Otto Merz

Otto Merz

Jean Cattaneo

Pierre Félix

Luigi Parenti

Luis Monteiro

Harold Appleyard

Jack Dunfee

Kaye Don

Armstrong Payn

Grand Prix de l’A.C.F. – 1931

Hubert Sachel

Stanisław Hołuj

Charly Jellen

Grand Prix Miasta Lwowa – 1931

Rabag-Bugatti

Guido Sebastiani

Giuseppe Savi

Giovanni Tabacchi

Reale Premio di Roma – 1931

Alfa Romeo 6C-1500 GS

Donnet – Engine

Caban

Donnet

Ignazio Consiglio

Sergio Rusca

Guido Avondet

Edouard Roux

Hans Kessler

Grand Prix de Genève – 1931

Meyrin

Hans Theisen

August Frings

Friedrich Dilthey

Fritz Kortylewski

Heinz Risse

Willi Seibel

Mathilde Schulz

Rudolf Städtgen

H. Lauenstein

Eugen Winter

Manfred von Brauchitsch

ADAC Eifelrennen – 1931

Georges Irat 17 cv

Rally ABC

Constant Knepper

Robert Goemans

Georges Puissant

Grand Prix des Frontières – 1931

Alfa Romeo Tipo A

Alfa Romeo 8C-2300 Monza

Giuseppe Aldo Bianchi

Giovanni Lurani

Francesco Pirola

Gildo Strazza