Theta II 2.0 (G4KD)
Hyundai/Kia · Theta II 2.0 NA
2008–2018
"ix35/Sportage SL. Part of Theta II recall campaign — connecting rod bearing failure, engine seizure. NHTSA massive complaint volume. Check recall status before buying. Post-recall engines improved."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 2
Oil consumption leading to seizure
▸Low oil warnings, knock
Part of the recall campaign — manufacturing debris in oil passages.
Κατανάλωση λαδιού → μπλοκάρισμα. ΚΡΙΣΙΜΟ.
Connecting rod bearing failure (recall)
▸Metallic knock, seizure, fire risk
NHTSA massive recall. Engine can seize and cause fire. Check recall status.
ΑΝΑΚΛΗΣΗ: Ρουλεμάν μπιελών. ΕΛΕΓΞΤΕ αν έγινε η ανάκληση πριν αγοράσετε.
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Minimal
Frequently Asked Questions
Is the Hyundai/Kia Theta II 2.0 (G4KD) reliable?
The Hyundai/Kia Theta II 2.0 (G4KD) scores 48/100 with a verdict of CAUTION. It has 2 documented issues with total repair costs between €0 and €10,000.
What are the common problems with the Theta II 2.0 (G4KD)?
The most common issues are:
- Oil consumption leading to seizure — critical, repair cost €0–€5,000, 40,000 km–120,000 km
- Connecting rod bearing failure (recall) — critical, repair cost €0–€5,000, 50,000 km–150,000 km
How much does it cost to repair the Theta II 2.0 (G4KD)?
Total potential repair costs for all 2 known issues range from €0 to €10,000. The most expensive issue is typically .
What years was the Theta II 2.0 (G4KD) produced?
The Hyundai/Kia Theta II 2.0 (G4KD) was produced from 2008 to 2018. It is a 1998cc 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.