Hyundai Smartstream engine


The Hyundai Smartstream is a gasoline and diesel automobile engine branding used by Hyundai since 2018. An all-aluminum engine of Hyundai Motor Company debuted in the third-generation Hyundai i30 hatchback, which was unveiled in 2018 at the Paris Motor Show.

Gasoline engines

Smartstream G1.0 (G3LD)

The Smartstream G1.0 MPI is a naturally aspirated inline 3-cylinder engine with multi-port injection ; the engine makes at 6,200 rpm and of torque at 3,750 rpm.
Compared to the Kappa II 1.0 MPi predecessor, improvements include using dual port injectors for each cylinder and replacing the thermostat with an integrated temperature controlled valve.
Applications

Smartstream G1.0T (G3LE/G3LF)

The Smartstream G1.0 T-GDI is a turbocharged inline 3-cylinder engine with gasoline direct injection ; the engine makes at 6,000 rpm and of torque between 1,500 and 4,000 rpm. A detuned version with between 4,500 and 6,000 rpm is also available for some applications.
The Smartstream G1.0 T-GDI adds CVVD and mild hybrid support to the G3LE engine.
Applications

Smartstream G1.2 (G4LF)

The Smartstream G1.2 MPI is a naturally aspirated inline 4-cylinder engine with MPi; the engine makes at 6,300 rpm and of torque at 4,200 rpm.
Compared to the Kappa II 1.2 MPi predecessor, improvements include using dual port injectors for each cylinder and replacing the thermostat with an integrated temperature controlled valve.
Applications

Smartstream G1.4T (G4LD)

The Smartstream G1.4 T-GDI is a turbocharged inline 4-cylinder engine with GDi; the engine makes at 6,000 rpm and of torque between 1,500 and 3,200 rpm.
Applications

Smartstream G1.5 (G4FL/G4LG)

The Smartstream G1.5 MPi is a naturally aspirated inline 4-cylinder engine that carries a bore and stroke of 75.6 mm and 83.4 mm respectively and a 10.5:1 compression ratio; it makes at 6,300 rpm and of torque at 4,500 rpm. Developed from the Gamma family, it is also marketed as the 1.5 Smartstream Gamma II engine.
The Smartstream G1.5 DPi is a naturally aspirated inline 4-cylinder engine with both GDi and MPi from the Kappa family; it makes at 6,000 rpm and of torque at 3,500 rpm. It is produced by Kia Slovakia in Žilina.
Applications
Applications

Smartstream G1.5T (G4LH/G4LK/G4FS)

The Smartstream G1.5 T-GDI is a turbocharged inline 4-cylinder engine with GDi from the Kappa family that carries a bore and stroke of 71.6 mm and 92 mm respectively and a 10.5:1 compression ratio; it makes at 5,500 rpm and of torque between 1,500 and 3,000 rpm. It is produced by Kia Slovakia in Žilina.
The Smartstream G1.5 T-GDI adds CVVD and mild hybrid support to the G4LH engine.
The Smartstream G1.5 T-GDI is a turbocharged inline 4-cylinder engine with GDi that carries a bore and stroke of 75.6 mm and 83.4 mm respectively and a 10.5:1 compression ratio; it makes at 5,500 rpm and of torque between 1,500 and 4,000 rpm. A high output version that makes at 6,000 rpm and of torque between 2,200 and 4,000 rpm is also available for some applications. The engine is based on the Smartstream G1.5 MPi engine from the Gamma family, and mainly used in the Chinese market.
Applications
Applications

Smartstream G1.6 (G4FM)

The Smartstream G1.6 MPi is a engine with 11.2:1 compression ratio, the engine makes at 6,300 rpm and of torque at 4,500 rpm.
The Smartstream G1.6 DPi makes at 6,300 rpm and of torque at 4,500 rpm.
It features technologies such as CVVT, DPFI, HTCS, ITMS.
Applications
Applications

Smartstream G1.6T (G4FP)

The Smartstream G1.6 T-GDI replaced the 1.6 Gamma T-GDI engine. It is a turbocharged inline 4-cylinder engine with GDi that carries a bore and stroke of 75.6 mm and 89 mm respectively and a 10.0:1 compression ratio. This is the world's first production engine to use Continuously Variable Valve Duration technology, allowing it to adjust how long its intake valves remain open independently of timing and lift. Hyundai claims a 4% increase in performance, 5% increase in efficiency, and a 12% decrease in tailpipe emissions due to this technology.
The engine makes at 5,500 rpm with of torque between 1,500 and 4,500 rpm. Higher output versions that makes at 6,000 rpm with of torque between 1,600 and 4,500 rpm or at 6,000 rpm with of torque between 1,500 and 4,500 rpm are also available depending on application.
Applications

Smartstream G2.0 (G4NJ/G4NL/G4NM/G4NS)

