This tutorial by CG Bird is a complete guide to 3D modeling a game asset. You'll learn step-by-step, starting with basic shapes and adding more detail. This video is perfect for beginners and covers all the basic Blender tools and modifiers you'll need. By the end, you'll know enough to model game assets with the main focus on cars, as well as other objects.
The full 'Game Asset Course' will cover finding references, 3D modeling, and UV unwrapping. If you're interested in learning about texturing in Substance Painter, let me know.
