| Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Alfa Romeo RM | 1925 | 33 kW | 1996 ccm | - | - |
| Alfa Romeo P2 | 1926 | 107 kW | 1987 ccm | - | - |
| Alfa Romeo RL | 1926 | 107 kW | 3000 ccm | - | - |
| Alfa Romeo RL Super Sport Zagato | 1926 | 66 kW | 2994 ccm | 150 km/h | - |
| Alfa Romeo RM | 1926 | 33 kW | 1996 ccm | - | - |
| Alfa Romeo 6C | 1927 | 33 kW | 1487 ccm | - | - |
| Alfa Romeo P2 | 1927 | 107 kW | 1987 ccm | - | - |
| Alfa Romeo RL | 1927 | 107 kW | 3000 ccm | - | - |
| Alfa Romeo P2 | 1928 | 107 kW | 1987 ccm | - | - |
| Alfa Romeo 6C 1.8 1500 | 1929 | 34 kW | 1751 ccm | - | - |
| Alfa Romeo 6C 1500 | 1929 | 33 kW | 1487 ccm | - | - |
| Alfa Romeo 6C 1750 Super Sport | 1929 | 48 kW | 1750 ccm | 130 km/h | - |
| Alfa Romeo 6C 1750 Turismo | 1929 | 35 kW | 1751 ccm | 110 km/h | - |
| Alfa Romeo 6C 1500 | 1930 | 35 kW | 1752 ccm | 120 km/h | - |
| Alfa Romeo 6C 1750 GT | 1930 | 42 kW | 1751 ccm | 135 km/h | - |
| Alfa Romeo P 2 | 1930 | 107 kW | 1987 ccm | - | - |
| Alfa Romeo 6C 1.8 1500 | 1931 | 34 kW | 1752 ccm | - | - |
| Alfa Romeo 6C 1750 GT | 1931 | 60 kW | 1752 ccm | 130 km/h | - |
| Alfa Romeo 8C 2.3 2300 | 1931 | 132 kW | 2336 ccm | - | - |
| Alfa Romeo 8C 2300 | 1931 | 106 kW | 2336 ccm | - | - |
