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.
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.
4GA1-1 JAC's 4GA1-1 was learnt from Hyundai, it uses DOHC 16-valves and SFI technology 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.
It has a cast iron engine block and aluminum DOHC cylinder heads.
It uses MPI fuel injection and features forged steel connecting rods.