An aerodynamic apparatus (10) for a vehicle (2), the aerodynamic apparatus comprising: a bonnet (12) having a leading edge (18) and a trailing edge (34); a bonnet spoiler (14) having a leading edge (30) and a trailing edge (32), and being positionable vertically above the bonnet (12) and separated therefrom to form an airflow duct (22) therebetween; and a grille (16) comprising a trailing edge (20) and a front face separated by a curved upper portion (28), wherein the trailing edge (20) of the grille (16) is positionable adjacent to the leading edge (18) of the bonnet (12).