Theta II 2.4 GDI (G4KJ) vs G6DH 3.5 V6

Side-by-side reliability comparison

Higher reliability score
G6DH 3.5 V6 ACCEPTABLE 75/100
+50 points over Theta II 2.4 GDI (G4KJ)
0 / 100
AVOID Theta II 2.4 GDI (G4KJ) Hyundai/Kia
0 / 100
ACCEPTABLE G6DH 3.5 V6 Hyundai/Kia

Specifications

Theta II 2.4 GDI (G4KJ)
G6DH 3.5 V6
Brand
Hyundai/Kia
Hyundai/Kia
Verdict
AVOID
ACCEPTABLE
Reliability
25
75
Years
2009--2020
2020--present
Displacement
2359 cc
3470 cc
Layout
I4
V6
Type
Petrol Na
Petrol Na
Power
188--201 hp
272--300 hp
Known Issues
2
1
Total Risk Cost
€5,000--€20,000
€0--€0

Character

Theta II 2.4 GDI (G4KJ)

"MASSIVE recall. Rod bearing failure, engine seizure, fire risk. Multiple class-actions. Worst modern engine disaster."

G6DH 3.5 V6

"Genesis G80/GV70. Latest Lambda V6. NA or twin-turbo (3.5T). Chain driven. Too new for long-term data. No known pattern failures. Refined luxury V6."

Issues Comparison

Theta II 2.4 GDI (G4KJ) 2

◆ CRITICAL
Rod bearing failure — class-action, fire risk €5,000--€20,000 50,000 km--150,000 km
◆ CRITICAL
Recall compliance — verify before purchase €0--€0 0 km--∞

G6DH 3.5 V6 1

○ MINOR
Too new for pattern failures €0--€0 0 km--0 km

Models

Theta II 2.4 GDI (G4KJ) 2

Santa Fe 2.4 GDI DM 2012--2018 SUV Sorento 2.4 GDI UM 2014--2020 SUV

G6DH 3.5 V6 1

Carnival KA4 2021--present
Full Theta II 2.4 GDI (G4KJ) Report Full G6DH 3.5 V6 Report