Alfa Romeo Gran Sport Quattroruote (105) '1965–67

drag coefficients

Alfa Romeo Gran Sport Quattroruote (105) '1965–67
Alfa Romeo Gran Sport Quattroruote (105) '1965–67
Alfa Romeo Gran Sport Quattroruote (105) '1965–67

0.6

Connaught L3 Roadster

Connaught L3 Roadster
 
 

0.6

Alfa Romeo 2000 Spider (102) '1958–61

Alfa Romeo 2000 Spider (102) '1958–61
Alfa Romeo 2000 Spider (102) '1958–61
Front panel Alfa Romeo 2000 Spider (102) '1958–61

0.55

Gatso 4000 Sports Roadster '1948

Gatso 4000 Sports Roadster '1948
Gatso 4000 Sports Roadster '1948
 

0.55

Alfa Romeo 2600 Spider (106) '1962–65

Alfa Romeo 2600 Spider (106) '1962–65
Alfa Romeo 2600 Spider (106) '1962–65
Front panel Alfa Romeo 2600 Spider (106) '1962–65

0.5

Alfa Romeo Giulia 1600 Spider (101) '1962–65

Alfa Romeo Giulia 1600 Spider (101) '1962–65
Alfa Romeo Giulia 1600 Spider (101) '1962–65
Front panel Alfa Romeo Giulia 1600 Spider (101) '1962–65

0.5

Alfa Romeo Giulietta Spider (101) '1958–62

Alfa Romeo Giulietta Spider (101) '1958–62
Alfa Romeo Giulietta Spider (101) '1958–62
Front panel Alfa Romeo Giulietta Spider (101) '1958–62

0.5

WheelsAge.org '2005–pr.