IMO your surfaces are all over the place. Turn on zebra stripes and double check your surface boundaries particularly where the hood and the windshield meet and on the rear fenders before the wheel. If I were judging the rendering I would dock you points on those aspects.
Do you do 3d models for a living or just as a hobby? Ask yourself if you'd put it into production yourself as an actual product. Lowering the roofline has improved your proportions considerably but if you really want to win a competition against professional modelers I would suggest starting a second draft with a sketch in mind. As it stands it looks like you dove straight into solidworks without a sketch or any kind of orthographic or reference (thus the unrefined surfaces and off proportions).
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