A powertrain and a vehicle including the powertrain are provided. The powertrain includes: an electric motor; a transmission mounted to the electric motor and defining, together with the electric motor, an angled space for helping a half shaft of the transmission to extend along an axial direction of the transmission; a controller mounted to at least one of the electric motor and the transmission and electrically connected to the electric motor, where the controller, the transmission, and the electric motor are integrated together, at least one part of the controller being located in the angled space.