A drive apparatus (100, 200, 300) for a hybrid vehicle comprising: an engine that applies a drive force to drive wheels via a drive shaft; a motor that applies a drive force to the drive wheels via a rotation shaft; a planetary gear mechanism that has a first element (Sf), a second element (Cf), and a third element (Rf) which line up sequentially with a gap interposed therebetween corresponding to a gear ratio in a speed diagram; and an automatic transmission that has an input shaft, and an output shaft rotatably connected to the drive wheels, and changes a gear ratio that is obtained by the division of the rotation speed of the input shaft by the rotation speed of the output shaft, wherein the input shaft and the drive shaft are connected to the second element (Cf), one of the output shaft and the rotation shaft is connected to the first element (Sf), and the other one of the output shaft and the rotation shaft is connected to the third element (Rf), wherein the planetary gear mechanism is a single pinion planetary gear mechanism, the first element (Sf) is a sun gear, the second element (Cf) is a carrier, and the third element (Rf) is a ring gear, characterized in that the automatic transmission has a first planetary gear mechanism, a second planetary gear mechanism, and a third planetary gear mechanism, the input shaft is connected to the output shaft via the first planetary gear mechanism, the second planetary gear mechanism, and the third planetary gear mechanism, and three brakes (B1 to B3) are provided so as to respectively brake the rotation of the ring gear of each of the first planetary gear mechanism, the second planetary gear mechanism, and the third planetary gear mechanism. an engine that applies a drive force to drive wheels via a drive shaft; a motor that applies a drive force to the drive wheels via a rotation shaft; a planetary gear mechanism that has a first element (Sf), a second element (Cf), and a third element (Rf) which line up sequentially with a gap interposed therebetween corresponding to a gear ratio in a speed diagram; and an automatic transmission that has an input shaft, and an output shaft rotatably connected to the drive wheels, and changes a gear ratio that is obtained by the division of the rotation speed of the input shaft by the rotation speed of the output shaft, wherein the input shaft and the drive shaft are connected to the second element (Cf), one of the output shaft and the rotation shaft is connected to the first element (Sf), and the other one of the output shaft and the rotation shaft is connected to the third element (Rf), wherein the planetary gear mechanism is a single pinion planetary gear mechanism, the first element (Sf) is a sun gear, the second element (Cf) is a carrier, and the third element (Rf) is a ring gear, characterized in that the automatic transmission has a first planetary gear mechanism, a second planetary gear mechanism, and a third planetary gear mechanism, the input shaft is connected to the output shaft via the first planetary gear mechanism, the second planetary gear mechanism, and the third planetary gear mechanism, and three brakes (B1 to B3) are provided so as to respectively brake the rotation of the ring gear of each of the first planetary gear mechanism, the second planetary gear mechanism, and the third planetary gear mechanism.