This is a shader I made as part of the Tetracer project, it was also my first experience working in shader forge for unity.
The basic idea of a car shader is recreating the look of car paint. Car paint is special because it changes the way the surface reflects. The surface consists of two layers: the base layer which is a speckled layer with the base colour and the second layer is the coat which makes the surface more reflective if the view angle gets higher. The result is an object that is hardly reflective when looked at straight on and highly reflective when looked at from an angle
In the 3th picture you can see how the shader looks in Shaderforge.