Porsche PDK打100分，那VW（Audi）的DSG只能給95分，Ford Powershift更只有90分。
大家真的對Powershift不要有太多遐想
他真的是以燃油經濟性為主的變速箱
跟DSG是有段差距在的...............
轉載自autoblog
http://chinese.autoblog.com/2008/12/16/ford-focus-powershift-tdci/
這一篇文章主要是得敘述一下我對Powershift這具變速箱的感想。由於Focus Powershift TDCi的四門豪華經典版是以一般大眾為主要訴求對象，因此我對變速箱的表現不會太嚴苛。但！儘管五門「運動旗艦版」使用的是同樣一具變速箱，而且既然強調的是「運動」，那原廠就應該把變速箱調校得更「Sporty」一點吧，可惜的是事實上並不是如此。
一具有本錢可以強調運動設定的變速系統，卻因為原廠所做的調校而讓我大失所望。此話怎講？更快的換檔時間、更平順的換檔動作以及更為經濟的油耗，這是所謂雙離合器變速箱最主要的開發原由。而以我個人所開過的搭載雙離合器變速箱車款來說，Porsche PDK是變檔速度最快、讓人完全感受不到換檔作動的系統，如果我給Porsche PDK打100分，那VW（Audi）的DSG只能給95分，Ford Powershift更只有90分。因為Powershift（不論Focus TDCi四門或五門車款皆然）在低速起步的過程中，依然會感受到換檔時有一段的間隙空窗期，動力銜接並沒有想像中來的直接。
由於以往 Ford Focus總給人相當濃烈的運動性格，再加上此次改款車型搭載目前最夯的雙離合器變速箱，原本懷著想要以奔騰之姿來體驗操駕，但卻被平順的動力輸出給潑了盆冷水。Powershift雙離合器變速箱與TDCi柴油引擎結合後，性能表現完全異於之前的的6速手排款Focus TDCi，手排款可以充分體驗TDCi柴油引擎猛爆的低速扭力輸出，而Powershift雙離合器變速箱則在電腦的精密控制之下壓抑了那股猛然竄出的力道。
再形容地更仔細一點吧，Powershift雙離合器變速箱在原廠的設定條件之中，把舒適以及燃油經濟性擺放在首位，也因此在行進間操駕並沒有其它雙離合器變速箱例車款如拉高轉速待命、鎖定檔位以及退檔加速等等的換檔邏輯，整體表現說起來只能用「溫順」兩字來形容。
在操作這具Powershift雙離合器變速箱時，也無法以一般熟悉的雙離合器變速系統操作方式進行換檔動作。當系統偵測到引擎轉速過高（約 5000rpm）時會立即升檔，另外當你準備進入彎道進行退檔動作時，引擎轉速也必需低於2500rpm以下方可作動。換句話說，迫於此換檔邏輯之下，駕駛者必須在進彎前就減速至適當速域來降低引擎轉速。
總之，對我這種偶爾想熱血一下的不良中年來說，我還是懷念手排款的Ford Focus TDCi，因為Powershift真的沒有達到我所預期的。Powershift就算無法跟數百萬級的PDK所比擬，至少也得跟DSG平起平坐吧？可惜的是，它並沒有達到該水準，或許原廠該針對五門版的Ford Focus Powershift TDCi再進行微調吧。
殺氣外型、柔順動力，宏觀一點來看，Ford Focus Powershift TDCi雖然讓原本鎖定五門車型的熱血消費者們（包含我在內）會有那麼一些悵然所失，但就配備等級以及內裝質感的精進，依舊不失於是一輛超值車款。國產房車中唯一一款搭載雙離合器變速箱、ESP系統的標準配備化以及更貼心的繁體中文介面多媒體系統等等，這樣的組合表現已經超脫了以往著重於操駕感受的市場需求，畢竟這樣的族群僅是少數，但福特六和是否真的能以Powershift雙離合器變速箱柔順的表現，搶攻除了性能指標族群以外更大的市場，就有待時間來驗證了。
michael yang wrote:
下面這篇文章形容得很...(恕刪)
貼切!?雜誌只會把新車列為Our Choice，很難有公平公正的文章出現。
DSG為何是95分？這顆變速箱調校得檔煞很強，一貫歐洲的調校手法，但是Focus檔煞卻沒那樣重，比較符合台灣人的日車開多的駕駛習慣，使用同心雙離合器而非平行同心雙離合器，兩邊的磨損與受力將會不均等，也就是說內側的離合器片理論上容易先磨損，散熱也比較不好，內外軸受力也不均，兩者相較之下我覺得Focus才是勝出，拿保時捷來比較有點玩過頭了，兩者差價這樣多，不知這是褒還是貶？
如果Powershift只有90分，那我給傳統自排的評價只有60分，給DSG的評價則是80分，保時捷沒開過不予置評。
michael yang wrote:
下面這篇文章形容得很...(恕刪)
這篇爛文章 就不要再轉載了
原來autoblog的水準也只有如此而已...
先去看看TDCi的扭力曲線圖 再來說吧!
(5000轉....真不知道 是車手到底知不知道柴油和汽油車的差別...)
嚇屬人了史上達 wrote:
DSG在國外的評價沒這麼高分，是在台灣 靠著某些汽車雜誌 車商 炒出來的
Powershift在國外的評價分數並不低 在台灣 是被Ford以前的形像所害的~ ~
那我們來看看 國外的平價好了
來自drivingspirit的評比
http://drivingspirit.com/2008/06/manufact/ford/ford-powershift-versus-volkswagen-dsg/
Ford Powershift versus Volkswagen DSG
The new dual-clutch Ford Powershift transmission has finally made an appearance in the blue-oval’s own range. Powershift was made available to Volvo earlier in the year, but now Ford have seen fit to bring it in as an option on the Focus with the 108bhp and 134bhp TDCi engines.
Using the same technology that has proven so successful with Volkswagen’s DSG transmission, the Powershift has two clutches, one covering the ‘odd’ gears and the other taking care of the ‘even’. This means that gearchanges are executed quickly and smoothly, with very little interruption to the torque flow. So, given that Ford will have closely examined Volkswagen’s system and have spent considerable time perfecting their design before bringing it to market, it must be better than Volkswagen’s system. Right?
The Ford Powershift system is better, but that depends on what you say it’s ‘better than…’. It is certainly an improvement over a traditional automatic gearbox. Gear changes are faster and smoother than the auto, and that means you get better acceleration times and improved fuel economy. But before we get all excited, just compare the following sets of data that compare the manual and dual-clutch versions of the Ford Focus and Volkswagen Gol
Can you spot the problem here? While Volkswagen’s DSG manages to significantly improve acceleration and slightly reduce fuel consumption and CO2 emissions over the manual gearbox, the Ford Powershift makes all of these crucial figures noticeably worse. The C02 figures are particularly bad, as the Powershift option pushes the car into the next road tax band from 2009 onwards, meaning you’ll be paying a premium every year when you renew your road tax.
In terms of price Ford have the advantage, with Powershift costing £1,175 (inclusive of VAT) as an option whereas DSG costs more at £1,330. However, judging by the benefits of DSG to the driving experience I’d say it’s worth the extra £155.
Volkswagen are already onto their second version of the DSG gearbox, and have produced over a million units to date. They are planning to add DSG as an option to most cars in their range, even the little Polo, and you can see why. The DSG makes the car quicker, more economical and crucially gives it a lower CO2 output. All of these things are big selling points, but none of them apply to Ford’s Powershift system.
For hot hatch drivers the DSG gearbox on a Golf GTI is great - flappy paddles behind the wheel mean it’s easy to use, and the improved acceleration times are obviously a big plus when it comes to bragging rights. Ford, on the other hand, don’t even offer paddles as an option, claiming that their buyers don’t want them - er, is that right? If you were buying a Focus ST with a dual-clutch system, wouldn’t you want flappy paddles? Not that you would buy an ST with Powershift, because of course it would end up slower than the manual.
The only buyer this system makes real sense for is someone who wants a traditional clutchless auto, but that’s a fairly small segment of the market. Sadly, for folks who were hoping that Powershift would add some nifty performance-enhancing technology to the range, this will be something of a disappointment.
Sorry Ford, nice try but you need to get back to the drawing board.
In terms of price Ford have the advantage, with Powershift costing £1,175 (inclusive of VAT) as an option whereas DSG costs more at £1,330. However, judging by the benefits of DSG to the driving experience I’d say it’s worth the extra £155.blockquote>
這二段有意義？C02和road tax有的沒的，對台灣來說，有影響嗎？
至於價格~~我看是 POWERSHIFT一顆在台灣可能只要十萬，DSG都破二十萬了。
在歐洲也許對，但是在台灣對不起，VW是進口車，golf一台就要破百萬.
所以如果這樣也能比，那乾脆拿台灣的保時捷PDK來比也可以啊！
這篇文章就有二段根本跟台灣環境和現況不合，所以比來根本沒有意義.
michael yang wrote:
那我們來看看 國外的評價...(恕刪)
感謝分享！ 長知識了
不過，這並不影響 FORD 車主及 準車主 對愛車的期待
Golf 及 Focus 性格雖相似，但客層不太一樣
會買國產車的人並不會太在意他用的是不是一具「頂尖變速箱」，
性能頂尖，科技頂尖，其他的事情也是頂尖
當 Golf TDI + DSG + 6安 + ESP 要價一百多萬
而 Focus TDCi + powershift + 雙安 + ESP 只要七十幾萬
兩者的選購哲學，自然會有其市場出現，各擁其主，但個人認為這應該是不衝突的。
當我們看到 VOLVO 也採用這具 powershift gearbox，that's enough.
相信FORD車主也都知道DSG很好，因此這篇分享文也具有正面意義
Congratulations！DSG。
PS. 偶然得知 Skoda Octavia TDI + DSG + 6安 + ESP 只要八十幾萬，現在沒了，這是很可惜的 .........
對 Skoda 母廠很可惜，對台灣人也很可惜
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