Abstract: A low-profile vehicle chassis comprising at least one chassis section comprising an upper side, a lower side spaced from the upper side and a cavity defined between the upper and lower sides of the chassis. At least one drivetrain and/or power component of the vehicle is contained within the cavity. Also, a vehicle comprising such a chassis. Also provided is a drivetrain module for an electric vehicle, the drivetrain module comprising a housing, at least one electric motor within the housing, a gearbox within the housing and having an input connected to the at least one electric motor to receive drive from the at least one electric motor, and at least one drive shaft connected to an output of the gearbox to transmit mechanical drive from the gearbox.