Only the third generation of the i30 hatchback has been equipped with the 1.5-liter Hyundai G4LG or Smartstream G 1.5 DPi engine, which has been manufactured since 2020 at a plant in Zilina, Slovakia. Combined fuel injection, or having two rows of nozzles, is what sets this engine apart.
G4LA, G4LF, G4LC, G4LD, G4LG, G4LH, and G4LE are members of the Kappa R4 family.
Specifications
| Production years | since 2020 |
| Displacement, cc | 1498 |
| Fuel system | combined injection |
| Power output, hp | 110 |
| Torque output, Nm | 144 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 72 |
| Piston stroke, mm | 92 |
| Compression ratio | 11.0 |
| Features | ISG |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | Dual СVVT |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.4 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Hyundai i30 2021) — city — highway — combined |
7.6 5.0 6.0 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 95 |
The engine was installed on:
- Hyundai i30 3 (PD) since 2020.
Disadvantages of the Hyundai G4LG engine
Owners typically compliment the motor and report only electrical issues on specialized forums.
Numerous complaints regarding Start-Stop system malfunctions can also be found there.
The timing chain in these engines travels a short distance—sometimes up to 100,000 kilometers.
Keep an eye on the cooling system because all Kappa motors are terrified of overheating.