| Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Alfa Romeo 15 HP Corsa | 1920 | 17 kW | 2411 ccm | - | - |
| Alfa Romeo 20-30 ES | 1920 | 50 kW | 4250 ccm | - | - |
| Alfa Romeo 40-60 HP Corsa | 1920 | 53 kW | 6080 ccm | - | - |
| Alfa Romeo Grand Prix | 1920 | 65 kW | 4488 ccm | - | - |
| Alfa Romeo 2/30 ES | 1921 | 50 kW | 4250 ccm | 130 km/h | - |
| Alfa Romeo 40-60 hp Corsa | 1921 | 53 kW | 6082 ccm | - | - |
| Alfa Romeo G1 | 1921 | 53 kW | 6300 ccm | - | - |
| Alfa Romeo Grand Prix | 1921 | 76 kW | 4490 ccm | - | - |
| Alfa Romeo 40-60 Hp Corsa | 1922 | 53 kW | 6082 ccm | - | - |
| Alfa Romeo G1 | 1922 | - | 6299 ccm | - | - |
| Alfa Romeo RL | 1922 | - | 3000 ccm | - | - |
| Alfa Romeo P1 | 1923 | 33 kW | 1500 ccm | - | - |
| Alfa Romeo RL | 1923 | 33 kW | 3000 ccm | - | - |
| Alfa Romeo P1 | 1924 | 33 kW | 1499 ccm | - | - |
| Alfa Romeo P2 | 1924 | 107 kW | 1986 ccm | - | - |
| Alfa Romeo RL | 1924 | 107 kW | 3000 ccm | - | - |
| Alfa Romeo RM | 1924 | 33 kW | 1994 ccm | - | - |
| Alfa Romeo RM Sport | 1924 | 33 kW | 1996 ccm | 100 km/h | - |
| Alfa Romeo P 2 | 1925 | 108 kW | 1987 ccm | - | - |
| Alfa Romeo RL | 1925 | 62 kW | 2992 ccm | 130 km/h | - |
