Theta II 2.4 MPI (G4KE) vs Smartstream 1.6 CRDi (D4FE)

Side-by-side reliability comparison

Higher reliability score
Smartstream 1.6 CRDi (D4FE) ACCEPTABLE 74/100
+19 points over Theta II 2.4 MPI (G4KE)
0 / 100
CAUTION Theta II 2.4 MPI (G4KE) Hyundai/Kia
0 / 100
ACCEPTABLE Smartstream 1.6 CRDi (D4FE) Hyundai/Kia

Specifications

Theta II 2.4 MPI (G4KE)
Smartstream 1.6 CRDi (D4FE)
Brand
Hyundai/Kia
Hyundai/Kia
Verdict
CAUTION
ACCEPTABLE
Reliability
55
74
Years
2009--2020
2018--present
Displacement
2359 cc
1598 cc
Layout
I4
I4
Type
Petrol Na
Diesel
Power
175--188 hp
115--136 hp
Known Issues
1
2
Total Risk Cost
€5,000--€20,000
€700--€1,500

Character

Theta II 2.4 MPI (G4KE)

"MPI version avoids some GDI carbon issues but shares Theta II platform. Less recall-prone than GDI. Still risky."

Smartstream 1.6 CRDi (D4FE)

"Updated CRDi diesel with improved emissions. Tucson/Sportage. Reliable with standard diesel maintenance."

Issues Comparison

Theta II 2.4 MPI (G4KE) 1

◆ CRITICAL
Rod bearing failure (same settlement as GDI) €5,000--€20,000 50,000 km--150,000 km

Smartstream 1.6 CRDi (D4FE) 2

○ MINOR
Carbon buildup (GDI) €300--€600 60,000 km--120,000 km
○ MINOR
Timing chain — early data building €400--€900 100,000 km--160,000 km

Models

Theta II 2.4 MPI (G4KE) 0

No models listed.

Smartstream 1.6 CRDi (D4FE) 10

Ceed 1.4 T-GDI CD 2018--2024 Hatchback Ceed 1.5 T-GDI CD LCI 2021--2024 Hatchback ProCeed 1.5 T-GDI CD 2018--2024 Wagon Sportage 1.6 T-GDI QL 2015--2021 SUV Sportage 1.6 T-GDI NQ5 2021--2024 SUV Tucson 1.6 T-GDI TL 2015--2020 SUV Tucson 1.6 T-GDI NX4 2020--2024 SUV Xceed 1.5 T-GDI CD 2019--2024 SUV i30 1.4 T-GDI PD 2017--2024 Hatchback i30 1.5 T-GDI PD LCI 2020--2024 Hatchback
Full Theta II 2.4 MPI (G4KE) Report Full Smartstream 1.6 CRDi (D4FE) Report