A vehicle may include a propeller shaft that extends from a transmission toward a vehicle rear side and left and right battery units disposed below floor panels disposed on the left and right sides of a floor tunnel. The propeller shaft may include a first shaft portion connected to the transmission and a second shaft portion connected to the first shaft portion via a universal joint. The left and right battery units may have inner side surface portions that face the inner side in the vehicle width direction, respectively. Planar protectors that cover the portions of the inner side surface portions on the vehicle rear side of the universal joint may be mounted to the battery units, respectively.