Every car is manufactured with a place to store luggage, cargo or any other kinds of goods. The Buick GS400 trunk or hatch is the tool that gives access to the storage compartment. These Buick GS400 trunks or hatches are said to be very heavy in weight and are occasional also seen built in with tail lights. Since the Buick GS400 trunk or hatch is heavy, many drivers opt for a much lightweight hatch or a lightweight trunk that will prove to be a smoother ride. The lightweight trunk is made of either carbon fiber or fiberglass making it light in weight. The Buick GS400 carbon fiber trunk can be easily installed with the help of factory latches and mounting points.