Hyundai Sigma engine
| Σ engine Sigma engine | |
|---|---|
| Overview | |
| Manufacturer | Hyundai Motor Company |
| Production | 1989–2007 |
| Layout | |
| Configuration | V6 |
| Displacement | 2.5 L; 152.4 cu in (2,497 cc) 3.0 L; 181.4 cu in (2,972 cc) 3.5 L; 213.4 cu in (3,497 cc) |
| Cylinder bore | 83.5 mm (3.29 in) 91.1 mm (3.59 in) 93 mm (3.66 in) |
| Piston stroke | 76 mm (2.99 in) 85.8 mm (3.38 in) |
| Cylinder block material | Cast iron |
| Cylinder head material | Aluminum |
| Valvetrain | SOHC, DOHC 4 valves x cyl. |
| Combustion | |
| Fuel system | Multi-port fuel injection |
| Fuel type | Gasoline LPG |
| Cooling system | Water-cooled |
| Output | |
| Power output | 135–220 PS (99–162 kW; 133–217 hp) |
| Torque output | 20.8–32 kg⋅m (204–314 N⋅m; 150–231 lbf⋅ft) |
| Chronology | |
| Successor | Hyundai Lambda engine |
The Hyundai Sigma engine is what Hyundai Motor Company called the Mitsubishi 6G7 engine when manufactured in South Korea. It is a series of V6 piston engines. The Sigma engine family began life with the simple V6 name. Displacement ranges from 2.5 to 3.5 L (2,497 to 3,497 cc).