| Smartstream engine | |
| Manufacturer: | Hyundai Motor Company |
| Production: | 2018–present |
| Block: | Aluminium |
| Head: | Aluminium |
| Valvetrain: | DOHC |
| Compression: | 10.0:1–16.0:1 |
| Coolingsystem: | Watercooled |
| Power: | NaN0NaN0 |
| Torque: | NaNkgm |
| Emissions Level: | Euro 6 |
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 (codenamed PD), which was unveiled in 2018 at the Paris Motor Show.
The Smartstream G1.0 MPI is a naturally aspirated 998cc inline 3-cylinder engine with multi-port injection (MPi); the engine makes 760NaN0 at 6,200 rpm and 9.70NaN0 of torque at 3,750 rpm. It has been developed from the Kappa family.[1] [2] [3]
Applications
The Smartstream G1.0 T-GDI is a turbocharged inline 3-cylinder engine with gasoline direct injection (GDi); the engine makes 1200NaN0 at 6,000 rpm and 17.50NaN0 of torque between 1,500 and 4,000 rpm. A detuned version with 1000NaN0 between 4,500 and 6,000 rpm is also available for some applications.
Applications
The Smartstream G1.2 MPI is a naturally aspirated 1197cc inline 4-cylinder engine with MPi; the engine makes 830NaN0 at 6,300 rpm and 11.7- of torque at 4,200 rpm.
Applications
The Smartstream G1.4 T-GDI[7] is a turbocharged inline 4-cylinder engine with GDi; the engine makes 1400NaN0 at 6,000 rpm and 24.70NaN0 of torque between 1,500 and 3,200 rpm.
Applications
The Smartstream G1.5 MPi (G4FL) is a naturally aspirated 1497cc 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 1150NaN0 at 6,300 rpm and 14.7kgm of torque at 4,500 rpm.[8] Developed from the Gamma family, it is also marketed as the 1.5 Smartstream Gamma II engine.[9]
The Smartstream G1.5 DPi (G4LG) is a naturally aspirated 1498cc inline 4-cylinder engine with both GDi and MPi from the Kappa family; it makes 1100NaN0 at 6,000 rpm and 14.7kgm of torque at 3,500 rpm. It is produced by Kia Slovakia in Žilina.[10] [11]
Applications (G4FL)
Applications (G4LG)
The Smartstream G1.5 T-GDI (G4LH) is a turbocharged 1482cc inline 4-cylinder engine with GDi from the Kappa family that carries a bore and stroke of 71.6 mm and 92 mm[12] respectively and a 10.5:1 compression ratio; it makes 1600NaN0 at 5,500 rpm and 25.8kgm of torque between 1,500 and 3,000 rpm. It is produced by Kia Slovakia in Žilina.
The Smartstream G1.5 T-GDI (G4FS)[13] is a turbocharged 1497cc[14] 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 1700NaN0 at 5,500 rpm and 25.8kgm of torque between 1,500 and 4,000 rpm. A high output version that makes 2000NaN0 at 6,000 rpm and 25.8kgm 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 (G4FL) engine from the Gamma family, and mainly used in the Chinese market.
Applications (G4LH)
Applications (G4FS)
The Smartstream G1.6 MPi (G4FM) is a 1598cc engine with 11.2:1 compression ratio, the engine makes 1230NaN0 at 6,300 rpm and 15.7kgm of torque at 4,500 rpm.
The Smartstream G1.6 DPi makes 1220NaN0 at 6,300 rpm and 15.6kgm of torque at 4,500 rpm.
It features technologies[18] such as CVVT (Continuously Variable Valve Timing), DPFI (Dual-Port Fuel Injection), HTCS (High Tumble Combustion System), ITMS (Integrated Thermal Management System).
Applications (MPi)
Applications (DPi)
The Smartstream G1.6 T-GDI[21] replaced the 1.6 Gamma T-GDI engine. It is a 1598cc 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(±0.2):1 compression ratio. This is the world's first production engine to use Continuously Variable Valve Duration (CVVD) 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.[22]
The engine makes 1800NaN0 at 5,500 rpm with 270NaN0 of torque between 1,500 and 4,500 rpm. Higher output versions that makes 1950NaN0 at 6,000 rpm with 270NaN0 of torque between 1,600 and 4,500 rpm or 2040NaN0 at 6,000 rpm with 280NaN0 of torque between 1,500 and 4,500 rpm are also available depending on application.
