Hyundai Sirius engine

{{mi| {{one source|date=June 2024}} {{copyedit|date=July 2025}} }} {{Infobox automobile engine | image = | name = Sirius engine | manufacturer = Hyundai Motor Company | configuration = 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 | SOHC | DOHC }} | fuelsystem = | fueltype = Unleaded gasoline | oilsystem = Pressure feed | coolingsystem = 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 = 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 inline-four engine, with displacements from {{cvt|1795|cc|L|order=flip}} to {{cvt|2351|cc|L|order=flip}}. It is a license-built Mitsubishi construction. This engine is no longer used by Hyundai.{{clarify|date=July 2025}}

=={{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 4G15 powerplant, the engine's advertised power is {{cvt|74|-|97|PS|kW hp|0}} at 5,500 rpm with {{cvt|12.6|-|14.3|kgm|0}} of torque at 3,000 rpm. ===Applications=== * Hyundai Elantra (J1) (1990–1995) * Hyundai Scoupe (1990–1992) * 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 rpm with {{cvt|14.6|kgm|0}} of torque at 4,500 rpm. ===Applications=== * 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 inline-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. It was introduced in the first-generation Elantra. 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 rpm with {{cvt|15.3|kgm|0}} of torque at 5,000 rpm.

===Details=== * Total displacement: {{cvt|1595|cc|cuin}} * Bore: {{cvt|82.3|mm|in}} * Stroke: {{cvt|75|mm|in}} * Compression ratio: 9.2:1 * Idle rpm: 750 ± 100 * Ignition timing at idling speed: 5° ± 2°/750 rpm

===Applications=== * 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 rpm with {{cvt|15.4|-|16.5|kgm|0}} of torque at 4,000–4,500 rpm. The bore and stroke are the same as the Mitsubishi 4G62 engine. This engine shares its 88 mm stroke with the Mitsubishi 4G67 from which it is derived, but thanks to an 80.6 mm bore the displacement is kept beneath the 1800 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 {{cvt|81.5|x|88|mm|in}}, the engine's advertised power is {{cvt|128|-|135|PS|kW hp|0}} at 6,000 rpm with {{cvt|16.3|-|17.5|kgm|0}} of torque at 4,500 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 mm bore and 88 mm stroke. Output was up to {{cvt|133|PS|kW hp|0}} at 6,000 rpm with {{cvt|17.2|kgm|0}} of torque at 4,500 rpm.

===Applications (G4JN)=== * Hyundai Sonata (EF) (1998–2001) * 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 mm × 88 mm (3.35 in × 3.46 in), the engine's advertised power is {{cvt|109|-|120|PS|kW hp|0}} at 5,000 rpm with {{cvt|16.2|-|18.1|kgm|0}} of torque at 4,000 rpm.

===Applications (G4CP)=== * 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 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 {{cvt|133|-|147|PS|kW hp|0}} at 6,000 rpm with {{cvt|18.1|-|19.4|kgm|0}} 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-valve 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 rpm with {{cvt|16|-|17.1|kgm|0}} of torque at 2,500 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 rpm with {{cvt|16|-|17.1|kgm|0}} of torque at 2,500 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; the bore is 86.5 mm, while the stroke is 100 mm.

The '''G4CS''' is of an SOHC design, its advertised power is {{cvt|118|-|130|PS|kW hp|0}} at 4,500–5,000 rpm with {{cvt|18.5|-|19.9|kgm|0}} of torque at 2,500–4,000 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 PS (104 kW) at 5,500 rpm with {{cvt|20.6|kgm|0}} 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 {{cvt|100|PS|kW hp|0}} at 4,000 rpm with {{cvt|18.3|kgm|0}} of torque at 2,000 rpm.

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

==See also== * List of Hyundai engines

==References== {{reflist}}

{{DEFAULTSORT:Hyundai Sirius Engine}} Sirius Category:Straight-four engines Category:1980s automobile engines