配合低滾阻輪轂,120km/h巡航電耗才15.2kWh/100km,比同續(xù)航競品低1-2kWh。
重了反而好開?Model3操控的“重量密碼”
純電車重不代表笨,Model3的操控優(yōu)勢恰恰和重量分布有關(guān)。不管哪個(gè)版本,都做到了近50:50的前后配重,電池組平鋪在底盤中間,讓整車重心比燃油車低30%以上,即便高性能版快2噸重,過連續(xù)彎道時(shí)車身也幾乎沒有側(cè)傾。
實(shí)測體驗(yàn)更直觀:低速挪車時(shí),基礎(chǔ)版1745kg的重量讓轉(zhuǎn)向輕盈,女生也能輕松掌控;高速變道時(shí),高性能版1985kg的重量帶來更強(qiáng)穩(wěn)定性,不會(huì)發(fā)飄。對(duì)比大眾ID.3的偏軟底盤和小鵬M03的轉(zhuǎn)向精準(zhǔn)度不足,Model3這種“輕有輕的靈活,重有重的沉穩(wěn)”的調(diào)校,把重量優(yōu)勢發(fā)揮到了極致。
重量與安全不矛盾?車身材質(zhì)才是核心
有人擔(dān)心“車輕不安全”,但Model3在全球碰撞測試中全拿滿分,秘訣不是堆重量,而是材質(zhì)搭配。車身框架用“超高強(qiáng)度鋼+高強(qiáng)度鋼”筑牢核心區(qū),比如前翼子板縱梁、門檻這些易受沖擊部位,用屈服強(qiáng)度超600MPa的超高強(qiáng)度鋼,能有效分散碰撞力;而底板、后艙這些部位用400-600MPa的高強(qiáng)度鋼,兼顧承重和減重。
實(shí)測模擬100km/h追尾場景,車身變形量比同重量競品小15%,乘員艙保持完整。這說明安全不靠“傻重”,合理的重量分配+優(yōu)質(zhì)材質(zhì),才是更科學(xué)的方案。
最后給選購建議:經(jīng)常跑長途選長續(xù)航版,1830kg的重量兼顧830km續(xù)航和靈活操控;追求性能選高性能版,1985kg的重量配合雙電機(jī),3.1秒破百還穩(wěn);市區(qū)代步選基礎(chǔ)版,1745kg輕量化車身更省電。https://weibo.com/ttarticle/p/show?id=2309405229545397026855
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你選純電會(huì)關(guān)注重量嗎?覺得續(xù)航和操控哪個(gè)更重要?評(píng)論區(qū)聊一聊,點(diǎn)贊收藏加關(guān)注,下期實(shí)測更多純電車型!
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