Gamma 1.6 GDI (G4FD) vs Smartstream 1.6 CRDi (D4FE)
Side-by-side reliability comparison
Higher reliability score
Smartstream 1.6 CRDi (D4FE)
ACCEPTABLE
74/100
+39 points over Gamma 1.6 GDI (G4FD)
0
/ 100
AVOID
Gamma 1.6 GDI (G4FD)
Hyundai/Kia
0
/ 100
ACCEPTABLE
Smartstream 1.6 CRDi (D4FE)
Hyundai/Kia
Specifications
Gamma 1.6 GDI (G4FD)
Smartstream 1.6 CRDi (D4FE)
Brand
Hyundai/Kia
Hyundai/Kia
Verdict
AVOID
ACCEPTABLE
Reliability
35
74
Years
2011--2020
2018--present
Displacement
1591 cc
1598 cc
Layout
I4
I4
Type
Petrol Na
Diesel
Power
132--140 hp
115--136 hp
Known Issues
1
2
Total Risk Cost
€3,000--€12,000
€700--€1,500
Character
Gamma 1.6 GDI (G4FD)
"Direct injection = carbon buildup. No port injection to clean valves. Excessive carbon deposits cause misfires. Problematic."
Smartstream 1.6 CRDi (D4FE)
"Updated CRDi diesel with improved emissions. Tucson/Sportage. Reliable with standard diesel maintenance."
Issues Comparison
Gamma 1.6 GDI (G4FD) 1
◆ CRITICAL
Rod bearing failure — included in settlement
Smartstream 1.6 CRDi (D4FE) 2
○ MINOR
Carbon buildup (GDI)
○ MINOR
Timing chain — early data building