Horsepower isn't everything. You have to consider the weight as well. A google search shows that the top speed of a stock '08 Mustang GT is 145MPH with a limiter. The 2.5L Boxster tops out at 149MPH.
It would be easier to get more speed out of the Mustang, but how often do you drive 150MPH, plus the Boxster will dominate the Mustang on any curve.
These are both very different cars, if you just want straight line speed with cheap engine modifications get a Mustang. If you want a car than take a curve at speed get the Boxster.
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1999 Ocean Blue Metallic Boxster - blueboxster.com
Last edited by rick3000; 04-30-2009 at 06:53 PM.
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