I know you are a beginning painter...but..this needs a lot of work.
-The "Triangles" around the Penske Logos could be removed with the magic wand
-Always go from Big to Small, not the otherway around. Size a logo for the Hood of the car and duplicate and resize as necessary for the rest of the car.
-Dodge text's could be black or blue, same with the GoodYear text.
-Rims could be blue or left black.