The 3.0-liter Hyundai G6DE or Grandeur 3.0 MPi engine has been produced by the company since 2012 and is installed on the fifth and sixth generation Hyundai Grandeur front-wheel drive sedans. The L6DB 3.0 LPi gas engine known in Korea was created on the basis of this power unit.
Lambda 3.0L family: G6DE, G6DG, G6DL.
Specifications
| Production years | since 2012 |
| Displacement, cc | 2999 |
| Fuel system | distributed injection |
| Power output, hp | 250 |
| Torque output, Nm | 284 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 92 |
| Piston stroke, mm | 75.2 |
| Compression ratio | 10.6 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | Dual CVVT |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.2 (there are versions with a pallet of 5.7 liters) |
| Fuel type | petrol |
| Euro standards | EURO 4/5 |
| Fuel consumption, L/100 km (for Hyundai Grandeur 2015) — city — highway — combined |
14.0 7.1 9.6 |
| Engine lifespan, km | ~350 000 |
| Weight, kg | 207 (with attachments) |
The engine was installed on:
- Hyundai Grandeur 5 (HG) in 2012 – 2017, Grandeur 6 (IG) since 2017.
Disadvantages of the Hyundai G6DE engine
- The most famous problem with this motor is the progressive consumption of lubricant.
- The main reason is the occurrence of oil scraper rings and decarbonization does not help.
- Keep the cooling system clean, the aluminum unit is afraid of overheating.
- In the early years, the timing chain and especially the hydraulic tensioner brought a lot of trouble here.
- About once every 100 thousand km, an expensive valve adjustment procedure is required.
Frequently asked questions about the Hyundai G6DE
How much power does the Hyundai G6DE make?
The Hyundai G6DE develops 250 hp and 284 Nm of torque.
How much oil does the Hyundai G6DE take and which one?
Engine oil capacity: 5.2 (there are versions with a pallet of 5.7 liters) liters. Recommended oil: 5W-30.
Does the Hyundai G6DE have a timing belt or chain?
The Hyundai G6DE uses a timing chain.
Is the Hyundai G6DE turbocharged?
No, the Hyundai G6DE is naturally aspirated.
Does the Hyundai G6DE 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 G6DE last?
The typical lifespan of the Hyundai G6DE is ~350 000 km with proper maintenance.
What is the fuel consumption of the Hyundai G6DE?
Hyundai Grandeur 2015: city 14.0, highway 7.1, combined 9.6 L/100 km.
What cars was the Hyundai G6DE installed on?
Hyundai Grandeur 5 (HG) in 2012 - 2017, Grandeur 6 (IG) since 2017.
What are the common problems of the Hyundai G6DE?
The most famous problem with this motor is the progressive consumption of lubricant. The main reason is the occurrence of oil scraper rings and decarbonization does not help. All known problems.
