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      09-19-2012, 12:52 PM   #19
derrick603
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Drives: 2007 335i
Join Date: Jun 2010
Location: Fremont, CA

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Quote:
Originally Posted by cloakster View Post
274hp, 269lb-ft of torque. Its straight line speed is pretty impressive for such an inexpensive family sedan. Though, its obviously not as fast as a 335i, but it can beat a lot of other cars out there.
Why is it that Hyundais and Kias seem to underperform compared to their horsepower specs? For example, Car and Driver tested a turbocharged Optima and only got it to trap 96 mph in the quarter. A 335i, with only 26 more horsepower, 31 lb/ft of torque, and similar weight traps almost 10 mph faster. Are they overrating their engines or is there some inefficiency somewhere?