Engine Hyundai G6DE

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.

The engine was installed on:

  • Hyundai Grandeur 5 (HG) in 2012 – 2017; Grandeur 6 (IG) since 2017.


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
Engine lifespan, km ~350 000
Weight, kg 207 (with attachments)

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.

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