The 1.3-liter Hyundai G4DG engine was produced from 1985 to 1995 under license from Mitsubishi and was essentially a complete copy of their popular 8-valve power unit under the 4G13 index. In addition to the injection version, there is often a modification of the G4AG equipped with a carburetor.
The Orion family also includes engines: G4DJ.
The engine was installed on:
- Hyundai Excel 1 (X1) in 1985 – 1989; Excel 2 (X2) in 1989 – 1995;
- Hyundai Pony 3 (X1) in 1985 – 1989; Pony 4 (X2) in 1989 – 1994.
|Power output, hp||65 – 75|
|Torque output, Nm||100 – 120|
|Cylinder block||cast iron R4|
|Block head||aluminum 8v|
|Cylinder bore, mm||71|
|Piston stroke, mm||82|
|Recommended engine oil||10W-40|
|Engine oil capacity, liter||3.3|
|Euro standards||EURO 1/2|
|Fuel consumption, L/100 km (for Hyundai Pony 1993)
|Engine lifespan, km||~200 000|
|Weight, kg||112 (without attachments)|
Disadvantages of the Hyundai G4DG engine
- The main problem of the engine is oil consumption due to stuck piston rings;
- Floating engine speeds are regularly encountered due to throttle wear;
- Monitor the condition of the timing belt, since when it breaks, the valves usually bend here;
- Many Hyundai owners with such a unit complain about difficult starting in winter;
- Also, on specialized forums, an unreliable gas pump and weak engine mounts are often scolded.