Control system of a series hybrid vehicle comprising: - a user command assembly for providing an acceleration command to said series hybrid vehicle; - a speed sensor configured to detect a running speed of said series hybrid vehicle; - an internal combustion engine, which has no transmission/connection mechanisms with the wheels of said series hybrid vehicle; - an electric generator, which is mechanically driven by the internal combustion engine so as to provide a generated electrical power; - at least one electric motor for driving one or more wheels of said series hybrid vehicle; - an energy management unit configured to receive said generated electrical power and control an electrical traction power supplied to said electric motor; and - a vehicle control unit, which is configured to: control the torque of the internal combustion engine as a function of the actuation of the user command assembly and the detected running speed in such a way as to generate a sound effect comparable to the sound effect of an internal combustion engine vehicle provided with a mechanical transmission having a plurality of gear ratios, control through said energy management unit the electrical traction power supplied to the electric motor as a function of the actuation of the user command assembly and the detected running speed, so as to generate traction dynamics comparable to the traction dynamics of an internal combustion engine vehicle provided with a mechanical transmission having a plurality of gear ratios, and characterized by the fact that said vehicle control unit is also configured to adjust through the energy management unit the electrical traction power supplied to the electric motor so as to simulate the traction dynamics of a change of gear ratio. - a user command assembly for providing an acceleration command to said series hybrid vehicle; - a speed sensor configured to detect a running speed of said series hybrid vehicle; - an internal combustion engine, which has no transmission/connection mechanisms with the wheels of said series hybrid vehicle; - an electric generator, which is mechanically driven by the internal combustion engine so as to provide a generated electrical power; - at least one electric motor for driving one or more wheels of said series hybrid vehicle; - an energy management unit configured to receive said generated electrical power and control an electrical traction power supplied to said electric motor; and - a vehicle control unit, which is configured to: control the torque of the internal combustion engine as a function of the actuation of the user command assembly and the detected running speed in such a way as to generate a sound effect comparable to the sound effect of an internal combustion engine vehicle provided with a mechanical transmission having a plurality of gear ratios, control through said energy management unit the electrical traction power supplied to the electric motor as a function of the actuation of the user command assembly and the detected running speed, so as to generate traction dynamics comparable to the traction dynamics of an internal combustion engine vehicle provided with a mechanical transmission having a plurality of gear ratios, and characterized by the fact that said vehicle control unit is also configured to adjust through the energy management unit the electrical traction power supplied to the electric motor so as to simulate the traction dynamics of a change of gear ratio. control the torque of the internal combustion engine as a function of the actuation of the user command assembly and the detected running speed in such a way as to generate a sound effect comparable to the sound effect of an internal combustion engine vehicle provided with a mechanical transmission having a plurality of gear ratios, control through said energy management unit the electrical traction power supplied to the electric motor as a function of the actuation of the user command assembly and the detected running speed, so as to generate traction dynamics comparable to the traction dynamics of an internal combustion engine vehicle provided with a mechanical transmission having a plurality of gear ratios, and characterized by the fact that said vehicle control unit is also configured to adjust through the energy management unit the electrical traction power supplied to the electric motor so as to simulate the traction dynamics of a change of gear ratio.