Engine Hyundai G4LF

The 1.2-liter Hyundai G4LF or Smartstream G 1.2 MPI engine has been produced only since 2020 and is installed on such models of the Korean concern as i10, i20, Bayon, as well as Kia Picanto and Stonic. There are two versions of this engine: with distributed injection MPI, combined DPI.

Kappa R4 family: G4LA, G4LF, G4LC, G4LD, G4LG, G4LH, G4LE.


Production years since 2020
Displacement, cc 1197
Fuel system MPI or DPI
Power output, hp 83 – 84
Torque output, Nm 115 – 120
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 71
Piston stroke, mm 75.6
Compression ratio 11.0
Features ISG
Hydraulic lifters yes
Timing drive chain
Phase regulator Dual CVVT
Turbocharging no
Recommended engine oil 0W-20
Engine oil capacity, liter 3.4
Fuel type petrol
Euro standards EURO 6
Fuel consumption, L/100 km (for Hyundai i10 2021)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 93

The engine was installed on:

  • Hyundai i10 3 (AC3) since 2020;
  • Hyundai i20 3 (BC3) since 2020;
  • Hyundai Bayon 1 (BC3) since 2021;
  • Kia Picanto 3 (JA) since 2020;
  • Kia Rio 4 (YB) since 2020;
  • Kia Sonet 1 (QY) since 2020;
  • Kia Stonic 1 (YB) since 2020.

Disadvantages of the Hyundai G4LF engine

  • On specialized forums, the engine is mostly praised, noting only rare electrical glitches.
  • You can also find a small number of complaints about malfunctions in the Start-Stop system.
  • The thin timing chain does not have a high resource and is extended to 100,000 km.
  • The motors of this series are also afraid of overheating, so keep an eye on the cooling system.

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