The gs of a car generally refers to the highest configuration of the car. Other letters mean:Generally speaking, GL (grandlux) generally refers to the same car in the luxury models or series of cars in the intermediate version of the car, GS (grandsuper) generally refers to the highest configuration, GLS (luxuryandsuper) generally refers to the top luxury models, GT (grandtourer) generally refers to the same car in the performance car. Alphabetical meaning of domestic car:Because there are few domestic Gs, many dealers directly interpret GL as the basic model and GLS as the luxury model. Luxury is GLS, not gorgeous. Other companies use GL for base model and GLS for luxury. There is no uniformity. g type or simply match; l generally stands for extended model; s generally stands for sports car; GL stands for luxury or comfort model; GS luxury sports model; GLS stands for top of the line or flagship; GT high performance car.