| Subaru CB engine | |
|---|---|
 CB18 in a Levorg (Oct 2020) | |
| Overview | |
| Manufacturer | Subaru |
| Production | 2020–present |
| Layout | |
| Configuration | Flat-4 |
| Displacement |
|
| Cylinder bore |
|
| Piston stroke | 88 mm (3.46 in) |
| Valvetrain | DOHC 4 valves x cyl. with AVCS |
| Compression ratio | 10.4:1 |
| Combustion | |
| Turbocharger | Yes |
| Fuel system | Fuel injection |
| Fuel type | Petrol/gasoline |
| Cooling system | Water-cooled |
| Output | |
| Power output | 177 PS (130 kW; 175 hp) |
| Torque output | 300 N⋅m (221 lb⋅ft; 31 kg⋅m) |
| Chronology | |
| Predecessor | FB, FA (split diagonally) |
The Subaru CB engine is a gasoline boxer-4 engine used in Subaru automobiles. It is the fourth generation of Subaru boxer engines, following the first (EA, 1966–94), second (EJ, 1989–2021), and third (FB/FA, 2010/2012–present) generations.