View source for Hyundai Sirius engine

{{one source|date=June 2024}}
{{Infobox automobile engine
| image = 
| name = Sirius engine
| manufacturer = [[Hyundai Motor Company]]
<!--| type = [[Straight-4]]-->
| displacement = {{ubl
  | {{cvt|1468|cc|L|1|order=flip}}
  | {{cvt|1595|cc|L|1|order=flip}}
  | {{cvt|1796|cc|L|1|order=flip}}
  | {{cvt|1997|cc|L|1|order=flip}}
  | {{cvt|2351|cc|L|1|order=flip}}
  }}
| block = 
| head = 
| valvetrain = {{ubl
  | [[Overhead camshaft engine#Single overhead camshaft (SOHC)|SOHC]]
  | [[Overhead camshaft engine#Double overhead camshaft|DOHC]]
  }}
| fuelsystem = 
| fueltype = Unleaded gasoline
| oilsystem = Pressure feed
| coolingsystem = [[Radiator (engine cooling)|Water-cooled]]
| power = {{cvt|86-141|PS|kW hp|0}}
| torque = {{cvt|12.6-20.6|kgm|0}}
| compression = 9.2:1–10.0:1
| predecessor = 
| successor = [[Hyundai Beta engine|Beta]]
| bore = {{ubl
  | {{cvt|81.5|mm|2}}
  | {{cvt|82|mm|2}}
  | {{cvt|82.3|mm|2}}
  | {{cvt|85|mm|2}}
  }}
| stroke = {{ubl
  | {{cvt|75|mm|2}}
  | {{cvt|88|mm|2}}
  }}
| turbocharger = 
}}

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

=={{anchor|G4DJ}}1.5L (G4DJ)==
{{Main article|Mitsubishi Orion engine#4G15}}

The {{cvt|1468|cc|L|1|order=flip}} 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 [[Mitsubishi Orion engine|4G15]] powerplant, the engine's advertised power is {{cvt|74|-|97|PS|kW hp|0}} at 5,500&nbsp;rpm with {{cvt|12.6|-|14.3|kgm|0}} of torque at 3,000&nbsp;rpm.
		
===Applications===
* [[Hyundai Elantra#J1|Hyundai Elantra (J1)]] (1990–1995)
* [[Hyundai Scoupe]] (1990–1992)
* [[Hyundai Excel#X2|Hyundai Excel/Pony (X2)]] (1989–1993)

=={{anchor|G4CL}}1.5L (G4CL)==
The {{cvt|1497|cc|L|1|order=flip}} Hyundai G4CL engine features [[DOHC]], the engine's advertised power is {{cvt|108|PS|kW hp|0}} at 6,000&nbsp;rpm with {{cvt|14.6|kgm|0}} of torque at 4,500&nbsp;rpm.
		
===Applications===
* [[Hyundai Elantra#J1|Hyundai Elantra (J1)]] (1993–1995)

=={{anchor|G4CR}}1.6L (G4CR)==
{{Main article|Mitsubishi Sirius engine#4G61}}

The {{cvt|1595|cc|L|1|order=flip}} 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 {{cvt|126|PS|kW hp|0}} at 6,000&nbsp;rpm with {{cvt|15.3|kgm|0}} of torque at 5,000&nbsp;rpm.

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

===Applications===
* [[Hyundai Elantra#J1|Hyundai Elantra (J1)]] (1990–1993)

=={{anchor|G4CN|G4CM|G4JN}} 1.8L (G4CM/G4CN/G4JN)==
{{Main article|Mitsubishi Sirius engine#4G67}}

'''G4CM''' is a {{cvt|1796|cc|L|1|order=flip}} [[SOHC]] engine, the engine's advertised power is {{cvt|99|-|110|PS|kW hp|0}} at 5,000–5,500&nbsp;rpm with {{cvt|15.4|-|16.5|kgm|0}} of torque at 4,000–4,500&nbsp;rpm. This engine shares its 88&nbsp;mm stroke with the [[Mitsubishi Sirius engine#4G67|Mitsubishi 4G67]] from which it is derived, but thanks to an 80.6&nbsp;mm bore the displacement is kept beneath the 1800&nbsp;cc threshold, allowing for lower road taxes in some markets.

===Applications (G4CM)===
* [[Hyundai Elantra]] (1990–1993)
* [[Hyundai Sonata]] (1988–1998)

'''G4CN''' is the {{cvt|1836|cc|L|1|order=flip}} DOHC engine based on the Mitsubishi 4G67. Bore and stroke is 81.5&nbsp;mm × 88&nbsp;mm (3.21&nbsp;in × 3.46&nbsp;in), the engine's advertised power is {{cvt|128|-|135|PS|kW hp|0}} at 6,000&nbsp;rpm with {{cvt|16.3|-|17.5|kgm|0}} of torque at 4,500&nbsp;rpm.

===Applications (G4CN)===
* [[Hyundai Elantra]] (1993–1999)
* [[Hyundai Sonata]] (1993–1998)

'''G4JN''' (Sirius II) is a {{cvt|1836|cc|L|1|order=flip}} Korean version [[DOHC]] engine with an 81.5&nbsp;mm bore and 88&nbsp;mm stroke. Output was up to {{cvt|133|PS|kW hp|0}} at 6,000&nbsp;rpm with {{cvt|17.2|kgm|0}} of torque at 4,500&nbsp;rpm.

