Hyundai Sirius Engine - Wikipedia

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Reciprocating internal combustion engine

Sirius engine
Overview
Manufacturer	Hyundai Motor Company
Layout
Displacement	1.5 L (1,468 cc) 1.6 L (1,595 cc) 1.8 L (1,796 cc) 2.0 L (1,997 cc) 2.4 L (2,351 cc)
Cylinder bore	81.5 mm (3.21 in) 82 mm (3.23 in) 82.3 mm (3.24 in) 85 mm (3.35 in)
Piston stroke	75 mm (2.95 in) 88 mm (3.46 in)
Valvetrain	SOHC DOHC
Compression ratio	9.2:1–10.0:1
Combustion
Fuel type	Unleaded gasoline
Oil system	Pressure feed
Cooling system	Water-cooled
Output
Power output	86–141 PS (63–104 kW; 85–139 hp)
Torque output	12.6–20.6 kg⋅m (124–202 N⋅m; 91–149 lbf⋅ft)
Chronology
Successor	Beta

The Hyundai Sirius engine was the company's first larger inline-four engine, with displacements from 1.8 L (1795 cc) to 2.4 L (2351 cc). It is a license-built Mitsubishi construction. This engine is no longer used by Hyundai.

1.5L (G4DJ)

[edit] Main article: Mitsubishi Orion engine § 4G15

The 1.5 L (1,468 cc) Hyundai G4DJ engine was manufactured from 1989 to 1995 under license from Mitsubishi and was essentially a copy of the 8-valve version of the popular 4G15 powerplant, the engine's advertised power is 74–97 PS (54–71 kW; 73–96 hp) at 5,500 rpm with 12.6–14.3 kg⋅m (124–140 N⋅m; 91–103 lbf⋅ft) of torque at 3,000 rpm.

Applications

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• Hyundai Elantra (J1) (1990–1995)
• Hyundai Scoupe (1990–1992)
• Hyundai Excel/Pony (X2) (1989–1993)

1.5L (G4CL)

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The 1.5 L (1,497 cc) Hyundai G4CL engine features DOHC, the engine's advertised power is 108 PS (79 kW; 107 hp) at 6,000 rpm with 14.6 kg⋅m (143 N⋅m; 106 lbf⋅ft) of torque at 4,500 rpm.

Applications

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• Hyundai Elantra (J1) (1993–1995)

1.6L (G4CR)

[edit] Main article: Mitsubishi Sirius engine § 4G61

The 1.6 L (1,595 cc) Hyundai G4CR is an in-line four, dual overhead camshaft (DOHC) engine manufactured from 1990 to 1995 under license, as it was in fact a copy of the Mitsubishi 4G61 engine, and it was put on the first generation of the Elantra model. Unlike other power units of this series, this one never had a balancing shaft, the engine's advertised power is 126 PS (93 kW; 124 hp) at 6,000 rpm with 15.3 kg⋅m (150 N⋅m; 111 lbf⋅ft) of torque at 5,000 rpm.

Details

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• Total displacement: 1595 cc (97.30 cu in)
• Bore: 82.30 mm (3.240 in)
• Stroke: 75.00 mm (2.953 in)
• Compression Ratio: 9.2:1
• Idle RPM: 750 ± 100
• Ignition timing at idling speed: 5° ± 2°/750 rpm

Applications

[edit]

• Hyundai Elantra (J1) (1990–1993)

1.8L (G4CM/G4CN/G4JN)

[edit] Main article: Mitsubishi Sirius engine § 4G67

G4CM is a 1.8 L (1,796 cc) SOHC engine, the engine's advertised power is 99–110 PS (73–81 kW; 98–108 hp) at 5,000–5,500 rpm with 15.4–16.5 kg⋅m (151–162 N⋅m; 111–119 lbf⋅ft) of torque at 4,000–4,500 rpm. This engine shares its 88 mm stroke with the Mitsubishi 4G67 from which it is derived, but thanks to a 80.6 mm bore the displacement is kept beneath the 1800 cc threshold, allowing for lower road taxes in some markets.

