A vehicle drive system, comprising: a case accommodating a first rotary electric machine and a second rotary electric machine that are arranged to include respective rotational axes parallel to each other and to be radially adjacent to each other; and a power control device (10; 210) configured to control electric power supplied to the first rotary electric machine and the second rotary electric machine; wherein the case includes a peripheral wall portion surrounding the first rotary electric machine and the second rotary electric machine; the power control device (10; 210) is mounted in a mounting section (20; 220) provided on an outer peripheral surface of the peripheral wall portion; a lower part of the power control device (10; 210) is located within a space (F1; F6; F7; F8) surrounded by a line connecting a first cross point and a second cross point, the first rotary electric machine, and the second rotary electric machine, the first cross point being a cross point of a center line of the second rotary electric machine in a perpendicular direction with the case located on a side where the mounting section (20; 220) in which the power control device (10; 210) is mounted is located, the second cross point being a cross point of a tangent of the first rotary electric machine intersecting a center line of the first rotary electric machine in a horizontal direction with the case located on the side where the mounting section (20; 220) is located; the drive system characterized in that: a terminal block (40; 240) that holds a second connection terminal (41; 241) electrically connected to a first connection terminal (13; 213) included in the power control device (10; 210), and is disposed beside a lower part of the power control device (10; 210). a case accommodating a first rotary electric machine and a second rotary electric machine that are arranged to include respective rotational axes parallel to each other and to be radially adjacent to each other; and a power control device (10; 210) configured to control electric power supplied to the first rotary electric machine and the second rotary electric machine; wherein the case includes a peripheral wall portion surrounding the first rotary electric machine and the second rotary electric machine; the power control device (10; 210) is mounted in a mounting section (20; 220) provided on an outer peripheral surface of the peripheral wall portion; a lower part of the power control device (10; 210) is located within a space (F1; F6; F7; F8) surrounded by a line connecting a first cross point and a second cross point, the first rotary electric machine, and the second rotary electric machine, the first cross point being a cross point of a center line of the second rotary electric machine in a perpendicular direction with the case located on a side where the mounting section (20; 220) in which the power control device (10; 210) is mounted is located, the second cross point being a cross point of a tangent of the first rotary electric machine intersecting a center line of the first rotary electric machine in a horizontal direction with the case located on the side where the mounting section (20; 220) is located; the drive system characterized in that: a terminal block (40; 240) that holds a second connection terminal (41; 241) electrically connected to a first connection terminal (13; 213) included in the power control device (10; 210), and is disposed beside a lower part of the power control device (10; 210).