The Smartstream G2.0 MPi is an inline 4-cylinder engine with MPi and a 10.3:1 compression ratio; the engine makes at 6,200 rpm and of torque at 4,000 rpm. It is an update of the Hyundai Nu Engine
The Smartstream G2.0 MPi CVVL adds CVVL to the G2.0 MPi engine; the engine makes at 6,500 rpm and of torque at 4,800 rpm.
The Smartstream G2.0 MPi Atkinson Cycle is an inline 4-cylinder engine with MPi and a 12.5:1 compression ratio; the engine makes at 6,200 rpm and of torque at 4,500 rpm.
Applications
Applications
Applications

Smartstream G2.0T (G4NN)

The Smartstream G2.0 T-GDi is a turbocharged inline 4-cylinder engine with GDi; the engine makes at 6,000 rpm and of torque between 1,500 and 4,000–4,500 rpm. It is built by Hyundai Wia Shandong.
Applications

Smartstream G2.5 (G4KM/G4KN)

Comes in two versions, 2.5 MPi and 2.5 GDi, Bore is with a stroke.
The Smartstream G2.5 MPi is an inline 4-cylinder engine with multi-port injection and a 10.5:1 compression ratio; the engine makes at 6,000 rpm and of torque at 4,000 rpm.
The Smartstream G2.5 GDi is an inline 4-cylinder engine with both direct and multi-port injection and a 13.0:1 compression ratio; the engine makes at 6,100 rpm and of torque at 4,000 rpm in the Sonata, for the Azera and Cadenza the engine makes at 6,100 rpm and of torque at 4,000 rpm.
Applications
Applications

Smartstream G2.5T (G4KP)

The Smartstream G2.5 T-GDi is a turbocharged inline 4-cylinder engine with both GDi and MPi for FWD applications, the engine makes at 6,000 rpm and of torque between 1,750 and 4,000 rpm for SUV applications with a 10.0:1 compression ratio while it makes at 5,800 rpm and of torque between 1,650 and 4,000 rpm for other applications with a 10.5:1 compression ratio.
Applications

Smartstream FR G2.5T (G4KR)

The Smartstream G2.5 FR T-GDi. is a turbocharged inline 4-cylinder engine for RWD applications with both GDi and MPi and a 10.5:1 compression ratio; the engine makes at 6,000 rpm and of torque between 1,650 and 4,000 rpm. A detuned version with at 5,800 rpm is used for the Kia Tasman.
Applications

Smartstream G3.5 (G6DT/G6DU)

The Smartstream G3.5 is a V6 for FWD based applications. Bore is with a stroke.
The Smartstream G3.5 GDi compression ratio is 12.3:1 and makes at 6,400 rpm and of torque at 5,200 rpm, for the Kia K8 application it makes at 6,400 rpm and of torque at 5,000 rpm.
The Smartstream G3.5 MPi makes at 6,400 rpm and of torque at 5,000 rpm.
Applications
Applications

Smartstream FR G3.5T (G6DS)

The Smartstream G3.5 FR T-GDI is a twin turbocharged 6-cylinder engine for RWD applications with an 11.0:1 compression ratio; the engine makes at 6,000 rpm and of torque between 1,300 and 4,500 rpm.
Compared to the 3.3L Lambda II RS T-GDi predecessor, peak power is up by while the peak torque is up by, at the same time fuel economy is improved by 6.1%, this engine replaces the GDi only fuel injection to dual fuel injection technology that combines the advantages of the GDi system that directly injects fuel into the combustion chamber and the MPi system that injects the inlet port of the combustion chamber. The thermostat was upgraded to an ITM unit and the high pressure pump pressure was increased from 200 bar to 250 bar. The intercooler was upgraded to a water-cooled unit from an air cooler unit, which increases the unique responsiveness of the turbocharger. Finally the Smartstream FR G3.5T is rated ULEV50 for emissions versus the ULEV70 rating for the 3.3L Lambda II RS T-GDi.
This engine is currently exclusive to Genesis, a subsidiary of Hyundai.
Applications

Smartstream FR G3.5T e-S/C (G6DV)

Similar to the Smartstream G3.5 FR T-GDI but with an additional 48V electric supercharger; the engine makes at 5,800 rpm and of torque between 1,300 and 4,500 rpm.
Applications

Hybrid engines

Smartstream G1.6 Hybrid/Plug-in Hybrid (G4LE/G4LL)

The Smartstream G1.6 GDI Hybrid combines a Smartstream G1.6 engine producing at 5,700 rpm and at 4,000 rpm, electric motor and a 1.32KWh battery for a total combined system power of @ 5,700 rpm with of torque.
The Smartstream G1.6 GDI Plug-in Hybrid combines a Smartstream G1.6 engine, electric motor and a 12.9KWh battery.
The Smartstream G1.6 GDI Hybrid combines a Smartstream G1.6 engine producing at 5,700 rpm and at 4,000 rpm, electric motor and a 1.32KWh battery for a total combined system power of @ 5,700 rpm with of torque @ 4,400 rpm.
The Smartstream G1.6 GDI Plug-in Hybrid combines a Smartstream G1.6 engine producing at 5,700 rpm and at 4,000 rpm, electric motor and a 11.1KWh battery for a total combined system power of @ 5,700 rpm with of torque @ 4,400 rpm.
Applications
Applications

