Bentley Bentley R6, Engine
| Engine capacity | 4,566 cm³ |
| Maximum power (range), hp | 130 |
| Fuel used | Petrol |
| Engine type | In-line, 6-cylinder |
| Additional engine information | 2 SU HD carburetors / 1 Stromberg carburetor |
| Compression Ratio (Range) | 6.75 - 7.25 |
| Cylinder diameter (range), mm | 92.07 |
| Piston stroke (range), mm | 114.3 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |