Alfa Romeo P1

Alfa Romeo P1

Willy Walb

Franz Hörner

Gran Premio d’Europa – 1923

Bugatti Type 29

OM 465

Carlo Guindani

Coppa Montenero – 1923

Bignan 11CV

Gaston Delalande

Gran Premio de San Sebastian – 1923

Bugatti Type 32

Voisin C6 Laboratoire

Sunbeam GP 1923

Henri Rougier

Victor Hémery

Enrico Giaccone

Grand Prix de l’A.C.F. – 1923

Tours

Packard Double-six

Ceirano CS2

Franco Caiselli

Alessandro Cappelli

Gran Premio Vetture di Brescia – 1923

Montichiari

Vallerio Melloni

Circuito del Savio – 1923

Wanderer 5/15 W4

De Dion – Engine

De Dion

Giovanni Capirone

Guglielmo Turner

Tulio Vesprini

Giorgio Rubbietti

Dante Novi

Guido Cecchi

Vieri Giannotti

Circuito del Mugello – 1923

Miller S8

Mercedes Indianapolis

Miller Durant Special

Miller H. C. S. Special

Packard – Engine

Lou Wilson

Ernie Ansterburg

Howdy Wilcox

Harlan Fengler

Bertrand de Cystria

Max Sailer

Cornelius Van Ranst

Eddie Hearne

Jimmy Murphy

Joe Boyer

Indianapolis 500 – 1923