1981 Formula One season Drivers and constructors Drivers and constructors

| Constructor_ | Chassis | Engine | Tyres | Driver | Rounds |
|---|---|---|---|---|---|
| Brabham - Ford | BT49C BT50 | Ford Cosworth DFV 3.0 V8 | M G | Nelson Piquet | All |
| Brabham - Ford | BT49C BT50 | Ford Cosworth DFV 3.0 V8 | M G | Hector Rebaque | All |
| McLaren - Ford | M29F MP4/1 | Ford Cosworth DFV 3.0 V8 | M | John Watson | All |
| McLaren - Ford | M29F MP4/1 | Ford Cosworth DFV 3.0 V8 | M | Andrea de Cesaris | All |
| ATS - Ford | D4 D5 | Ford Cosworth DFV 3.0 V8 | M A | Jan Lammers | 1-4 |
| ATS - Ford | D4 D5 | Ford Cosworth DFV 3.0 V8 | M A | Slim Borgudd | 5-15 |
| ATS - Ford | D4 D5 | Ford Cosworth DFV 3.0 V8 | M A | Slim Borgudd | 4 |