The Hyundai G4LH 1.5-liter turbo engine or Smartstream G 1.5 T-GDi has been assembled since 2020 and is installed on such popular Korean company models as the i30, as well as Kia Ceed and Xceed. Especially for some markets, the power of this power unit has been reduced from 160 hp to 150 hp.
Kappa R4 family: G4LA, G4LF, G4LC, G4LD, G4LG, G4LH, G4LE, G4LL.
Specifications
| Production years | since 2020 |
| Displacement, cc | 1482 |
| Fuel system | direct injection |
| Power output, hp | 150 – 160 |
| Torque output, Nm | 253 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 71.6 |
| Piston stroke, mm | 92 |
| Compression ratio | 10.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | Dual CVVT |
| Turbocharging | yes |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.5 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Kia XCeed 2021) — city — highway — combined |
6.9 4.6 5.8 |
| Engine lifespan, km | ~220 000 |
| Weight, kg | 91 (without attachments) |
The engine was installed on:
- Hyundai i30 3 (PD) since 2020;
- Kia Ceed 3 (CD) since 2021;
- Kia XCeed 1 (CD) since 2021.
Disadvantages of the Hyundai G4LH engine
- On specialized forums, they complain only about noisy work or excessive vibration;
- Like all direct injection engines, this one suffers from carbon deposits on the intake valves;
- The network describes isolated cases of replacing the timing chain on a run of less than 100 thousand km;
- The weak points of this unit include the adsorber valve and short-lived engine mounts.
Frequently asked questions about the Hyundai-Kia G4LH
How much power does the Hyundai-Kia G4LH make?
The Hyundai-Kia G4LH develops 150 - 160 hp and 253 Nm of torque.
How much oil does the Hyundai-Kia G4LH take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Hyundai-Kia G4LH have a timing belt or chain?
The Hyundai-Kia G4LH uses a timing chain.
Is the Hyundai-Kia G4LH turbocharged?
Yes, the Hyundai-Kia G4LH is turbocharged.
Does the Hyundai-Kia G4LH need valve clearance adjustment?
No, the Hyundai-Kia G4LH has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Hyundai-Kia G4LH last?
The typical lifespan of the Hyundai-Kia G4LH is ~220 000 km with proper maintenance.
What is the fuel consumption of the Hyundai-Kia G4LH?
Kia XCeed 2021: city 6.9, highway 4.6, combined 5.8 L/100 km.
What cars was the Hyundai-Kia G4LH installed on?
Hyundai i30 3 (PD) since 2020; Kia Ceed 3 (CD) since 2021; Kia XCeed 1 (CD) since 2021.
What are the common problems of the Hyundai-Kia G4LH?
On specialized forums, they complain only about noisy work or excessive vibration. Like all direct injection engines, this one suffers from carbon deposits on the intake valves. All known problems.





