AVOID
Early Turbo
Theta II 2.4 (G4KJ)
Hyundai/Kia · 2.4L GDI I4
2009–2020
0
/ 100
AVOID
"MASSIVE recall. Rod bearing failure, engine seizure, fire risk. Multiple class-actions. Avoid."
Layout
I4
Displacement
2359 cc
Power
188–201 hp
Type
Petrol Na
Known Issues
0
Total Risk Cost
€0–€0
Models with Theta II 2.4 (G4KJ) 8
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Other Hyundai/Kia Engines
BUY
82
Gamma 1.6 MPI (G4FC)
1.6L NA I4
View details → Compare: Theta II 2.4 (G4KJ) vs Gamma 1.6 MPI (G4FC)
BUY
80
Gamma 1.4 MPI (G4FA)
1.4L NA I4
View details → Compare: Theta II 2.4 (G4KJ) vs Gamma 1.4 MPI (G4FA)
BUY
80
U/U2 1.6 CRDi (D4FB)
1.6L Diesel I4
View details → Compare: Theta II 2.4 (G4KJ) vs U/U2 1.6 CRDi (D4FB)
ACCEPTABLE
75
G6DH 3.5 V6
G6DH 3.5 V6 Lambda III
View details → Compare: Theta II 2.4 (G4KJ) vs G6DH 3.5 V6Tuning Potential
Not recommended — too risky
Frequently Asked Questions
Is the Hyundai/Kia Theta II 2.4 (G4KJ) reliable?
The Hyundai/Kia Theta II 2.4 (G4KJ) scores 38/100 with a verdict of AVOID. It has 0 documented issues with total repair costs between €0 and €0.
What cars use the Hyundai/Kia Theta II 2.4 (G4KJ)?
How much does it cost to repair the Theta II 2.4 (G4KJ)?
Total potential repair costs for all 0 known issues range from €0 to €0.
What years was the Theta II 2.4 (G4KJ) produced?
The Hyundai/Kia Theta II 2.4 (G4KJ) was produced from 2009 to 2020. It is a 2359cc I4 petrol na engine.
Scores are calculated from documented issues, repair costs, and failure patterns across thousands of owner reports and technical sources. Learn about our methodology. Always inspect before you buy.