Greenlight #12901 1/18 1979 Chevrolet Camaro Z28 Competition? There is no competition with this brilliant muscle car from the 70s. This 1979 Chevrolet Camaro Z28 is a 1/18 scale diecast model replica. It comes in Red and features new tooling, authentic decoration and true-to-scale detail. It's a terrific model for any muscle car collection, and an awesome find for devoted Chevrolet fans!