Theta II 2.0 (G4KD) vs Smartstream 1.6T (G4FP)

Side-by-side reliability comparison

Higher reliability score
Smartstream 1.6T (G4FP) ACCEPTABLE 75/100
+27 points over Theta II 2.0 (G4KD)
0 / 100
CAUTION Theta II 2.0 (G4KD) Hyundai/Kia
0 / 100
ACCEPTABLE Smartstream 1.6T (G4FP) Hyundai/Kia

Specifications

Theta II 2.0 (G4KD)
Smartstream 1.6T (G4FP)
Brand
Hyundai/Kia
Hyundai/Kia
Verdict
CAUTION
ACCEPTABLE
Reliability
48
75
Years
2008--2018
2019--present
Displacement
1998 cc
1598 cc
Layout
I4
I4
Type
Petrol Na
Petrol Turbo
Power
163--165 hp
178--180 hp
Known Issues
2
0
Total Risk Cost
€0--€10,000
€0--€0

Character

Theta II 2.0 (G4KD)

"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."

Smartstream 1.6T (G4FP)

"Gamma III architecture. Oil separator = less carbon. Improved over earlier 1.6T. Good daily."

Issues Comparison

Theta II 2.0 (G4KD) 2

◆ CRITICAL
Oil consumption leading to seizure €0--€5,000 40,000 km--120,000 km
◆ CRITICAL
Connecting rod bearing failure (recall) €0--€5,000 50,000 km--150,000 km

Smartstream 1.6T (G4FP) 0

No documented issues.

Models

Theta II 2.0 (G4KD) 0

No models listed.

Smartstream 1.6T (G4FP) 20

Sportage NQ5 2022--present Tucson NX4 2021--present Sportage NQ5 2022--present Tucson NX4 2021--present Seltos SP2 2020--present Sorento MQ4 2020--present Sportage NQ5 2022--present Santa Fe TM 2021--2024 Sportage NQ5 2022--present Tucson NX4 2021--present Santa Fe MX5 2024--present Santa Fe TM 2021--2024 Santa Fe MX5 2024--present Sorento MQ4 2021--present Tucson NX4 2021--present Kona SX2 2023--present Pro Ceed CD 2019--2021 i30 PD 2017--present Ceed CD 2018--present XCeed CD 2019--2021
Full Theta II 2.0 (G4KD) Report Full Smartstream 1.6T (G4FP) Report