I'll describe all the steps I took; because I didn't just throw on simple filters and gimmicks. I never do anything simple.
The tires don't have radial blur on them, it's just some of the C4D clashing on it I believe, and some attempts of softening the roughness. The actual car image is 2541x1397. After taking a while to thoroughly cut it out to detail, I put it into my 300x120 sig... Naturally, some roughness will occur. So I blurred some of it out.
I also didn't just use complete black, none of my layers are complete black except for a couple I used for shading on overlay and such, that's just the background I used.. It's the hood of the car which hold 2 black stripes. If you look at the part of the C4D extending outward, you can see a yellow line between the black lines. So I did put the C4D on a background, but some of the blending kind of deteriorated the visibility.
Ombre, I'm working on materials. I just started rendering, but I'm workin on it. Here's the render I made for it.

It actually has a variety of shades and such.
Here's the picture I used.
Dsoup, the blurring is a response to the complaints of over sharpening.
I just don't want anyone to assume I do 5 minute jobs. My work is important to me, and I appreciate criticism.
I know what's wrong with it now. Suggestions are what I need. I'm really committed at graphics. I went through probably 10 C4D's before I got the one I used, and went through 5 different concepts of the sig before I got the actual turnout.
I work on a piece every day trying to build up on skill. I find I normally do better when someone makes suggestions rather than point out what's wrong. Don't get me wrong, I appreciate you doing that, but more often than not that only raises more problems in the signature.