The 2.5-liter Hyundai-Kia G4KP or Smartstream G 2.5 T-GDi engine has been assembled since 2020 and is installed on the Sorento and Santa Fe crossovers, as well as charged versions of the Sonata N-Line and K5 GT. This turbo engine is distinguished by the presence of a combined fuel injection system GDi + MPi.
Theta 2.5L family: G4KM, G4KN, G4KP, G4KR, G4KS.
Specifications
| Production years | since 2020 |
| Displacement, cc | 2497 |
| Fuel system | GDi + MPi |
| Power output, hp | 280 – 294 |
| Torque output, Nm | 422 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 88.5 |
| Piston stroke, mm | 101.5 |
| Compression ratio | 10 – 10.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | Dual CVVT |
| Turbocharging | yes |
| Recommended engine oil | 0W-30 |
| Engine oil capacity, liter | 6.2 |
| Fuel type | petrol |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Hyundai Sonata 2021) — city — highway — combined |
10.2 7.1 8.7 |
| Engine lifespan, km | ~200 000 |
The engine was installed on:
- Hyundai Santa Fe 4 (TM) since 2020;
- Hyundai Sonata 8 (DN8) since 2020;
- Kia K5 3 (DL3) since 2020;
- Kia Sorento 4 (MQ4) since 2020.
Disadvantages of the Hyundai G4KP engine
- This turbo engine has just appeared and it is too early to talk about its reliability;
- The problem of coking inlet valves is solved by the presence of combined injection;
- Powerful turbocharged powertrains pull timing chains very quickly;
- This is a very hot engine and you need to monitor the condition of its cooling system;
- And variable displacement oil pump units do not add reliability.
Frequently asked questions about the Hyundai-Kia G4KP
How much power does the Hyundai-Kia G4KP make?
The Hyundai-Kia G4KP develops 280 - 294 hp and 422 Nm of torque.
How much oil does the Hyundai-Kia G4KP take and which one?
Engine oil capacity: 6.2 liters. Recommended oil: 0W-30.
Does the Hyundai-Kia G4KP have a timing belt or chain?
The Hyundai-Kia G4KP uses a timing chain.
Is the Hyundai-Kia G4KP turbocharged?
Yes, the Hyundai-Kia G4KP is turbocharged.
Does the Hyundai-Kia G4KP need valve clearance adjustment?
No, the Hyundai-Kia G4KP has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Hyundai-Kia G4KP last?
The typical lifespan of the Hyundai-Kia G4KP is ~200 000 km with proper maintenance.
What is the fuel consumption of the Hyundai-Kia G4KP?
Hyundai Sonata 2021: city 10.2, highway 7.1, combined 8.7 L/100 km.
What cars was the Hyundai-Kia G4KP installed on?
Hyundai Santa Fe 4 (TM) since 2020; Hyundai Sonata 8 (DN8) since 2020; Kia K5 3 (DL3) since 2020; Kia Sorento 4 (MQ4) since 2020.
What are the common problems of the Hyundai-Kia G4KP?
This turbo engine has just appeared and it is too early to talk about its reliability. The problem of coking inlet valves is solved by the presence of combined injection. All known problems.
