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)

The 1468 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 at 5,500 rpm with 12.6 - 14.3 kgm of torque at 3,000 rpm.

Applications

1.5L (G4CL)

The 1497 cc Hyundai G4CL engine features DOHC, the engine's advertised power is 108 PS at 6,000 rpm with 14.6 kgm of torque at 4,500 rpm.

Applications

1.6L (G4CR)

The 1595 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 at 6,000 rpm with 15.3 kgm of torque at 5,000 rpm.

Details

Applications

1.8L (G4CM/G4CN/G4JN)

G4CM is a 1796 cc SOHC engine, the engine's advertised power is 99 - 110 PS at 5,000–5,500 rpm with 15.4 - 16.5 kgm 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)

G4CN is the 1836 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 at 6,000 rpm with 16.3 - 17.5 kgm of torque at 4,500 rpm.

Applications (G4CN)

G4JN (Sirius II) is a 1836 cc Korean version DOHC engine with an 81.5 mm bore and 88 mm stroke. Output was up to 133 PS at 6,000 rpm with 17.2 kgm of torque at 4,500 rpm.

Applications (G4JN)

2.0L (G4CP/G4JP/L4CP/L4JP)

G4CP is Hyundai's name for the 1997 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 at 5,000 rpm with 16.2 - 18.1 kgm of torque at 4,000 rpm.

Applications (G4CP)

G4JP 2.0 (Sirius II) is the 1997 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 at 6,000 rpm with 18.1 - 19.4 kgm of torque at 4,000–4,500 rpm.

Applications (G4JP)

4GA1-1 JAC's 4GA1-1 was learnt from Hyundai, it uses DOHC 16-valves and SFI technology

Applications (4GA1-1)

The 1997 cc Hyundai Sirius LPG engine, the engine's advertised power is 82 - 90 PS at 4,500 rpm with 16 - 17.1 kgm of torque at 2,500 rpm.

Applications (L4CP)

The 1997 cc Hyundai Sirius II LPG engine, the engine's advertised power is 82 - 90 PS at 4,500 rpm with 16 - 17.1 kgm of torque at 2,500 rpm.

Applications (L4JP)

2.4L (G4CS/G4JS/L4CS)

There are two variants of the 2351 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 at 4,500–5,000 rpm with 18.5 - 19.9 kgm of torque at 2,500–4,000 rpm. Just like the Mitsubishi engine it was derived from, the G4CS was fitted with balance shafts.

Applications (G4CS)

The G4JS has a compression ratio of 10.0:1. Output is 141 PS (104 kW) at 5,500 rpm with 20.6 kgm 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)

The L4CS variant makes 100 PS at 4,000 rpm with 18.3 kgm of torque at 2,000 rpm.

Applications (L4CS)