Revenge is a dish best served full of horsepower, which brings us to the Tire Rack's testing facility in South Bend, Indiana, not only for Infiniti's high-horsepower return, but for the arrival of another muscular model seeking some of BMW's sweet sports coupe pie - Audi's S5. The company's track provides a neutral ground for the BMW 335i (up 75 horsepower from the previous-generation 330Ci) and the Infiniti G37 (up 70 horsepower from the original G35) to fight once again, with the S5's burly V-8 here to crash the party.
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