SURROUNDING VEHICLE DISPLAY METHOD AND SURROUNDING VEHICLE DISPLAY DEVICE

A surrounding vehicle display device includes: a surrounding information detection device that obtains information on surroundings of a host vehicle; and a vehicle speed sensor that detects a vehicle speed of the host vehicle. The surrounding vehicle display device includes a controller that uses the information obtained by the surrounding information detection device to generate a virtual image that indicates the surroundings of the host vehicle as being viewed from above the host vehicle and a display displays the virtual image. The controller makes a display region of at least a rear region around the host vehicle on the virtual image wide when the vehicle speed detected by the vehicle speed sensor is higher than a low vehicle speed.