2-seater sports, 2/4-seater sports, sports saloon, fixed-head coupé, drophead coupé.
A.C. Bertelli's magnificent, if rather heavy, 11/2-litre with chain-drive ohc, pump-cooled head, thermosyphon circulation to the block, and dry sump lubrication with twin oil pumps. Internationals have worm-drive back ends and separate four-speed 'boxes. Most bodies by Enrico Bertelli, choice of 102ins or 118ins wheelbases.
- 1495cc (S4 OC)
- Front engine, rear-wheel drive
- Production dates:
- 1929 to 1932
- Number produced: