The invention relates to a control device (2) for controlling a vehicle having an electric motor (1), the control device comprising a control system (21, 22, 23) provided with one or more levers movable between a minimum control position and a maximum control position, and a control unit (3) for controlling the motor. Said control unit (3) includes acquisition means (31) for acquiring a signal representative of the position of said control system, determination means (32) for determining a setpoint speed value corresponding to said acquired signal, as a function of a maximum setpoint speed value associated with the maximum control position, and control means (33) for controlling the motor as a function of the determined setpoint speed. Said control device has adjustment means (34) arranged with the lever(s) of the system to enable the maximum setpoint speed value to be adjusted without taking a hand away from the lever(s). The invention also provides a corresponding vehicle.
