Horch

Horch

Max Eichmann

Wilhelm Scholl

Max Sievert

Buckower Dreiecks-Rennen – 1928

Buckow

Giulio Ramponi

Vittorio Astarita

Nicolò Maraini

Fernando Maglione

Coppa Acerbo – 1928

Francisco Torres

Maurice Rost

Gran Premio de San Sebastian – 1928

Bignan B

Bignan

Pierre Clause

Pierre Bouchez

Clement Bassaud

Filippo Negri

Hervé Chandon

Grand Prix de la Marne – 1928

Edmond de Marcellus

Raymond Apparuit

Valcourt (Jean Bielovucic)

Edgard da Silva Ramos

Joseph Dudley Benjafield

Jean-Claude d’Ahetze

Grand Prix Bugatti – 1928

Romeo Guardiani

Circuito di Cremona – 1928

Diatto Special

Michele Baccoli

Luigi Forte

Reale Premio di Roma – 1928

Paul Taousson

Roger Vuillemenot

Grand Prix de Tunisie – 1928

Bianchi – Engine

Barsanti

Bianchi

Salmson S. Sebastian

Chrysler 70

Mario Barsanti

Ruggero Frilli

Bruno Presenti

Circuito del Mugello – 1928

Miller Aranem FD

Sievers – Engine

Cooper Marmon FD

Duesenberg State Auto Insurance

Miller Armacost

Miller Simplex Piston Ring

Miller Boyle Valve FD