The present application provides a vehicle, a window glass lifter, and a slider device of which, the slider device includes: a slider body, an engagement plate, a clamping assembly, and a locking member; the clamping assembly includes a first clamping member and a second clamping member, an adjuster is arranged between the first clamping member and the slider body, and the second clamping member is engaged on the engagement plate; side surfaces of the first clamping member and the second clamping member attached to the window glass, and side surfaces of the first clamping member and the second clamping member away from the window glass, a side surface of the slider body facing the first clamping member, and a side surface of the engagement plate facing the second clamping member are curved surfaces; the second clamping member adaptively slides on the engagement plate with changing of a position of the first clamping member, the side surfaces of the first clamping member and the second clamping member attached to the window glass are parallel to each other after the window glass is placed on the clamping assembly; and the locking member is sequentially passed through the slider body, the first clamping member, the second clamping member, and the engagement plate, to adjust a distance between the slider body and the engagement plate and to clamp the window glass.