Model is good. now u need to improve ur materials and lighting. the wire shows a good modelling but the lighting is kinda confusing and materials look like plastic like a toy car.
can u put some clay renders? only gray material with no wire?
For a first car it's ok. I'd say a good start. u got the basic idea of how to model a car. now u go to the next step and that's how to improve ur modelling skills and keep practicing and refining ur modelling skills till u master modelling.
I'd suggest to watch modelling vids on youtube. there u...