Engine Hyundai G4CR

The 1.6-liter Hyundai G4CR engine was produced from 1990 to 1995 under license, as it was essentially a copy of the Mitsubishi 4G61 engine, and it was installed on the first generation of the Lantra model. Unlike other power units of this series, this one never had balance shafts.

Sirius family: 1.6 L – G4CR; 1.8 L – G4CN, G4CM, G4JN; 2.0 L – G4CP, G4JP; 2.4 L – G4JS, G4CS.

The engine was installed on:

  • Hyundai Lantra 1 (J1) in 1990 – 1995.


Production years 1990-1995
Displacement, cc 1596
Fuel system injector
Power output, hp 105 – 115
Torque output, Nm 130 – 140
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 82.3
Piston stroke, mm 75
Compression ratio 9.2
Features no
Hydraulic lifters yes
Timing drive belt
Phase regulator no
Turbocharging no
Recommended engine oil 15W-40
Engine oil capacity, liter 3.7
Fuel type petrol
Euro standards EURO 1/2
Fuel consumption, L/100 km (for Hyundai Lantra 1992)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 142.2 (without attachments)

Disadvantages of the Hyundai G4CR engine

  • The most common problem is a sudden break in the timing belt with bent valves.
  • In second place are floating idle speeds due to throttle contamination.
  • Electrical failures are also not uncommon, especially in wet weather.
  • The use of cheap oil often leads to failure of hydraulic lifters.
  • The weak points of this unit include an unreliable gas pump and weak pillows.

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