Hey man, Yeah stock vs. stock Si has more body roll than the accord, a little mushy. I had k-sports on the accord motor mounts full exhaust so it was way better. The accord was 240hp stock, v6 6spd manual transmission. It was fast. My brother has a 2011 3.8 genesis coupe with magnaflow cat-back exhaust and we were neck & neck on a highway pull. Handling I would say goes to the civic just because its about half a ton lighter. But I got the civic si because I was tired of the stiff suspension, tired of the solid engine mounts and wanted a more fuel efficient vehicle. Overall I am happy with the civic.