The Volvo TR670 Series is a taxicab manufactured by Volvo between 1930 and 1937. The model name stands for TRafikvagn, 6 cylinders, 7 seats; the third digit indicates the version.
The Volvo PV650 Series is an automobile manufactured by Volvo between 1929 and 1937. The model name stand for PersonVagn, 6 cylinders, 5 seats; the third digit indicates the version.