Engine Hyundai-Kia G4NH

The 2.0-liter Hyundai G4NH engine has been assembled at the Korean plant of the concern since 2016 and is better known for Kia Seltos, it is also installed in many markets on Elantra, Kona, Tucson and Soul. This unit belongs to the line of especially economical motors and operates on the Atkinson cycle.

The Nu family includes engines: G4NB, G4NA, G4NC, G4ND, G4NE, G4NH, G4NG, G4NL, G4NN.

The engine was installed on:

  • Hyundai Elantra 6 (AD) in 2017 – 2020;
  • Hyundai Kona 1 (OS) since 2017;
  • Hyundai Tucson 3 (TL) in 2017 – 2021;
  • Hyundai Veloster 2 (JS) since 2018;
  • Kia Cerato 4 (BD) since 2018;
  • Kia Seltos 1 (SP2) since 2019;
  • Kia Soul 3 (SK3) since 2019.


Production years since 2016
Displacement, cc 1999
Fuel system distributed injection
Power output, hp 149
Torque output, Nm 180
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 81
Piston stroke, mm 97
Compression ratio 12.5
Features DOHC
Hydraulic lifters yes
Timing drive chain
Phase regulator yes
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 4.0
Fuel type petrol
Euro standards EURO 5/6
Fuel consumption, L/100 km (for Kia Seltos 2020)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 115

Disadvantages of the Hyundai G4NH engine

  • So far, most of the negative reviews are related to glitches in the electrical part.
  • There are also complaints about the motor overheating due to the failure of the electric thermostat.
  • The specialized forums describe cases of an engine wedge after a drop in the lubrication level.
  • Since the engine has oil nozzles, there are no problems with scuffing.

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