GP-1938
| Date
|
| Grand Prix
| Location
| Winner
| Team
| Report
|
| April 10, 1938
| 
| Pau
| Pau
| Rene Dreyfus
| Delahaye
| Report
|
| April 18, 1938
| 
| Campbell
| Brooklands
| Prince Bira
| ERA
| Report
|
| April 23, 1938
| 
| Cork
| Carrigrohane
| Rene Dreyfus
| Delahaye
| Report
|
| May 15, 1938
| 
| Tripoli
| Mellaha
| Hermann Lang
| Mercedes-Benz
| Report
|
| May 29, 1938
| 
| Gavea
| Gavea
| Arthur Nascimento Jr.
| Alfa Romeo
| Report
|
| June 5, 1938
| 
| Frontieres
| Chimay
| Maurice Trintignant
| Bugatti
| Report
|
| June 12, 1938
|
| Rio de Janeiro
| Gavea
| Carlo Pintacuda
| Alfa Romeo
| Report
|
| July 3, 1938
|
| France
| Reims
| Manfred von Brauchitsch
| Mercedes-Benz
| Report
|
| July 24, 1938
| 
| Germany
| Nurburgring
| Richard Seaman
| Mercedes-Benz
| Report
|
| August 7, 1938
| 
| Coppa Ciano
| Montenero
| Hermann Lang
| Mercedes-Benz
| Report
|
| August 14, 1938
|
| Coppa Acerbo
| Pescara
| Rudolf Caracciola
| Mercedes-Benz
| Report
|
| August 21, 1938
| 
| Switzerland
| Bremgarten
| Rudolf Caracciola
| Mercedes-Benz
| Report
|
| September 11, 1938
|
| Italy
| Monza
| Tazio Nuvolari
| Auto Union
| Report
|
| October 15, 1938
|
| Mountain
| Brooklands
| Raymond Mays
| ERA
| Report
|
| October 22, 1938
|
| Donington
| Donington Park
| Tazio Nuvolari
| Auto Union
| Report
|
