The 3.5-liter V6 engine Hyundai G6DU or Smartstream G 3.5 MPi has been produced since 2020 and is installed on such popular concern models as Santa Fe, Staria, Sorento and Carnival. In Korea, the gas version of this engine called Smartstream L 3.5 LPi is very popular.
Lambda 3.5L family: G6DC, G6DS, G6DU, G6DT, G6DV.
Specifications
| Production years | since 2020 |
| Displacement, cc | 3470 |
| Fuel system | distributed injection |
| Power output, hp | 250 – 272 |
| Torque output, Nm | 331 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 92 |
| Piston stroke, mm | 87 |
| Compression ratio | 10.6 |
| Features | VIS |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | Dual CVVT |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.1 |
| Fuel type | petrol |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Kia Carnival 2022) — city — highway — combined |
14.6 7.8 10.3 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 202 (with attachments) |
The engine was installed on:
- Hyundai Santa Fe 4 (TM) since 2020;
- Hyundai Staria 1 (US4) since 2021;
- Kia Carnival 4 (KA4) since 2020;
- Kia K8 1 (GL3) since 2021;
- Kia Sorento 4 (MQ4) since 2020.
Disadvantages of the Hyundai G6DU engine
- While on specialized forums he is praised, including for moderate fuel consumption;
- The main thing is to monitor the cooling system, aluminum units are afraid of overheating;
- Still interested in oil consumption, as this is the main problem of engines of this series;
- Hydraulic lifters finally appeared and valve clearance adjustment is not required.
Frequently asked questions about the Hyundai-Kia G6DU
How much power does the Hyundai-Kia G6DU make?
The Hyundai-Kia G6DU develops 250 - 272 hp and 331 Nm of torque.
How much oil does the Hyundai-Kia G6DU take and which one?
Engine oil capacity: 6.1 liters. Recommended oil: 5W-30.
Does the Hyundai-Kia G6DU have a timing belt or chain?
The Hyundai-Kia G6DU uses a timing chain.
Is the Hyundai-Kia G6DU turbocharged?
No, the Hyundai-Kia G6DU is naturally aspirated.
Does the Hyundai-Kia G6DU need valve clearance adjustment?
No, the Hyundai-Kia G6DU has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Hyundai-Kia G6DU last?
The typical lifespan of the Hyundai-Kia G6DU is ~300 000 km with proper maintenance.
What is the fuel consumption of the Hyundai-Kia G6DU?
Kia Carnival 2022: city 14.6, highway 7.8, combined 10.3 L/100 km.
What cars was the Hyundai-Kia G6DU installed on?
Hyundai Santa Fe 4 (TM) since 2020; Hyundai Staria 1 (US4) since 2021; Kia Carnival 4 (KA4) since 2020; Kia K8 1 (GL3) since 2021; Kia Sorento 4 (MQ4) since 2020.
What are the common problems of the Hyundai-Kia G6DU?
While on specialized forums he is praised, including for moderate fuel consumption. The main thing is to monitor the cooling system, aluminum units are afraid of overheating. All known problems.
