Bore x stroke is 85 mm × 88 mm (3.35 in × 3.46 in), the engine's advertised power is at 5,000 rpm with of torque at 4,000 rpm. Applications (G4CP) Hyundai Grandeur (L) (1986–1992) Hyundai Sonata (1988–1998) G4JP 2.0 (Sirius II) is the Korean version. Bore x stroke is 85 mm × 88 mm (3.35 in × 3.46 in). It has a cast iron engine block and aluminum DOHC cylinder heads. It uses MFI fuel injection, has 4 valves per cylinder and features forged steel connecting rods. The engine's advertised power is at 6,000 rpm with of torque at 4,000–4,500 rpm. Applications (G4JP) Hyundai Grandeur (LX) (1992–1998) Hyundai Santa Fe (SM) (2000–2005) Hyundai Sonata (1993–2004) Hyundai Trajet (1999–2007) Kia Optima (MS) (2000–2005) Kia Joice (1999–2002) 4GA1-1 JAC's 4GA1-1 was learnt from Hyundai, it uses DOHC 16-valves and SFI technology Applications (4GA1-1) JAC S1(Ruiying) The Hyundai Sirius LPG engine, the engine's advertised power is at 4,500 rpm with of torque at 2,500 rpm. Applications (L4CP) Hyundai Santamo (1997–2002) The Hyundai Sirius II LPG engine, the engine's advertised power is at 4,500 rpm with of torque at 2,500 rpm. Applications (L4JP) Kia Joice (1999–2002) 2.4L (G4CS/G4JS/L4CS) There are two variants of the Sirius engine called G4CS and G4JS, bore is 86.5 mm while stroke is 100 mm. The G4CS is of an SOHC design, its advertised power is at 4,500–5,000 rpm with of torque at 2,500–4,000 rpm. Applications (G4CS) Hyundai Grandeur (1986–1998) Hyundai Sonata (1988–1991) Hyundai Starex (1997–2004) The G4JS has a compression ratio of 10.0:1. Output is 141 PS (104 kW) at 5,500 rpm with of torque at 3,000 rpm. It has a cast iron engine block and aluminum DOHC cylinder heads. It uses MPI fuel injection and features forged steel connecting rods. Applications (G4JS) Hyundai Santa Fe Hyundai Sonata Hyundai Starex Kia Optima (2000–2005) Kia Sorento The L4CS variant makes at 4,000 rpm with of torque at 2,000 rpm. Applications (L4CS) Hyundai Starex (1997–2004) See also List of Hyundai engines References Sirius Straight-four engines