Advantages
Advanced Technology: The G4FJ engine is equipped with CVVT continuous variable valve technology, which the engine more
stable at idle, ensures complete combustion, and improves work efficiency at high speeds, saving fuel and providing ample horsepower.
Excellent Power: This engine uses the latest eccentric crankshaft technology, ensuring smooth operation, reducing friction, and
enhancing rotational inertia, thereby improving the engine's power performance.
Fuel Economy: Thanks to its single-turbo dual-exhaust manifold and D-CVVT continuous variable timing valves for both intake and
exhaust the G4FJ engine can deliver maximum torque between 1500-4500 RPM, while the cylinder direct injection technology helps
better control economy.
Fast Power Response: The G4FJ engine responds quickly at low RPMs, with almost imperceptible gear changes, it suitable for drivers
who enjoy a lively driving experience.
Disadvantages
Oil Issues: Some owners report that the G4FJ has issues with oil consumption or burning oil, leading to increased fuel consumption
and reduced power.
High Maintenance Costs: Due to the design of direct injection, it is prone to carbon buildup, which requires regular cleaning of the
carbon deposits in the cylinders to prevent clogging of the injectors and damage to high-pressure oil pump.
Body Vibration: When waiting at traffic lights, the body of the vehicle may feel slightly vibrating.
The G4FJ engine is applicable to the following models:
Hyundai i30 Fastback N: The G4FJ engine demonstrates excellent acceleration in i30 Fastback N model, with a 0-100 km/h
acceleration time of only 6.78 seconds.
Sonata 9: Sonata 9 is equipped with the G4FJ model's 1.6T turbocharged four-cylinder direct-injection engine, which can
provide a of 180 horsepower and 265 Nm of torque.
