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HONDA科技巡禮（6）：非賣品！CR-Z完全輕量化版試駕
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AUTONET記者：蔡致堅(11/29/2013星期五)
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在F1賽場有多年經驗的HONDA，隨著近年來CFRP(Carbon Fiber Reinforced Plastics)碳纖維複合材質運用成為一種趨勢，遂以CR-Z為基礎打造出一輛專為輕量化車體研究的特別版本，但這可不是拿來當裝飾，而是要盡情地操駕，既然來到日本，又是HONDA最高機密的測試場地，沒有好好享受似乎會辜負原廠的一番好意。
這輛外觀看起來與一般CR-Z沒有相差太多的測試車，單看外表實在無法察覺有什麼不同，然而當開啟車門的瞬間才發現果然大有料。由於整個CFRP(Carbon Fiber Reinforced Plastics)碳纖維複合材質座艙底板結構宛如個大澡盆，當車門啟閉時，車頂會自動上掀，不過要進出車艙可就要來點技巧，感覺上和駕駛部分超跑沒什麼兩樣。
由於採用鋁合金鋼管車架、CFRP一體成型底板、GFRTP玻璃纖維強化熱塑性塑膠前車架，就連煞車、輪圈、轉向系統都予以輕量化，因此車重從1130kg一口氣減少了30％，只剩下800kg。動力仍為1496cc直列四缸SOHC的引擎，並與電動馬達組合，總輸出功率達120hp/6000rpm、14.7kgm/4800rpm，並與六速手排組合，重心高度也降低26mm為506mm，0-100km/h加速縮短為8.3秒，進步約30％，單看這些數據絕對沒有感覺，原廠也希望能下場親身體驗，對此我當然不會客氣，難得有機會試到這種開發測試車，心中自然是興奮。
所以坐進車內按下引擎啟動鍵，由於動力沒有任何更動，也就沒有太多期待，對於性能並不會有太高的期待和要求。然而排入一檔重踩油門之際，卻發現加速性比起一般CR-Z要來得強，爾後以80-90km/h的速度進入彎道，車身沒有拉扯，更不會側滑或不穩，車輛就這麼服貼地行進，這全拜降低車身與強化車體技術所賜；旋即來個連續小彎，靈巧的動作一氣呵成，完全不拖泥帶水，這樣的衝勁很難想像動力只是1.5L的油電複合。整個測試過程大約60秒左右，回到起點實在令人意猶未盡，這時我實在很不願意下車，因為開得不過癮！
根據了解，這輛超輕量化CR-Z並沒有量產計畫，理由很簡單，因為身價太高很難量產，不過HONDA工程人員私下透露，現在正努力朝量產化努力，但非車輛而是輕量化技術，只要能降低成本，未來極有可能會運用在量產車上。
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HONDA 美日/本田CR-Z
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