The amazing thing about Honda's Civic Si isn’t how good it is, but that it's still such a great car after having been on the market for so many years.
Launched in 2005 as an '06 model year car, the Si should be almost obsolete as the 2010 models start rolling in, and yet it's not. Not even close.
At 197hp, its 2.0-liter four-cylinder engine is actually the least-powerful option for a sport compact performer. The Sentra SE-R SpecV makes 200, the Cobalt SS generates 260 and the MazdaSpeed3 pumps out 263 horses.
What makes Honda's two-liter K-series motor so much fun though is the engineering behind it. Turbocharged engines like those found in the Mazda and Chevy just can't compete with the linear feeling of power that a naturally aspirated powerplant can deliver. And if Honda knows anything, it's how to build a high-revving NA motor.
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2009 Honda Civic Si on AutoGuide.com