10+ points for that Pun...
anyway on with the review.
Excellent line work!
you show a great understanding of shape, proportions and line control!
however ive noticed you dont have much in the way of shadeing in any of your works on NG.
next thing you study should be rendering!
its not that hard traditionally. just get the blending stubs a kneaded eraser and any pencil.
Take it from me. studying Rendering helps you under stand Form better.
(if you ever wonder why you find it difficult to draw cars its because you dont have much experience with form.)
Anyway best of luck to you!