G4KH1 Hyundai Theta II 2.0 Turbo GDI

Модульний 4-циліндровий двигун з TwinPower Turbo, що забезпечує високу ефективність та потужність при збереженні економії пального.

Brand: Hyundai Type: Petrol Configuration: Inline-4 Production Years: 2010 - теперішній час Production: Ulsan, South Korea
42 Brand engines
13 Modifications

Technical Specifications

Engine Displacement 2.0 L (1,998 cc)
Configuration Inline-4
Number of Cylinders 4
Valves per Cylinder 4
Power 260 - 275 л.с.
Torque 353 - 365 Н*м
Cylinder Bore 86.00 mm
Piston Stroke 86.00 mm
Compression Ratio 9.5:1
Firing Order 1-3-4-2
Fuel System Direct Injection
Aspiration Turbocharged
Turbocharger Single twin-scroll turbocharger
Intercooler Yes
Maximum RPM 6,000 rpm
Max Torque RPM 1,750 rpm
Valve Train DOHC
Timing Drive Chain
Timing Chain Replacement 250000 or as needed
Block Material Aluminum
Head Material Aluminum
Engine Weight 145 kg
Dimensions (L×W×H) 650 × 600 × 700 mm
Lubrication System Pressure lubrication
Cooling System Liquid cooling

Additional Information

Engine Family Theta II
Manufacturing Plant Ulsan, South Korea
Predecessor G4KF

Maintenance

Engine Oil Capacity 5 L (with filter: 5.3 L)
Recommended Viscosity 5W-30, 5W-40
Oil Standard API SN, ACEA A5
Recommended Brands Castrol Edge, Mobil 1, Shell Helix
Oil Change Interval 15 000 km or 12 mo
Oil Filter 26300-35503
Air Filter 28113-3S100
Replace every 60 000 km
Fuel filter 31112-3S000
Cabin Filter 97133-2E210
Spark Plugs Type: Iridium
Part number: 18846-11070
Gap: 0.8 mm
Quantity: 4 pcs
Replace every 60 000 km
Coolant Capacity 7 L
Coolant Type G12++ (Hyundai Coolant)
Coolant Change Interval 240 000 km
Thermostat Opening Temperature 88°C
Operating Temperature 90°C
Max Operating Temperature 120°C
Critical Temperature 130°C
Annual Maintenance Cost 600-1000 USD

Reliability

Reliability rating: 7/10

Expected lifespan: 250 000 km

Common problems

Problem Severity Mileage Repair cost
Oil consumption issues Medium 50000-100000 km $500-1000
Turbocharger failure High 100000-150000 km $1500-2500

Known defects

  • Potential for oil leaks from valve cover gasket
  • Turbocharger wastegate actuator issues

Warranty extensions

  • Extended warranty for engine issues up to 10 years/120000 miles in some markets

Tuning potential

Tuning potential: High | Max. safe power: 450 hp

Stage Power Torque Method Cost
Stage 1 300 hp 400 Nm ECU remap only
Reliability impact: Minimal 		$600
Stage 2 350 hp 450 Nm ECU, Downpipe, Intake
Required: Upgraded intercooler, Downpipe, ECU remap
Reliability impact: Low 		$3000
Stage 3 400 hp 500 Nm Hybrid Turbo, Injectors
Required: Bigger turbo, Forged internals, Upgraded fuel system
Reliability impact: Medium-High 		$10000

Popular modifications

  • Cold air intake
  • High-flow exhaust
  • ECU tuning

Tuning limitations

  • Stock internals limit power above 400hp
  • Cooling system upgrades recommended for track use

Cars with the G4KH1 engine

This engine was fitted to 6 models

Photo Brand Model Generation Production years
No photo
 Changan CS95 CS95 II 2023 - present
No photo
 Changan Raeton Plus Raeton Plus 2021 - present
No photo
 Hyundai Kona Kona II 2023 - present
No photo
 Hyundai Santa Fe Santa Fe IV (TM) 2018 - present
No photo
 Hyundai Sonata Sonata VIII (DN8) 2019 - present
No photo
 Hyundai Tucson Tucson IV (NX4) 2020 - present

All modifications (13)

Vehicle Generation Modification Power Gearbox Drive
Changan CS95 CS95 II 2.0T 252 л.с. 6-МКП 4x4 252 hp 6-МКП 4x4
Changan CS95 CS95 II 2.0T 252 л.с. 7 DCT 2WD 252 hp 7 DCT 2WD
Changan CS95 CS95 II 2.0T 252 л.с. 8 Автомат 4x4 252 hp 8 Автомат 4x4
Changan Raeton Plus Raeton Plus 2.0 Turbo 252 л.с. 6-МКП 4x4 252 hp 6-МКП 4x4
Changan Raeton Plus Raeton Plus 2.0 Turbo 252 л.с. 7-DSG 4x4 252 hp 7-DSG 4x4
Changan Raeton Plus Raeton Plus 2.0 Turbo 252 л.с. 8-Автомат 4x4 252 hp 8-Автомат 4x4
Hyundai Kona Kona II 1.6 GDI Hybrid 141 л.с. 6-МКП 2WD 141 hp 6-МКП 2WD
Hyundai Kona Kona II 1.6 GDI Hybrid 141 л.с. 7-Автомат 2WD 141 hp 7-Автомат 2WD
Hyundai Santa Fe Santa Fe IV (TM) Гібрид 2.0 GDI 230 л.с. 6-Автомат 2WD 230 hp 6-Автомат 2WD
Hyundai Sonata Sonata VIII (DN8) Гібрид 2.0 GDI 192 л.с. 6-Автомат 2WD 192 hp 6-Автомат 2WD
Hyundai Sonata Sonata VIII (DN8) Гібрид 2.0 GDI 192 л.с. 7-Автомат 2WD 192 hp 7-Автомат 2WD
Hyundai Tucson Tucson IV (NX4) Hybrid 1.6 GDi 230 л.с. 6-МКП 2WD 230 hp 6-МКП 2WD
Hyundai Tucson Tucson IV (NX4) Hybrid 1.6 GDi 230 л.с. 7 DCT 2WD 230 hp 7 DCT 2WD

Interesting Facts

  • The engine features a twin-scroll turbocharger for improved efficiency and power delivery.
  • Used in the Hyundai Genesis Coupe, known for its sporty performance.

Applications

Total produced: unknown

Vehicle Generation Years Power Markets
Hyundai Genesis Coupe BK 2010-2016 260hp/275hp North America, Asia, Europe

Compatible transmissions: 6-speed Manual, 8-speed Automatic

Drive types: RWD

Fuel Economy

Fuel Type Petrol 95
Octane Rating Minimum: 91 | Recommended: 95
Consumption (City) 11 L/100km
Consumption (Highway) 7.5 L/100km
Consumption (Combined) 9 L/100km
Real Consumption 10 L/100km
Fuel Tank Capacity 66 L
Range 733 km
Cost per 100 km 15-20 USD

Emissions Standards

Emission Standard Euro 5
CO₂ Emissions 210 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Awards and Recognition

  • Ward's 10 Best Engines (2011) — 2.0L Turbocharged

Comparison with competitors

Engine Brand Displacement Power Torque
K20C1 Honda 1,996 cc 306 hp 400 Nm
FA20 Subaru 1,998 cc 268 hp 350 Nm

Pros

  • High tuning potential
  • Strong performance in stock form
  • Efficient turbocharging system

Cons

  • Known issues with oil consumption
  • Turbocharger reliability concerns
  • Higher emissions compared to newer engines