Hey, now these pictures are very different than the ones I saw before.
The first shot is a typical blur motion shot, but nothing's wrong with that. I like the grayish, concretey (I know, it's not a word) color scheme. I notice some ugly marks around the lines and the rear of the car--like the quality is low or you shrunk the picture too much. Oh wait, I forgot I have a bigger monitor now. But I'd advise a ~700xwhatever size. That 60 pixels wider than they are now. I don't know. But back on topic...
The second Chapparel is amazing! I don't know what that effcet is called, but it turned out looking beautiful in this shot. You should keep stuff like this for the artistic competitions--I'd vote for it. Like PB said, it reminds me of some sort of anime, Gundam Wing in particular. That was a good show. This is a top notch picture.
The Saleens turned out a little less great, but they're still fun to look at. The first shot has a great composition and nice colors. I like how the S7 is racing into the emergency lane. What a rebel.
THe second shot is crazy. The best part is the rear of the car and the backfire. It's an alright effect, but I wouldn't make a whole update like that.
Number 3 is, like #1, pretty cool. I like the background streaking by and the pencil effect worked better in this than #1. The highlight on the side of the car makes it look low and sleek, which it is. I think you overdid it on the backfire shot, though. I'd sort of back off on the number of backfire shots. Oh, and the blur isn't going the same direction as the car at road-level.
This update is way better than your last. Escpecially that second Chapparel. You should try more of those and see how they turn out. And you wouldn't happen to have a full-size shot of that lying around, would you? That would make a sweet wallpaper.
Thanks for telling me what to work on though. 
) and in the last shot looks awsome, i love the backfire and the brake glow, it really stands out
to the first shot! The blur is awsome 👍 