===Applications (G4JN)===
* [[Hyundai Sonata#EF|Hyundai Sonata (EF)]] (1998–2001)
* [[Kia Optima#MS|Kia Optima (MS)]] (2000–2005)

=={{anchor|G4CP|G4JP|L4CP|L4JP}}2.0L (G4CP/G4JP/L4CP/L4JP)==
{{Main article|Mitsubishi Sirius engine#4G63}}
'''G4CP''' is Hyundai's name for the {{cvt|1997|cc|L|1|order=flip}} Mitsubishi 4G63 engine. Bore x stroke is 85&nbsp;mm × 88&nbsp;mm (3.35&nbsp;in × 3.46&nbsp;in), the engine's advertised power is {{cvt|109|-|120|PS|kW hp|0}} at 5,000&nbsp;rpm with {{cvt|16.2|-|18.1|kgm|0}} of torque at 4,000&nbsp;rpm.

===Applications (G4CP)===
* [[Hyundai Grandeur#L|Hyundai Grandeur (L)]] (1986–1992) 
* [[Hyundai Sonata]] (1988–1998)

'''G4JP 2.0''' (Sirius II) is the {{cvt|1997|cc|L|1|order=flip}} Korean version. Bore x stroke is 85&nbsp;mm × 88&nbsp;mm (3.35&nbsp;in × 3.46&nbsp;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 {{cvt|133|-|147|PS|kW hp|0}} at 6,000&nbsp;rpm with {{cvt|18.1|-|19.4|kgm|0}} of torque at 4,000–4,500&nbsp;rpm.

===Applications (G4JP)===
* [[Hyundai Grandeur#LX|Hyundai Grandeur (LX)]] (1992–1998) 
* [[Hyundai Santa Fe#SM|Hyundai Santa Fe (SM)]] (2000–2005)
* [[Hyundai Sonata]] (1993–2004)
* [[Hyundai Trajet]] (1999–2007)
* [[Kia Optima#MS|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 {{cvt|1997|cc|L|1|order=flip}} Hyundai '''Sirius LPG''' engine, the engine's advertised power is {{cvt|82|-|90|PS|kW hp|0}} at 4,500&nbsp;rpm with {{cvt|16|-|17.1|kgm|0}} of torque at 2,500&nbsp;rpm.
		
===Applications (L4CP)===
* [[Hyundai Santamo]] (1997–2002)

The {{cvt|1997|cc|L|1|order=flip}} Hyundai '''Sirius II LPG''' engine, the engine's advertised power is {{cvt|82|-|90|PS|kW hp|0}} at 4,500&nbsp;rpm with {{cvt|16|-|17.1|kgm|0}} of torque at 2,500&nbsp;rpm.
		
===Applications (L4JP)===
* [[Kia Joice]] (1999–2002)

=={{anchor|G4CS|G4JS|L4CS}} 2.4L (G4CS/G4JS/L4CS)==
There are two variants of the {{cvt|2351|cc|L|1|order=flip}} Sirius engine called G4CS and G4JS, bore is 86.5&nbsp;mm while stroke is 100&nbsp;mm.

The '''G4CS''' is of an SOHC design, its advertised power is {{cvt|118|-|130|PS|kW hp|0}} at 4,500–5,000&nbsp;rpm with {{cvt|18.5|-|19.9|kgm|0}} of torque at 2,500–4,000&nbsp;rpm. Just like the Mitsubishi engine it was derived from, the G4CS was fitted with balance shafts.<ref name="TV791.56">{{cite magazine |ref = DH91 |title = Drömbil för körtrötta |trans-title = Dream car for those tired of driving |language = sv |magazine = [[Teknikens Värld]] |publisher = Specialtidningsförlaget AB |location = Stockholm, Sweden |page = 56 |date = 1991-04-04 |issue = 7 |volume = 43 |first = Dag E. |last = Hogsten}}</ref>

===Applications (G4CS)===
* [[Hyundai Grandeur]] (1986–1998)
* [[Hyundai Sonata]] (1988–1991)<ref name="TV791.56"/>
* [[Hyundai Starex]] (1997–2004)

The '''G4JS''' has a compression ratio of 10.0:1. Output is 141&nbsp;PS (104&nbsp;kW) at 5,500&nbsp;rpm with {{cvt|20.6|kgm|0}} of torque at 3,000&nbsp;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 {{cvt|100|PS|kW hp|0}} at 4,000&nbsp;rpm with {{cvt|18.3|kgm|0}} of torque at 2,000&nbsp;rpm.

===Applications (L4CS)===
* [[Hyundai Starex]] (1997–2004)

==See also==
* [[List of Hyundai engines]]

==References==
{{reflist}}

{{Hyundai engine timeline|state=collapsed}}

{{DEFAULTSORT:Hyundai Sirius Engine}}
[[Category:Hyundai engines|Sirius]]
[[Category:Straight-four engines]]


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