Again it doesn't look too bad at all!
Though, Try not to build up too much Geo too early on. At this stage your going to be making allot of big tweaks and extrudes, and what not. With all these extra edges in the way, it's going to make things allot harder. Also, you don't have to bevel your edges so early either.
I would rough out the whole car then add details as I worked up the resolution.
Anyway, Nice work!
If you have any questions, or need help with anything. Just post them here. I'm sure people around here wont mind helping if they can.
"Your weapons are no match for ours! People of Mars, surrender!"
"Um, this isn't Mars. This is Earth."
"Earth? Earth-with-nuclear-weapons Earth?"
[long pause] "Friend!!"