An electric vehicle comprising: a motor unit configured to drive a drive wheel ; a motor control circuitry configured to control the motor unit in accordance with a motor torque command value that is generated based on commands produced from an acceleration manipulation unit and a deceleration manipulation unit ; a slip ratio estimator configured to estimate a slip ratio of the drive wheel on a road surface, based on a detection value indicating a travel speed of the vehicle and a rotational frequency of the drive wheel; a disturbance observer configured to estimate a torque that is attributable to external force that acts on the vehicle, based on the detection value indicating a travel speed of the vehicle and the motor torque command value; an applied torque estimator configured to estimate an entire torque applied to the drive wheel , based on (i) the motor torque command value or a motor current value of the motor unit and (ii) the torque estimated by the disturbance observer that is attributable to external force; a coefficient of friction estimator configured to estimate a coefficient of friction between a road surface and a tire of the drive wheel , based on the torque estimated by the applied torque estimator and the slip ratio estimated by the slip ratio estimator ; a maximum acceptable torque determiner configured to determine, referring to a plurality of relations between a coefficient of friction and a maximum acceptable torque, each of the relations corresponding to a vertical load component, a maximum acceptable torque, based on the estimated coefficient of friction and a vertical load component acting on the drive wheel; and a motor torque command value limiter configured to limit, based on the determined maximum acceptable torque, the motor torque command value. a motor unit configured to drive a drive wheel ; a motor control circuitry configured to control the motor unit in accordance with a motor torque command value that is generated based on commands produced from an acceleration manipulation unit and a deceleration manipulation unit ; a slip ratio estimator configured to estimate a slip ratio of the drive wheel on a road surface, based on a detection value indicating a travel speed of the vehicle and a rotational frequency of the drive wheel; a disturbance observer configured to estimate a torque that is attributable to external force that acts on the vehicle, based on the detection value indicating a travel speed of the vehicle and the motor torque command value; an applied torque estimator configured to estimate an entire torque applied to the drive wheel , based on (i) the motor torque command value or a motor current value of the motor unit and (ii) the torque estimated by the disturbance observer that is attributable to external force; a coefficient of friction estimator configured to estimate a coefficient of friction between a road surface and a tire of the drive wheel , based on the torque estimated by the applied torque estimator and the slip ratio estimated by the slip ratio estimator ; a maximum acceptable torque determiner configured to determine, referring to a plurality of relations between a coefficient of friction and a maximum acceptable torque, each of the relations corresponding to a vertical load component, a maximum acceptable torque, based on the estimated coefficient of friction and a vertical load component acting on the drive wheel; and a motor torque command value limiter configured to limit, based on the determined maximum acceptable torque, the motor torque command value. <EOS>