F1 Championship leaders
Drivers’ Championship
| # | Grand Prix | Leader | Lead |
|---|---|---|---|
| 1 | Brazil | (BRA) Nelson Piquet | 5 |
| 2 | USA West | (AUT) Niki Lauda | 1 |
| 3 | France | (BRA) Nelson Piquet | 5 |
| 4 | San Marino |
| 0 |
| 5 | Monaco | (BRA) Nelson Piquet | 2 |
| 6 | Belgium | (FRA) Alain Prost | 4 |
| 7 | Detroit | (FRA) Alain Prost | 1 |
| 8 | Canada | (FRA) Alain Prost | 3 |
| 9 | Britain | (FRA) Alain Prost | 6 |
| 10 | Germany | (FRA) Alain Prost | 9 |
| 11 | Austria | (FRA) Alain Prost | 14 |
| 12 | Netherlands | (FRA) Alain Prost | 8 |
| 13 | Italy | (FRA) Alain Prost | 2 |
| 14 | Europe | (FRA) Alain Prost | 2 |
| 15 | South Africa | (BRA) Nelson Piquet | 2 |
- First time as championship leader
- No driver led the championship for the first time in 1983
- Last time as championship leader
- No driver led the championship for the last time in 1983
- First time as championship leader since…
- 1977 for Niki Lauda
- 1981 for Nelson Piquet
- Last time as championship leader until…
- 1986 for Nelson Piquet
- First time as championship leader by a…
- Austrian driver since 1977
- Brazilian driver since 1981
- Last time as championship leader by a…
- Brazilian driver until 1986
Constructors’ Championship
| # | Grand Prix | Leader | Lead |
|---|---|---|---|
| 1 | Brazil | Brabham-BMW | 5 |
| 2 | USA West | McLaren-Ford Cosworth | 10 |
| 3 | France | McLaren-Ford Cosworth | 4 |
| 4 | San Marino | Ferrari | 1 |
| 5 | Monaco | Ferrari | 2 |
| 6 | Belgium | Renault | 5 |
| 7 | Detroit | Renault | 4 |
| 8 | Canada | Renault | 0 |
| 9 | Britain | Renault | 3 |
| 10 | Germany | Ferrari | 3 |
| 11 | Austria | Renault | 3 |
| 12 | Netherlands | Ferrari | 12 |
| 13 | Italy | Ferrari | 17 |
| 14 | Europe | Ferrari | 11 |
| 15 | South Africa | Ferrari | 10 |
- First time as championship leader
- No constructor led the championship for the first time in 1983
- Last time as championship leader
- Brabham
- First time as championship leader since…
- 1975 for Brabham