Thanks
The wires actually look pretty good. There are a few triangles you might want to look into getting rid of, but they don't seem to be doing much harm to the mesh. There are some sections I feel you could simplify, getting rid of some loops. I feel it's best to use the least amount of polys while getting the same effect.
My mustang's going slow :/ I don't get much time for art with school and all. Hopefully I can do some work this weekend.
Now, on to your car! Here I've marked up your image a bit:
Now, for an explanation:
The blue lines are loops you can probably get rid of and not change the actual model any. There are most likely other places you can achieve this as well, so be sure to look at that yourself.
The green lines show where you should cut or, you can simple bevel the loops next to them (to select a loop of edges, select one edge in the loop and press 'q'). The yellow circled part, with the image next to it, shows what you're leaving out. The front actually sweeps around a bit more, and you might want to make sure you model that.
Next, I'd advise you actually model the headlights. That means that you'll want to model the indentation that the headlights make, then put the glass plane over.
Also, be sure to observe where indentations are, that split things like the hood from the car. In the end you may want to detach the hood from the whole car model, then make it thicker to add realism.
Good start though! I look forward to seeing this progress