if you feel like you're falling behind, keep a journal so you can see the rate of your progress. You might find that you're actually accomplishing more than you think. Also with hard surface stuff like this, the last 10% of polish is really important; a darker cyberpunk, neon-lit alleyway could be a better composition fit…
The texture on the car tire looks weird. The lines should go along the car wheels, not across them. Looks like a directional lines normal map thats just on top of the wheel. Also you could lower the roughness of the car body to make it shinier. It looks almost plastic in parts, not metallic