 Power for the C4 was provided by the same unit used in the CS, a 1003 cc four-cylinder engine (two valves per cylinder) with a bore, a stroke, a magneto ignition AND Solex carburetor; it was rated at 22 KW at 2800 rpm.The vehicle transmission (which was also used in the CC and CS models, the only difference being the longer length of the gearshift levers, necessitated by the longer chassis) provided three speeds, with power being sent to the rear wheels (a differential was not used on the rear-wheel power distribution scheme until the 1925 model, however).The suspension used semi-elliptic leaf springs in both the front and rear as well as fitted friction type dampers.