A powertrain of a hybrid vehicle may include a planetary gear set, a first motor unit and a second motor unit. The planetary gear set may include three rotary members in which one rotary member is connected to an engine and another rotary member is connected to a front driveshaft. The first motor unit is connected to the remaining rotary member in the three rotary members, and the second motor unit is connected to a rear driveshaft and supplying power to the rear driveshaft.