Engine Hyundai G4GM

The 1.8-liter Hyundai G4GM engine was assembled at a factory in South Korea from 1995 to 2000 and was installed on the Lantra in the J2 body, as well as the Coupe created on its basis, but only before restyling. Of the entire line, this is the rarest motor, as it was not installed in all markets.

The Beta family includes engines: G4GR, G4GB, G4GM, G4GC, G4GF.

The engine was installed on:

  • Hyundai Coupe 1 (RD) in 1996 – 1999;
  • Hyundai Lantra 2 (RD) in 1995 – 2000.

Specifications

Production years 1995-2000
Displacement, cc 1795
Fuel system distributed injection
Power output, hp 128 – 132
Torque output, Nm 165 – 170
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 82
Piston stroke, mm 85
Compression ratio 10.0
Features DOHC
Hydraulic lifters yes
Timing drive chain & belt
Phase regulator no
Turbocharging no
Recommended engine oil 5W-40
Engine oil capacity, liter 4.0
Fuel type 92
Euro standards EURO 2
Fuel consumption, L/100 km (for Hyundai Coupe 1997)
— city
— highway
— combined
10.7
7.8
8.9
Engine lifespan, km ~320 000
Weight, kg 135.6

Disadvantages of the Hyundai G4GM engine

  • The units of the first years had problems with build quality, as well as some components;
  • It’s better not to save on lubrication or the hydraulic lifters will knock even before 100,000 km;
  • The timing belt changes every 60,000 km, but it may break earlier and the valves will bend;
  • After 200,000 km, oil consumption is often encountered due to wear of rings and caps;
  • And here the exhaust manifold often cracks and there was even a recall campaign.

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