Applications
The Smartstream G2.0 MPi (G4NJ/G4NL) is an inline 4-cylinder engine with MPi and a 10.3:1 compression ratio; the engine makes 1520NaN0 at 6,200 rpm and 19.60NaN0 of torque at 4,000 rpm. It is an update of the Hyundai Nu Engine
The Smartstream G2.0 MPi CVVL (G4NM) adds CVVL to the G2.0 MPi engine; the engine makes 1600NaN0 at 6,500 rpm and 200NaN0 of torque at 4,800 rpm.[23]
The Smartstream G2.0 MPi Atkinson Cycle (G4NS) is an inline 4-cylinder engine with MPi and a 12.5:1 compression ratio; the engine makes 1490NaN0 at 6,200 rpm and 18.30NaN0 of torque at 4,500 rpm.
Applications (G4NJ/G4NL)
Applications (G4NM)
Applications (G4NS)
The Smartstream G2.0 T-GDi is a turbocharged inline 4-cylinder engine with GDi; the engine makes NaN0NaN0 at 6,000 rpm and 360NaN0 of torque between 1,500 and 4,000 rpm. It is built by Hyundai Wia Shandong.[24]
Applications
Comes in two versions, 2.5 MPi (G4KM)[25] and 2.5 GDi (G4KN),[26] Bore is 88.5mm with a 101.5mm 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 179.50NaN0 at 6,000 rpm and 23.70NaN0 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 1940NaN0 at 6,100 rpm and 250NaN0 of torque at 4,000 rpm in the Sonata, for the Azera and Cadenza the engine makes 1980NaN0 at 6,100 rpm and 25.30NaN0 of torque at 4,000 rpm.
Applications (G4KM)
Applications (G4KN)
The Smartstream G2.5 T-GDi is a turbocharged inline 4-cylinder engine for FWD applications, the engine makes 2810NaN0 at 6,000 rpm and 430NaN0 of torque between 1,750 and 4,000 rpm for SUV applications with a 10.0:1 compression ratio while it makes 290- at 5,800 rpm and 430NaN0 of torque between 1,650 and 4,000 rpm for other applications with a 10.5:1 compression ratio.
Applications
The Smartstream G2.5 FR T-GDi.[27] 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 3040NaN0 at 6,000 rpm and 430NaN0 of torque between 1,650 and 4,000 rpm.
Applications
The Smartstream G3.5 is a V6 for FWD based applications. Bore is 92mm with a 87mm stroke.
The Smartstream G3.5 GDi (G6DT) compression ratio is 12.3:1 and makes 2940NaN0 at 6,400 rpm and 36.20NaN0 of torque at 5,200 rpm, for the Kia K8 application it makes 3000NaN0 at 6,400 rpm and 36.60NaN0 of torque at 5,000 rpm.
The Smartstream G3.5 MPi (G6DU) makes 2720NaN0 at 6,400 rpm and 33.80NaN0 of torque at 5,000 rpm.
Applications (G6DT)
Applications (G6DU)
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 3800NaN0 at 6,000 rpm and 540NaN0 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 101NaN1 while the peak torque is up by 21NaN1, 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
Similar to the Smartstream G3.5 FR T-GDI but with an additional 48V electric supercharger; the engine makes 4150NaN0 at 5,800 rpm and 560NaN0 of torque between 1,300 and 4,500 rpm.
Applications
The Smartstream G1.6 GDI Hybrid (G4LE) combines a Smartstream G1.6 engine producing 1050NaN0 at 5,700 rpm and 150NaN0 at 4,000 rpm, 440NaN0 17.30NaN0 electric motor and a 1.32KWh battery for a total combined system power of 1410NaN0 @ 5,700 rpm with 270NaN0 of torque.
The Smartstream G1.6 GDI Plug-in Hybrid (G4LE) combines a Smartstream G1.6 engine, 600NaN0 17.30NaN0 electric motor and a 12.9KWh battery.
The Smartstream G1.6 GDI Hybrid (G4LL) combines a Smartstream G1.6 engine producing 1050NaN0 at 5,700 rpm and 14.70NaN0 at 4,000 rpm, 570NaN0 electric motor and a 1.32KWh battery for a total combined system power of 1410NaN0 @ 5,700 rpm with 270NaN0 of torque @ 4,400 rpm.