Smartstream G1.6T Hybrid/Plug-in Hybrid (G4FT/G4FU)

The Smartstream G1.6 T-GDi Hybrid combines a Smartstream G1.6 T-GDi with an electric motor that makes between 1,600 rpm and 2,000 rpm with of torque between 0 and 1,600 rpm plus a 1.49KWh battery pack. Total combined system power is at 5,500 rpm with of torque between 1,500 and 4,400 rpm.
The engine which is installed in the Staria Hybrid features a more powerful electric motor which is rated with of torque. Total combined system power is at 5,500 rpm with of torque.
The Smartstream G1.6 T-GDI Plug-in Hybrid combines a Smartstream G1.6 T-GDI with an electric motor that makes between 2,100 and 3,300 rpm with of torque between 0 and 2,100 rpm plus a 13.8KWh battery pack. Total combined system power is with of torque.
Applications

Smartstream G2.0 Hybrid (G4NR)

The Smartstream G2.0 GDi HEV is an inline 4-cylinder engine with GDi and 14.0:1 compression ratio; the gasoline engine makes at 6,000 rpm and of torque at 5,000 rpm.
The electric motor in the hybrid engine makes between 1,770 and 2,000 rpm and of torque between 0 and 1,770 rpm for a total system output of at 6,000 rpm and.
In the plug-in hybrid version the electric motor makes between 1,770 and 2,000 rpm and of torque between 0 and 1,770 rpm for a total system output of at 6,000 rpm.
Applications

Smartstream G2.5T Hybrid (G4KS)

The Smartstream G2.5 T-GDi Hybrid combines a Smartstream G2.5 T-GDi engine that makes at 5,800 rpm with of torque between 1,800 and 4,500 rpm with an electric motor that makes with of torque plus a 1.65KWh battery pack. Total combined system power is at 5,800 rpm with of torque.
Applications

LPG engines

Smartstream L2.0 (L4NB)

The Smartstream L2.0 is similar to the G2.0 MPi but comes with LPi injection instead, the engine makes at 6,000 rpm and of torque at 4,200 rpm.
Applications

Smartstream L2.5 T-LPDi (L4KC)

The Smartstream L2.5 T-LPDi is turbocharged with LPi injection. The engine makes at 3,800 rpm and of torque between 1,250 and 3,800 rpm, a lower power version for manual transmissions makes at 3,800 rpm and of torque between 1,250 and 3,800 rpm.
Applications

Smartstream L3.5 (L6DC)

The Smartstream L3.5 is the LPG variant of the G3.5 engine, the engine makes at 6,000 rpm and of torque at 4,500 rpm.
Applications

Diesel engines

Smartstream D1.5

The Smartstream D1.5 VGT version makes at 4,000 rpm and of torque between 1,500 and 2,750 rpm, while the WGT version makes at 4,000 rpm and of torque between 1,500 and 2,750 rpm. It belongs to the Hyundai U engine family.
Applications

Smartstream D1.6 (D4FE)

The Smartstream D1.6 features a new integrated thermal management system and is lighter than its predecessor thanks to an engine block constructed from aluminum. The engine uses a long life timing belt to drive the camshafts and makes at 4,000 rpm and of torque between 2,000 and 2,250 rpm.
Applications

Smartstream D2.0 (D4HD)

The Smartstream D2.0 makes at 4,000 rpm and of torque between 2,000 and 2,750 rpm.
Applications

Smartstream D2.2 (D4HE/D4HH)

The Smartstream D2.2 features an aluminium block versus the older R II 2.2L engine and therefore it is 38 kg lighter, the engine compression ratio is 16.0:1 and the fuel pressure was increased to 2,200 bar. The engine switched back to a timing belt instead of a timing chain.
The D4HE and D4HH engines produce at 3,800 rpm and of torque between 1,750 and 2,750 rpm.
Applications

Smartstream FR D2.2 (D4HF)

The D4HF is for RWD based applications and the engine produce at 3,800 rpm and of torque between 1,750 and 2,750 rpm.
Applications

Smartstream D3.0 (D6JA)

The Smartstream D3.0 is a turbocharged inline 6-cylinder diesel engine with a bore of and stroke respectively; the engine makes at 3,750 rpm and of torque between 1,500 and 3,250 rpm, since 2022 the power rating was revised to at 3,800 rpm.
This engine is 32 kg lighter than its predecessor and friction is reduced by water-cooled technology Intercooler. EGR and SCR system is applied to reduce the fuel consumption and fuel pressure was increased from 1,800 bar to 2,200 bar.
Applications