Rendering the wireframes as isoline will let you keep the smoothing at 2 and have recognizable topology. I also feel the scale on the cracked dirt/concrete is too large, making the cars all look like miniatures. I would love to see all five versions of the cars in a lineup, or something that's not a distant render with…
Finished the HP of my Duesenberg. Got to complete the interior parts and afterwards some close up renderers & wires will follow. Also heading for the engine and of cos the game-mesh. Mental Ray reflection test of my final highpoly :D Smoothed 2 times the wires..reduced turbo-smooth iterations to 1 for better cognizability…