I dont think this is too bad at all for not knowing what you are doing. Might i make a few suggestions?
I would first make the background of the image clean. What that means is take away anything that distracs the eye from the subject(the car). So dont park in front of a party store. I start reading the signs and what not..haha. Try a brick wall or sky or something.
The second thing i would do is choose a better angle that is more flattering to the vehicle. I would suggest moving around the car by taking some steps to your left in this photos. If you would have been kinda squared up with the direction the front wheel was pointing and maybe lowered the camera down when you shot or moved it up a little the car would look nicer. Also, dont be afraid to either move closer when shooting wide, or zoom all the way in and step back a tad. Filling the frame with car also helps make the focus on the vehicle and helps take care of distracting background.
Hope that helps a bit! Go out and shoot some more, id love to see some more pics!
Btw..your car reminds me of my old mustang..
.Chris.
