Metallirunkoiset

Metallirunkoiset refers to the Finnish term for "metal-framed" or "metal-bodied" in the context of vehicles. This classification primarily distinguishes vehicles based on the primary material used in their construction. Metal-framed vehicles, as the name suggests, utilize a chassis or frame primarily composed of metal, typically steel or aluminum, to provide structural integrity and support for the rest of the vehicle's components.

This construction method has been the dominant approach in automotive manufacturing for a considerable period due to the inherent strength, durability, and formability of metals. It allows for robust designs capable of withstanding the stresses of driving and impacts. The metal frame serves as the backbone, to which the engine, suspension, body panels, and interior are attached.

While many vehicles historically and currently fall under this broad category, the term "metallirunkoiset" is often used in contrast to other construction methods. These might include vehicles with a unibody construction, where the body and frame are integrated into a single structure, or vehicles made from lighter, non-metallic materials like carbon fiber or composite plastics, which are becoming more common in high-performance or specialized applications. The choice of frame material significantly influences a vehicle's weight, safety characteristics, manufacturing costs, and overall performance.