CONTROL DEVICE FOR VEHICLE

A control device includes a memory device configured to store a first function, and a processor. The first function is specified in advance based on a driving dataset for a plurality of drivers. The processor is configured to: calculate, in accordance with the first function, a vehicle-to-vehicle preference value of a driver according to vehicle-to-vehicle information and subject vehicle speed acquired during follow-up driving in manual driving; calculate, based on the calculated vehicle-to-vehicle preference value, one or more remaining driving preference values for at least one of acceleration, deceleration, deceleration timing, and acceleration timing; and execute, based on the calculated one or more remaining driving preference values, a target value calculation process of calculating one or more control target values for the at least one of the acceleration, the deceleration, the deceleration timing, and the acceleration timing in automated driving with the driver on board.