Automobile body in mixed construction and method of manufacturing a motor vehicle body in mixed construction

The invention relates to a motor vehicle body in composite construction, comprising a vehicle floor structure (3) and a side portion structure (20), with the vehicle floor structure (3) predominantly in the direction of body longitudinal axis (2) of the vehicle body (1) and towards a second body transverse axis (12) of the vehicle body (2), and wherein the side portion structure (20) ring shape like a closed circumferential contour (21) is formed comprising, and wherein the vehicle floor structure (3) is at least made of a carbon fiber-reinforced plastic substantially. According to the invention, the side panel structure (20) is mainly in the direction of body longitudinal axis (2) and positioned in the direction of orthogonal to the body longitudinal axis (2) and orthogonal to the body transverse axis (12) body vertical axis (11) configured to extend.