The 1.6-liter Hyundai G4FT or Smartstream 1.6 T-GDI Hybrid engine has been produced since 2020 and is installed on hybrid versions of such well-known models as Tucson, Sorento, Santa Fe. This power unit is widely used in Europe.

G4FA, G4FL, G4FS, G4FC, G4FD, G4FG, G4FJ, G4FM, G4FP, G4FT, and G4FU are members of the Gamma family.
Specifications
| Production years | since 2020 |
| Displacement, cc | 1598 |
| Fuel system | direct injection |
| Power output, hp | 180; HEV version with electric motor develops 230 hp / 350 Nm; PHEV version with electric motor develops 265 hp / 350 Nm |
| Torque output, Nm | 265 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 75.6 |
| Piston stroke, mm | 89 |
| Compression ratio | 10.5 |
| Features | HEV and PHEV |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | Dual CVVT |
| Turbocharging | yes |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.8 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Hyundai Tucson PHEV 2021) — city — highway — combined |
4.9 3.5 4.3 |
| Engine lifespan, km | ~250 000 |
The engine was installed on:
- Hyundai Santa Fe 4 (TM) since 2020;
- Hyundai Tucson 4 (NX4) since 2020;
- Kia Sorento 4 (MQ4) since 2020.
Disadvantages of the Hyundai G4FT engine
Reliability is not the primary issue with hybrids, but rather the scarcity of repair facilities and replacement parts;
Let’s examine the timing chain’s resource; its predecessor had a rather small
Because the catalytic converter is near the cylinder block, scuffing is a real possibility;
It seems to lack hydraulic lifters, and the valve clearance needs to be changed.
