Avehicle driving apparatus comprising: a rotating electrical machine that acts as a source of driving force for a first wheel and a second wheel; a speed reduction device that reduces a speed of rotation of the rotating electrical machine; a differential gear device that distributes, to the first wheel and the second wheel, the driving force transmitted from the rotating electrical machine via the speed reduction device; a case that houses the rotating electrical machine, the speed reduction device, and the differential gear device; and an oil circulation mechanism, wherein the rotating electrical machine has a cylinder-shaped stator and a rotor that is located on a radially inner side relative to the stator, the speed reduction device and the differential gear device are located coaxial with the rotating electrical machine, oil is stored in the case, and the oil circulation mechanism circulates the oil within the case, characterized in that in a steady circulation state where circulation of the oil is in a steady state, an oil surface that is a top surface of the oil is positioned on a lower side relative to a lower end of an inner circumferential surface of the stator and is positioned on an upper side relative to a lower end of an outer circumferential surface of the stator, the speed reduction device includes a planetary gear mechanism (31, 32) having a sun gear (S31, S32), a pinion gear (P31, P32) that revolves around the sun gear (S32, S32), and a ring gear (R31, R32) fixed with respect to the case, and in the steady circulation state, the oil surface is positioned on the lower side relative to a lower end of a path of revolution of the pinion gear (P31, P32). a rotating electrical machine that acts as a source of driving force for a first wheel and a second wheel; a speed reduction device that reduces a speed of rotation of the rotating electrical machine; a differential gear device that distributes, to the first wheel and the second wheel, the driving force transmitted from the rotating electrical machine via the speed reduction device; a case that houses the rotating electrical machine, the speed reduction device, and the differential gear device; and an oil circulation mechanism, wherein the rotating electrical machine has a cylinder-shaped stator and a rotor that is located on a radially inner side relative to the stator, the speed reduction device and the differential gear device are located coaxial with the rotating electrical machine, oil is stored in the case, and the oil circulation mechanism circulates the oil within the case, characterized in that in a steady circulation state where circulation of the oil is in a steady state, an oil surface that is a top surface of the oil is positioned on a lower side relative to a lower end of an inner circumferential surface of the stator and is positioned on an upper side relative to a lower end of an outer circumferential surface of the stator, the speed reduction device includes a planetary gear mechanism (31, 32) having a sun gear (S31, S32), a pinion gear (P31, P32) that revolves around the sun gear (S32, S32), and a ring gear (R31, R32) fixed with respect to the case, and in the steady circulation state, the oil surface is positioned on the lower side relative to a lower end of a path of revolution of the pinion gear (P31, P32).