Having started out with Anim8or before discovering Wings, I found that Wings has an easier to use interface for modeling purposes. Seems quicker to me to build the bulk out first and add detail rather than play connect the dots from the outset. There are some things that can be done one program that can't be done in the other, and it goes both ways. And sure, there's no reason not to model a car. (Unless you really feel that it's been overdone eleventy billion times like an Audi TT or VW Bug.) I've got a Stingray Vette partially done in Wings that I never really completed from a while back. I could send the file which you could detail, or you could look at it and get ideas for doing one fresh from scratch on your own. Also take a look at the tutorials here. I've got a somewhat new one under the Wings3D category which might be useful.

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Barbequed Pixels?

Your friendly neighborhood Wings3D nut.
Also feel free to browse my freebies at ShareCG.
There might be something worth downloading.