I make the moldings and seams by gluing evergreen strip to the body. I then mask off the rest of the car and put about 8 mist coats of SEM brand color coat black satin black interior paint on from about two foot away. They offer other colors too.
This started as the AMT 68 Z28 kit. Ordered a resin RS conversion kit from EBay. Kieth Marks decals Added some 3D print wheels and tires. This is a model of a friends car I built for him.
I just make mixed up a color I liked in basecoat. Then I dusted a semi gloss interior clear from SEM products over it. I use automotive paints on all my builds.
Revell Foose edition Impala. Lowered a bit on some 3D printed wheels and tires. Color is a Chevy Spark Mauve type thing. Parts box headers and homemade exhaust tips.