Does the Mercedes CLK AMG63 convertible seem more showy than the BMW M6 convertible?

Regardless of the fact that the M6 has a 10K price difference I think the CLK seems more showy. I like then both quite a bit and have been looking into both. A decent sizes back seat is very important to me. The main reason I am drawn to the mercedes is because the legroom is significantly greater for the backseat passengers. My one concern is that CLK has a more showy feel to it. I would love to hear any of your opinions!