The Inter-State Model 51 Demi Tonneau is a tourer with 4 doors and a front mounted engine which supplies the power through the rear wheels.
The Inter-State Model 51 Demi Tonneau's engine is a naturally aspirated petrol, 7.7 litre, side valve 4 cylinder with 2 valves per cylinder.
The engine drives the wheels by means of a 4 speed manual transmission.
Full specs