Engine Hyundai-Kia G4KJ A brief introduction

The G4KJ engine is a 2.4-liter gasoline engine produced by Hyundai-Kia. It has been in production since 2009 and is used in various models such as the Sonata, Santa Fe, Sorento, Sportage, and Optima. 

Used on: Hyundai Grandeur, Hyundai Santa Fe, Hyundai Sonata, Hyundai Tucson, Kia Optima, Kia Sorento, Kia Sportage

The engine is equipped with a GDi direct injection system, an aluminum cylinder block, cast-iron sleeves, and an open cooling jacket. It features a power output ranging from 180 to 201 horsepower and a torque output ranging from 231 to 251 Nm. The engine has a 16-valve head without hydraulic compensators, a timing chain, and VCM and VIS systems in the intake. It is designed to meet Euro 5/6 emission standards and has a recommended engine oil of 5W-20 or 5W-30. 

The G4KJ engine is known for its reliability and has a service life of approximately 300,000 kilometers.

The engine was installed on:

  • Hyundai Grandeur 5 (HG) in 2011 – 2016; Grandeur 6 (IG) in 2016 – 2019;
  • Hyundai Santa Fe 3 (DM) in 2012 – 2018; Santa Fe 4 (TM) in 2018 – 2020;
  • Hyundai Sonata 6 (YF) in 2010 – 2015; Sonata 7 (LF) in 2014 – 2020;
  • Hyundai Tucson 3 (TL) in 2015 – 2021;
  • Kia Cadenza 1 (VG) in 2011 – 2016; Cadenza 2 (YG) in 2016 – 2019;
  • Kia Optima 3 (TF) in 2010 – 2015; Optima 4 (JF) in 2015 – 2020;
  • Kia Sorento 2 (XM) in 2012 – 2014; Sorento 3 (UM) in 2014 – 2020;
  • Kia Sportage 4 (QL) in 2015 – 2021.

Specifications

Production yearssince 2009
Displacement, cc2359
Fuel systemdirect injection
Power output, hp180-201
Torque output, Nm231-251
Cylinder blockaluminum R4
Block headaluminum R6
Cylinder bore, mm88
Piston stroke, mm97
Compression ratio11.3
Hydraulic liftersno
Timing drivechain
Phase regulatoryes
Turbochargingno
Recommended engine oil5W-20, 5W-30
Engine oil capacity, liter5.8
Fuel typepetrol
Euro standardsEURO 5/6
Fuel consumption, L/100 km (for Kia Sorento Prime 2016)
— city
— highway
— combined
12.9
7.5
9.4
Engine lifespan, km~300000
Weight, kg128.4

 

G4KJ Engine Cylinder Long Block