The

Hyundai Hyundai is a South Korean industrial conglomerate ("chaebol"), which was restructured into the following groups: * Hyundai Group, parts of the former conglomerate which have not been divested ** Hyundai Mobis, Korean car parts company ** Hyundai ...

Sirius engine was the company's first larger

inline-four engine A straight-four engine (also called an inline-four) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. The vast majority of automotive four-cylinder engines use a straight-four layout (with the ...

, 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)

The 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 at 5,500 rpm with of torque at 3,000 rpm. ;Applications * Hyundai Elantra (J1) (1990–1995) *

Hyundai Scoupe The Hyundai Scoupe is a 2-door coupé based on the contemporaneous Hyundai Excel. The name, a portmanteau of "sporty" and "coupe," was pronounced "scoop". In the UK and other countries it is known as an "S Coupé". History Development of what wo ...

(1990–1992) * Hyundai Excel/Pony (X2) (1989–1993)

1.5L (G4CL)

The Hyundai G4CL engine features

DOHC An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion c ...

, the engine's advertised power is at 6,000 rpm with of torque at 4,500 rpm. ;Applications * Hyundai Elantra (J1) (1993–1995)

1.6L (G4CR)

The Hyundai G4CR is an in-line four, dual overhead camshaft (

) 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 at 6,000 rpm with of torque at 5,000 rpm. ;Details 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 * Hyundai Elantra (J1) (1990–1993)

1.8L (G4CM/G4CN/G4JN)

G4CM is a

SOHC An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion cha ...

engine, the engine's advertised power is at 5,000–5,500 rpm with of torque at 4,000–4,500 rpm. ;Applications (G4CM) *

Hyundai Elantra The Hyundai Elantra, also known as the Hyundai Avante ( ko, 현대 아반떼), is a compact car produced by the South Korean manufacturer Hyundai Motor Company, Hyundai since 1990. The Elantra was initially marketed as the ''Lantra'' in Austra ...

(1990–1993) *

Hyundai Sonata The Hyundai Sonata is a mid-size car that has been manufactured by Hyundai since 1985. The first generation Sonata, which was introduced in 1985, was a facelifted Hyundai Stellar with an engine upgrade, and was withdrawn from the market in two ...

(1988–1998) G4CN is the 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 at 6,000 rpm with of torque at 4,500 rpm. ;Applications (G4CN) *

(1993–1999) *

(1993–1998) G4JN (Sirius II) is a Korean version

engine with an 81.5 mm bore and 88 mm stroke. Output was up to at 6,000 rpm with of torque at 4,500 rpm. ;Applications (G4JN) * Hyundai Sonata (EF) (1998–2001) * Kia Optima (MS) (2000–2005)

2.0L (G4CP/G4JP/L4CP/L4JP)

G4CP is Hyundai's name for the Mitsubishi 4G63 engine. 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) *

(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) *

(1993–2004) *

Hyundai Trajet The Hyundai Trajet (Hangul: 현대 트라제 ; pronounced as ''trajay''), is a seven-seater car that was manufactured by Hyundai Motor Company between 1999 and 2008. Described as a multi-purpose vehicle (MPV), the series was officially launched ...

(1999–2007) * Kia Optima (MS) (2000–2005) *

Kia Joice The Kia Joice, or Kia Carstar, is a 7-seat compact MPV produced between 1999 and 2003 by the Korean manufacturer Kia Motors. Overview Kia co-developed the vehicle with the Hyundai Motor Company. The Joice shared the same platform as the Hyunda ...

(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 Hyundai is a South Korean industrial conglomerate (" chaebol"), which was restructured into the following groups: * Hyundai Group, parts of the former conglomerate which have not been divested ** Hyundai Mobis, Korean car parts company ** Hyundai ...

(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) *

(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 The Hyundai Grandeur ( ko, 현대 그랜저) is an executive sedan manufactured and marketed by the South Korean manufacturer Hyundai since 1986. From 1986 to 1996, the Grandeur was the flagship for Hyundai's South Korean range before the Hyundai ...

(1986–1998) *

(1988–1991) *

Hyundai Starex The Hyundai Starex is a van built by Hyundai. First-generation models were known in Europe as the Hyundai H-1 and as the Hyundai H200 in the Netherlands. For the second generation, Australian and UK market models are sold as the Hyundai iLoad (car ...

(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

cylinder heads. It uses MPI

fuel injection Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines. All comp ...

and features forged steel connecting rods. ;Applications (G4JS) *

Hyundai Santa Fe The Hyundai Santa Fe ( ko, 현대 싼타페) is a sport utility vehicle (SUV) produced by the South Korean manufacturer Hyundai since 2000. It is named after the city of Santa Fe, New Mexico, and was introduced for the 2001 model year as Hyundai ...

Kia Optima Optima is a humanist sans-serif typeface designed by Hermann Zapf and released by the D. Stempel AG foundry, Frankfurt, West Germany in 1958. Though classified as a sans-serif, Optima has a subtle swelling at the terminals suggesting a glyphic s ...

(2000–2005) *

Kia Sorento The Kia Sorento ( ko, 기아 쏘렌토, translit=Gia Sorento) is a mid-size crossover SUV (formerly a body-on-frame SUV until 2009) produced since 2002 by South Korean manufacturer Kia. First generation (BL; 2002) 2002–2006 Debuted in ...

The L4CS variant makes at 4,000 rpm with of torque at 2,000 rpm. ;Applications (L4CS) *

(1997–2004)

References

Sirius Sirius is the list of brightest stars, brightest star in the night sky. Its name is derived from the Ancient Greek language, Greek word , or , meaning 'glowing' or 'scorching'. The star is designated α Canis Majoris, Latinisation ...

{{Automobile-stub Straight-four engines