A locking apparatus for a folding top of a vehicle includes a housing, a locking hook, a coupling device, and a driving apparatus. The locking hook has a gripping end and a bearing end. The coupling device is movably mounted in the housing to be horizontally adjustable in a longitudinal direction of the locking hook. The bearing end is mounted to the coupling device such that the bearing end is movably mounted in the housing to be horizontally adjustable in the longitudinal direction of the locking hook such that the locking hook is movable between closed and opened positions. The driving apparatus is for driving the locking hook to move between the closed and opened positions and includes a first two-bar linkage, a driving arm connected with the two-bar linkage, and an actuating drive for actuating the driving arm.