To provide a truck for a vehicular collision test capable of restraining an expense required for the collision test from being increased.

A body floor 11 for the truck for the vehicular collision test is provided with a plurality (for example, three) of front attaching parts 21, right side attaching parts 22 and left side attaching parts 23 for fixing detachably a collision member 14 under relatively different arrangement conditions, a guide grove 25 for moving the collision member 14 along a prescribed route between each od the attaching parts 21, 22, 23, and cabin attaching part 30 for fixing detachably a cabin part under relatively different arrangement conditions. The collision member 14 is provided with a collision plate 41, a fixing member 43 fixed to the respective attaching parts 21, 22, 23, and an attaching member 44 attached movably to an inside of the guide grove 25.