Renault B680, Engine
| Engine capacity | 747 cm³ |
| Maximum power (range), hp | 24 |
| Maximum torque, N*m (kg*m) at rpm. | 48 (5) / 2500 |
| Fuel used | Gasoline AI-92 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | carburetor, OHV |
| Maximum power, hp (kW) at rpm | 24 (18) / 4500 |
| Compression Ratio (Range) | 8.5 |
| Cylinder diameter (range), mm | 54.5 |
| Piston stroke (range), mm | 80 |
| Number of valves per cylinder (range) | 2 |