Prototype No.1 Holden (prototype for the 48/215 Model). The car is a 2.15-litre six-cylinder, four-door, blue-gunmetal grey sedan with chrome-plated radiator grille, bumper bars and hubcaps.
The grille and hubcaps all bear a single Holden red lion badge, and the lion on the grille badge has a small gold-coloured frame around it. The paint in the centres of the wheels matches the bodywork but the rims are black.
There is a vertical division in the middle of the windscreen. The interior is trimmed in grey cloth.