A GSR will absolutely rape an Eclipse RS or GS. Now a turbo eclipse is more of a match, but stock for stock I've seen a GSR win against the turbo more times than the turbo won. But a civic EX stands no chance at all.
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2015 Ford Mustang GT Fastback - Ingot Silver - 6M - Performance Package - Gibson Catback, JLT CAI, FR 47lb injectors, BAMA E85 tune, Eibach Sportline, BMR wheel hop kit, UPR oil separator, Steeda shifter bushing/bracket
Team B.O.B.® - Ballaz on a Budget