The Smartstream G1.6 GDI Plug-in Hybrid (G4LL) combines a Smartstream G1.6 engine producing 1050NaN0 at 5,700 rpm and 14.70NaN0 at 4,000 rpm, 1130NaN0 20.70NaN0 electric motor and a 11.1KWh battery for a total combined system power of 1820NaN0 @ 5,700 rpm with 270NaN0 of torque @ 4,400 rpm.
Applications (G4LE)
Applications (G4LL)
The Smartstream G1.6 T-GDi Hybrid combines a Smartstream G1.6 T-GDi with an electric motor that makes 600NaN0 between 1,600 rpm and 2,000 rpm with 26.9kgm of torque between 0 and 1,600 rpm plus a 1.49KWh battery pack. Total combined system power is 2300NaN0 at 5,500 rpm with 35.70NaN0 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 740NaN0 with 31kgm of torque. Total combined system power is 2450NaN0 at 5,500 rpm with 37.40NaN0 of torque.[28]
The Smartstream G1.6 T-GDI Plug-in Hybrid combines a Smartstream G1.6 T-GDI with an electric motor that makes 910NaN0 between 2,100 and 3,300 rpm with 31kgm of torque between 0 and 2,100 rpm plus a 13.8KWh battery pack. Total combined system power is 2650NaN0 with 35.70NaN0 of torque.
Applications
The Smartstream G2.0 GDi HEV is an inline 4-cylinder engine with GDi and 14.0:1 compression ratio; the gasoline engine makes 1520NaN0 at 6,000 rpm and 19.20NaN0 of torque at 5,000 rpm.
The electric motor in the hybrid engine makes 510NaN0 between 1,770 and 2,000 rpm and 20.90NaN0 of torque between 0 and 1,770 rpm for a total system output of 1950NaN0 at 6,000 rpm[29] and 37.50NaN0.
In the plug-in hybrid version the electric motor makes 680NaN0 between 1,770 and 2,000 rpm and 20.90NaN0 of torque between 0 and 1,770 rpm for a total system output of 2050NaN0 at 6,000 rpm.
Applications
The Smartstream L2.0 is similar to the G2.0 MPi but comes with LPi injection instead,[30] the engine makes 1460NaN0 at 6,000 rpm and 19.50NaN0 of torque at 4,200 rpm.
Applications
The Smartstream L2.5 T-LPDi is turbocharged 2469cc with LPi injection. The engine makes 1590NaN0 at 3,800 rpm and 300NaN0 of torque between 1,250 and 3,800 rpm, a lower power version for manual transmissions makes 1380NaN0 at 3,800 rpm and 260NaN0 of torque between 1,250 and 3,800 rpm.
Applications
The Smartstream L3.5 is the LPG variant of the G3.5 engine, the engine makes 2400NaN0 at 6,000 rpm and 320NaN0 of torque at 4,500 rpm.
Applications
The Smartstream D1.5 VGT version makes 1150NaN0 at 4,000 rpm and 25.50NaN0 of torque between 1,500 and 2,750 rpm, while the WGT version makes 1000NaN0 at 4,000 rpm and 24.50NaN0 of torque between 1,500 and 2,750 rpm. It belongs to the Hyundai U engine family.
Applications
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 1360NaN0 at 4,000 rpm and 32.60NaN0 of torque between 2,000 and 2,250 rpm.
Applications
The Smartstream D2.0 makes 1860NaN0 at 4,000 rpm and 42.50NaN0 of torque between 2,000 and 2,750 rpm.
Applications
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 2020NaN0 at 3,800 rpm and 450NaN0 of torque between 1,750 and 2,750 rpm.
Applications
The D4HF is for RWD based applications and the engine produce 2100NaN0 at 3,800 rpm and 450NaN0 of torque between 1,750 and 2,750 rpm.
Applications
The Smartstream D3.0 is a turbocharged inline 6-cylinder diesel engine with a bore of 83mm and 92.3mm stroke respectively; the engine makes 2780NaN0 at 3,750 rpm and 600NaN0 of torque between 1,500 and 3,250 rpm, since 2022 the power rating was revised to 2730NaN0 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