Applications (G4CM)

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• Hyundai Elantra (1990–1993)
• Hyundai Sonata (1988–1998)

G4CN is the 1.8 L (1,836 cc) DOHC engine based on the Mitsubishi 4G67. Bore and stroke is 81.5 mm × 88 mm (3.21 in × 3.46 in), the engine's advertised power is 128–135 PS (94–99 kW; 126–133 hp) at 6,000 rpm with 16.3–17.5 kg⋅m (160–172 N⋅m; 118–127 lbf⋅ft) of torque at 4,500 rpm.

Applications (G4CN)

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• Hyundai Elantra (1993–1999)
• Hyundai Sonata (1993–1998)

G4JN (Sirius II) is a 1.8 L (1,836 cc) Korean version DOHC engine with an 81.5 mm bore and 88 mm stroke. Output was up to 133 PS (98 kW; 131 hp) at 6,000 rpm with 17.2 kg⋅m (169 N⋅m; 124 lbf⋅ft) of torque at 4,500 rpm.

Applications (G4JN)

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• Hyundai Sonata (EF) (1998–2001)
• Kia Optima (MS) (2000–2005)

2.0L (G4CP/G4JP/L4CP/L4JP)

[edit] Main article: Mitsubishi Sirius engine § 4G63

G4CP is Hyundai's name for the 2.0 L (1,997 cc) Mitsubishi 4G63 engine. Bore x stroke is 85 mm × 88 mm (3.35 in × 3.46 in), the engine's advertised power is 109–120 PS (80–88 kW; 108–118 hp) at 5,000 rpm with 16.2–18.1 kg⋅m (159–178 N⋅m; 117–131 lbf⋅ft) of torque at 4,000 rpm.

Applications (G4CP)

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• Hyundai Grandeur (L) (1986–1992)
• Hyundai Sonata (1988–1998)

G4JP 2.0 (Sirius II) is the 2.0 L (1,997 cc) 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 133–147 PS (98–108 kW; 131–145 hp) at 6,000 rpm with 18.1–19.4 kg⋅m (178–190 N⋅m; 131–140 lbf⋅ft) of torque at 4,000–4,500 rpm.

Applications (G4JP)

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• 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)

[edit]

• JAC S1(Ruiying)

The 2.0 L (1,997 cc) Hyundai Sirius LPG engine, the engine's advertised power is 82–90 PS (60–66 kW; 81–89 hp) at 4,500 rpm with 16–17.1 kg⋅m (157–168 N⋅m; 116–124 lbf⋅ft) of torque at 2,500 rpm.

Applications (L4CP)

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• Hyundai Santamo (1997–2002)

The 2.0 L (1,997 cc) Hyundai Sirius II LPG engine, the engine's advertised power is 82–90 PS (60–66 kW; 81–89 hp) at 4,500 rpm with 16–17.1 kg⋅m (157–168 N⋅m; 116–124 lbf⋅ft) of torque at 2,500 rpm.

Applications (L4JP)

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• Kia Joice (1999–2002)

2.4L (G4CS/G4JS/L4CS)

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There are two variants of the 2.4 L (2,351 cc) 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 118–130 PS (87–96 kW; 116–128 hp) at 4,500–5,000 rpm with 18.5–19.9 kg⋅m (181–195 N⋅m; 134–144 lbf⋅ft) of torque at 2,500–4,000 rpm. Just like the Mitsubishi engine it was derived from, the G4CS was fitted with balance shafts.[1]

Applications (G4CS)

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• Hyundai Grandeur (1986–1998)
• Hyundai Sonata (1988–1991)[1]
• 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 20.6 kg⋅m (202 N⋅m; 149 lbf⋅ft) 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)

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• Hyundai Santa Fe
• Hyundai Sonata
• Hyundai Starex
• Kia Optima (2000–2005)
• Kia Sorento

The L4CS variant makes 100 PS (74 kW; 99 hp) at 4,000 rpm with 18.3 kg⋅m (179 N⋅m; 132 lbf⋅ft) of torque at 2,000 rpm.

Applications (L4CS)

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• Hyundai Starex (1997–2004)

See also

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• List of Hyundai engines

References

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1. ^ a b Hogsten, Dag E. (1991-04-04). "Drömbil för körtrötta" [Dream car for those tired of driving]. Teknikens Värld (in Swedish). Vol. 43, no. 7. Stockholm, Sweden: Specialtidningsförlaget AB. p. 56.

v t e Hyundai Motor Group engine timeline
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