since I own an 06 Si coupe, I can tell you that I can beat an automatic 03-04 G35 sedan/coupe but if it was a 6 speed with a good driver, it's a different story..G35 owns it all! As the G35 gets newer, the faster it gets! haha
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06 Evo 9 MR w/ TBE: 12.89@107 mph
Bone stock 06 Evo 9 MR: 13.37@102 mph
06 Civic Si coupe with I/H/E/CTSC(4 psi)/Reflash: 13.50@103 mph
Bone stock 06 Civic Si coupe: 14.49@95.5mph