Engine Hyundai-Kia G6DM

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.

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.


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
Engine lifespan, km ~300 000
Weight, kg 216 (with attachments)

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.

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