 |
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 a series of V6 piston engines from Hyundai Motor Company, based on the Mitsubishi 6G7 engine. 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).