I am creating my first vehicle, and several people have told me i am not approaching it right or using the correct workflow. I've watched a couple car modelling timelapses and I guess i am just dense because I don't see what I am doing wrong. For me I always block things out with basic primitives and use lots of placeholders, then model things part by part, eventually making a high poly by using subdivision surface. I am modelling a GMC Canyon 2015. Here is currently what i have so far:
What am I doing wrong with my workflow/approach?