推荐回答（1个）
既然是保时捷家族的跑车系列，cayman s的动力性自然令人期待，事实上它也没有让我们失望。保时捷首先推出的cayman s搭载3.4l的水平对置6缸发动机，这款发动机采用带电子液压挺杆的vario cam vvt可变气门正时系统，这个系统是专门应用于911系列的技术。在这个系统的支持下，这款3.4l排量的发动机最大输出功率高达惊人的295马力，340牛米的峰值扭矩可以在4400转到6000转的转速区间内恒定保持。有了这样强大的动力和平稳的峰值扭矩，cayman s的百公里加速时间达到5.4秒，最高车速更是达到了274km/h。
尽管如此，cayman s的油耗量大约只是市区12升/100公里，在高速公路上8升/公里。其排放标准已达到了美国levii（低污染部二级）的标准。 除了应用短行程设计和可变气门正时及扬程技术之外，这款新型发动机还受益于最新研发的曲轴、主轴承和活塞。cayman s采用与911 carrera相同的曲轴规格，它的铝制曲轴箱实际上与使用在保时捷carreraGT上的一样。
传动：改良的六档手动变速箱tiptronic s自动变速箱可选装 为处理3.4升引擎排气量的增加，cayman s将boxster s的六速手排变速系统加以改进，缩短其第一、二档之间的传动比。与在911 carrera和 boxster s中的一样，cayman s第一、二档的同步齿轮也覆有防碳涂层，以确保功效的最大化。
在配备PDK的Cayman S中，3.4升动力单元能够产生320 hp的输出功率，结合Sport Chrono组件，车辆从静止加速到100 km/h仅需4.9秒，而百公里耗油量仅为9.4升。Cayman配备的2.9升动力单元能够产生265 hp的最大输出功率，同样与PDK搭配时，燃油效率也得到进一步提升，百公里耗油量仅为9.1升。这两款车型都完全满足严格的欧洲EU5排放标准和美国ULEV标准的要求。
为使换档干脆利落而又不失精确，cayman s的变速箱在第一、二档设有3倍同步啮合，在第三、四、五、六档设有2倍同步啮合。
不仅变速箱易于操控，引擎也足够强劲，甚至能为那些称为“懒人”的驾驶者提供足够的动力支持。例如，在以第5档位50mph(80公里/小时)的速度行驶时，如果驾驶员想做一个短暂的调整，只需要踩一下油门，cayman s便会立即响应，仅耗时6.6秒就能加速至125km/h。
除六速手动变速系统外，保时捷还为cayman s搭配了享有美誉的tiptronic s手自排变速箱作为其选配。这款五速手自排变速系统使得驾驶者在换档时，只需操纵安在中央控制台上的排档杆，或者只需推动安装在方向盘纵横杆上的快速控制装置就能实现。
即使使用自动变速箱时，2006款保时捷cayman s由静止加速至96km/h也仅需5.8秒。
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