The 3.3-liter Hyundai-Kia G6DM or 3.3 GDi engine has been produced by the concern since 2016 and is installed on Cadenza or Grandeur front-wheel drive sedans, as well as Carnival minivans. For K900 in some markets, this engine was adapted for rear-wheel drive and derated to 249 hp.
Lambda 3.3L family: G6DB, G6DF, G6DH, G6DM, G6DP.
Specifications
| Production years | since 2016 |
| Displacement, cc | 3342 |
| Fuel system | direct injection |
| Power output, hp | 285 – 295 249 (version for K900 in some markets) |
| Torque output, Nm | 336 – 347 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 92 |
| Piston stroke, mm | 83.8 |
| Compression ratio | 12.0 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | Dual CVVT |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.9 |
| Fuel type | petrol |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Kia K900 2020) — city — highway — combined |
14.5 8.2 10.5 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 216 (with attachments) |
The engine was installed on:
- Hyundai Grandeur 6 (IG) since 2017;
- Kia Cadenza 2 (YG) in 2016 – 2021;
- Kia Carnival 3 (YP) in 2018 – 2020;
- Kia K900 2 (RJ) since 2018.
Disadvantages of the Hyundai G6DM engine
- The main problem with GDi units is the formation of carbon deposits on intake valves;
- The aluminum motor is afraid of overheating, so keep an eye on its cooling system;
- It is not yet clear how long the timing chains will last, the resource was low on the predecessor;
- Hydraulic lifters are not provided here and valve clearances will have to be adjusted.
Frequently asked questions about the Hyundai-Kia G6DM
How much power does the Hyundai-Kia G6DM make?
Power output of the Hyundai-Kia G6DM, hp: 285 - 295; 249 (version for K900 in some markets). Torque, Nm: 336 - 347.
How much oil does the Hyundai-Kia G6DM take and which one?
Engine oil capacity: 6.9 liters. Recommended oil: 5W-30.
Does the Hyundai-Kia G6DM have a timing belt or chain?
The Hyundai-Kia G6DM uses a timing chain.
Is the Hyundai-Kia G6DM turbocharged?
No, the Hyundai-Kia G6DM is naturally aspirated.
Does the Hyundai-Kia G6DM need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Hyundai-Kia G6DM last?
The typical lifespan of the Hyundai-Kia G6DM is ~300 000 km with proper maintenance.
What is the fuel consumption of the Hyundai-Kia G6DM?
Kia K900 2020: city 14.5, highway 8.2, combined 10.5 L/100 km.
What cars was the Hyundai-Kia G6DM installed on?
Hyundai Grandeur 6 (IG) since 2017; Kia Cadenza 2 (YG) in 2016 - 2021; Kia Carnival 3 (YP) in 2018 - 2020; Kia K900 2 (RJ) since 2018.
What are the common problems of the Hyundai-Kia G6DM?
The main problem with GDi units is the formation of carbon deposits on intake valves. The aluminum motor is afraid of overheating, so keep an eye on its cooling system. All known problems.





