A vehicle comprising: an engine and a rotating electric machine generating driving power for running the vehicle; and characterized by comprising a control device for controlling the engine and the rotating electric machine, the control device causing inertial running control to be performed, by causing driving power variation operation to be performed on the engine in which the engine is switched between a first state where the engine generates non-zero driving power of a prescribed level and a second state where the engine generates driving power larger than the driving power in the first state to run the vehicle, and by causing interval operation to be performed on the rotating electric machine in which the rotating electric machine is switched between a first running pattern where the generation of the driving power by the rotating electric machine is stopped and a second running pattern where the driving power generated by the rotating electric machine is used to run the vehicle, the control device being configured to set a total driving power of the engine and the rotating electric machine during the first running pattern to be smaller than a reference driving power of the constant output capable of maintaining a speed of the vehicle, and to set the total driving power during the second running pattern to be larger than the reference driving power, the control device being configured to switch the engine to the second state during a period when the rotating electric machine is in the second running pattern, the control device, while the inertial running control is performed, causes switching to the first running pattern in response to an increase in the speed of the vehicle to an upper limit of an acceptable range, and causes the switching to the second running pattern in response to a decrease in the speed of the vehicle to a lower limit of the acceptable range, the vehicle running mainly with the inertial force of the vehicle in the first running pattern. an engine and a rotating electric machine generating driving power for running the vehicle; and characterized by comprising a control device for controlling the engine and the rotating electric machine, the control device causing inertial running control to be performed, by causing driving power variation operation to be performed on the engine in which the engine is switched between a first state where the engine generates non-zero driving power of a prescribed level and a second state where the engine generates driving power larger than the driving power in the first state to run the vehicle, and by causing interval operation to be performed on the rotating electric machine in which the rotating electric machine is switched between a first running pattern where the generation of the driving power by the rotating electric machine is stopped and a second running pattern where the driving power generated by the rotating electric machine is used to run the vehicle, the control device being configured to set a total driving power of the engine and the rotating electric machine during the first running pattern to be smaller than a reference driving power of the constant output capable of maintaining a speed of the vehicle, and to set the total driving power during the second running pattern to be larger than the reference driving power, the control device being configured to switch the engine to the second state during a period when the rotating electric machine is in the second running pattern, the control device, while the inertial running control is performed, causes switching to the first running pattern in response to an increase in the speed of the vehicle to an upper limit of an acceptable range, and causes the switching to the second running pattern in response to a decrease in the speed of the vehicle to a lower limit of the acceptable range, the vehicle running mainly with the inertial force of the vehicle in the first running pattern.