After i finished with the model it went to Maya to create Uv Map for the car.
Here I used UDIMs as it helped me to get higher resolution by dividing uvmap with pieces:
Upon finishing that stage the car model was exported and imported in substance painter for texturing.
I really like the way how substance can easily generate masks using maps such AO and Curvature which i mainly use for adding dust, dirt, rust and damages. I also used hand painting to make more realistic vision of imperfactions:
