A vehicle drive system , comprising: a case accommodating a first rotary electric machine (MG1) and a second rotary electric machine (MG2) 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 (MG1) and the second rotary electric machine (MG2); wherein the case includes a peripheral wall portion surrounding the first rotary electric machine (MG1) and the second rotary electric machine (MG2); 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 (D) connecting a first cross point (B) and a second cross point (C), the first rotary electric machine (MG1), and the second rotary electric machine (MG2), the first cross point (B) being a cross point of a center line of the second rotary electric machine (MG2) 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 (C) being a cross point of a tangent of the first rotary electric machine (MG1) intersecting a center line of the first rotary electric machine (MG1) 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 (MG1) and a second rotary electric machine (MG2) 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 (MG1) and the second rotary electric machine (MG2); wherein the case includes a peripheral wall portion surrounding the first rotary electric machine (MG1) and the second rotary electric machine (MG2); 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 (D) connecting a first cross point (B) and a second cross point (C), the first rotary electric machine (MG1), and the second rotary electric machine (MG2), the first cross point (B) being a cross point of a center line of the second rotary electric machine (MG2) 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 (C) being a cross point of a tangent of the first rotary electric machine (MG1) intersecting a center line of the first rotary electric machine (MG1) 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). <EOS>