I'm not going to say one car is necessarily better than the other- it's a matter of personal taste. I will say there's no substitute for the sound and torque of that V8. But as far as handling, fit and finish are concerned, the Acura wins hands down. It's a fun, fairly quick car for what it is- and can be very fast with the right mods. Bone stock it gets smoked by a lot of cars out there now and it has typical lackluster torque a la Honda- but it's still a blast to drive and easy to work on. And unlike the Mustang, you can actually drive it in more than 1 inch of snow without sh*tting yourself. I recently drove the new GT for a few days. It was a blast, but the quality difference is ridiculously obvious. It would be hard to go back to a Mustang as a daily driver after the RSX.