Subaru’s new WRX STI is the future of Subaru race rockets. Built with a new platform, the WRX is has better suspension than before and comes with a new engine with 305 hp. The 2.5-liter turbo four hauls ass in a serious way. Te WRX has a six-speed manual and limited-slip differentials, the new STI’s most noteworthy addition is a brake-based torque-vectoring system for the front axle..

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2015 Subaru WRX STI vs. 2014 Porsche Cayman