Engine Hyundai-Kia G4LA

The 1.2-liter 4-cylinder Hyundai G4LA engine has been produced in India and Korea since 2008 and is installed in almost all compact models of the concern, such as the i10, i20 and Kia Picanto. There are two generations of this motor, the second is equipped with Dual CVVT type phase regulators.

In 2008, the 1.25-liter engine of the new Kappa series debuted on the Hyundai i10 and i20 models. By design, this is a common unit for that time with distributed fuel injection, an aluminum block for 4 cylinders with cast-iron liners and an open cooling jacket, an aluminum 16-valve cylinder head equipped with hydraulic compensators and a timing chain drive. The first version of such a power unit did not have a variable valve timing system.

In 2011, the second generation of the motor appeared, which received Dual CVVT phase regulators. The appearance of this system made it possible to add 7 hp to the engine and fit into the Euro 5 environmental standards.

Kappa family: G3LA, G3LB, G3LC, G4LA, G4LC, G4LD, G4LH, G4LE.

The engine was installed on:

  • Hyundai i10 1 (PA) in 2008 – 2013; i10 2 (IA) in 2013 – 2019;
  • Hyundai i20 1 (PB) in 2008 – 2014; i20 2 (GB) in 2014 – 2020;
  • Kia Picanto 2 (TA) in 2011 – 2017; Picanto 3 (JA) since 2017;
  • Kia Rio 3 (UB) in 2011 – 2017; Rio 4 (YB) since 2017;
  • Kia Stonic 1 (YB) since 2017.

Specifications

Production years since 2008
Displacement, cc 1248
Fuel system distributed injection
Power output, hp 78 (1st gen.)
85 (2nd gen.)
Torque output, Nm 118 (1st gen.)
121 (2nd gen.)
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 71
Piston stroke, mm 78.8
Compression ratio 10.5
Hydraulic lifters yes
Timing drive chain
Phase regulator no (1st gen.)
Dual CVVT (2nd gen.)
Turbocharging no
Recommended engine oil 5W-30, 5W-40
Engine oil capacity, liter 4.2
Fuel type 95
Euro standards EURO 4 (1st gen.)
EURO 5 (2nd gen.)
Fuel consumption, L/100 km (for Kia Picanto 2012)
— city
— highway
— combined
6.7
4.5
5.3
Engine lifespan, km ~300 000
Weight, kg 82 (without attachments)

Disadvantages of the Hyundai G4LA engine

  • This is a reliable unit and owners often complain about noise and vibration than about breakdowns, but it does not tolerate overheating at all. If you do not monitor the cleanliness of the radiators, then soon all the gaskets and seals will harden, and then the grease will climb out of all the cracks.
  • The timing chain here is rather thin, but for a sedate owner it serves up to 200,000 km, however, with excessively active operation, it can stretch up to 100,000 km. The replacement procedure is inexpensive if expensive phase regulators do not require updating.
  • This unit has an aluminum block with an open cooling jacket and oil consumption due to cylinder distortion is not uncommon here, especially for a run of 200 – 250 thousand km. Also weak points include an unreliable adsorber valve and short-lived engine mounts.

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