Body assembly and vehicle

The utility model provides a body assembly and vehicle, body assembly includes: top beam assembly and side wall assembly, top beam assembly is the aluminium alloy structure piece, and the side wall assembly is steel structural component, wherein, top beam assembly adopts SPR technology to rivet mutually with the side wall assembly. The utility model provides a body assembly, its beam assembly is the aluminium alloy structure piece, compares the steel structural component in prior art, has alleviateed body assembly's weight, is favorable to the lightweight of automobile body, its side wall assembly is steel structural component, has guaranteed the intensity of side wall assembly, and push up beam assembly and side wall assembly and adopt riveting process fixed connection, because riveting process can realize the connection of different material parts, therefore reliable connection the between the side wall assembly of the top beam assembly that can realize aluminum alloy and steel matter, solved and adopted th