GM small gasoline engine - Engine

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The GM Small Gasoline Engine (SGE) is a family of small-displacement three- and four-cylinder gasoline engines ranging from 1.0 L to 1.5 L, developed by Adam Opel AG, Shanghai Automotive Industry Corporation (SAIC), MG Motor (MG), Shanghai GM (SGM) and the Pan-Asia Technical Automotive Center (PATAC).[1]

Small Gasoline Engine

Overview
Manufacturer	General Motors SAIC Motor
Also called	Microtec
Production	2013 (2013)–present
Layout
Configuration	Straight-3 Straight-4
Displacement	999 cc (1.0 L; 61.0 cu in) 1,117 cc (1.1 L; 68.2 cu in) 1,399 cc (1.4 L; 85.4 cu in) 1,490 cc (1.5 L; 90.9 cu in)
Cylinder bore	74 mm (2.91 in)
Piston stroke	77.4 mm (3.05 in) 77.7 mm (3.06 in) 81.3 mm (3.20 in) 86.6 mm (3.41 in)
Block material	Aluminium
Head material	Aluminium
Valvetrain	DOHC 4 valves x cyl.
Compression ratio	10.0:1 - 12.5:1
RPM range
Redline	6500
Combustion
Turbocharger	Mitsubishi Heavy Industries one-stage single-scroll (some versions)
Fuel system	Sequential multi-port FI Direct injection
Fuel type	CNG E85 E100 Gasoline LPG
Oil system	Wet sump
Cooling system	Water cooled
Output
Power output	55–121 kW (74–163 hp; 75–165 PS)
Torque output	95–249 N⋅m (70–184 lb⋅ft)
Dimensions
Dry weight	98 kg (216 lb)
Chronology
Predecessor	S-TEC Family 0
Successor	GM E-Turbo engine (1.4 Version)

The new global family is designed to improve fuel economy, performance, and emissions, reduce noise and vibrations. To achieve this, it features lightweight design and advanced technologies like gasoline direct injection, turbocharging, variable length intake manifold and alternative fuel compatibility. It utilizes modular approach with interchangeable components that can be suited to specific application.

The initial engine variants include

999 cc (1.0 L; 61.0 cu in) I3 DI DCVCP turbo 77.4 mm (3.05 in) stroke,
1,118 cc (1.1 L; 68.2 cu in) I3 PFI 86.6 mm (3.41 in) stroke,
1,399 cc (1.4 L; 85.4 cu in) I4 DI DCVCP turbo 81.3 mm (3.20 in) stroke and
1,490 cc (1.5 L; 90.9 cu in) I4 PFI 86.6 mm (3.41 in) stroke. All are derived from just two blocks (three and four cylinder) sharing a common 74 mm (2.91 in) bore with 81 mm (3.19 in) bore spacing. Mitsubishi Heavy Industries provides one-stage single-scroll turbocharger.[2]

To aid with NVH (Noise, vibration, and harshness) levels the direct injection fuel rail mounts to the cylinder head and valve cover via bushings that isolate that loud ticking noise the injector pintles make. GM claims that the 1.0-liter turbo is 25 percent (3 dBA) quieter than the Ford Fiesta's 1.0-liter turbo, and the 1.4-liter is up to 50 percent (6 dBA) quieter than the VW/Audi 1.4-liter turbo. Other silencing measures include a bed-plate cylinder block that increases stiffness, a stiffened aluminum front cam cover. Three-cylinder variants get a counter-rotating (engine-speed) balance shaft that is integrated with the oil pump and located inside the two-piece aluminum oil pan to prevent radiated noise. GM claims the EcoTec triple will idle more smoothly than Ford's three-cylinder, which does not use a shaft.[2]

All turbocharged variants will provide 90 percent of their max torque between 1500 and 5000 rpm, with peak power arriving between 5600 and 6000 rpm. The MHI turbos are sized to provide quick torque response, and are mounted very close to the cylinders, thanks to cylinder heads that incorporate the exhaust manifolds in the head.[2]

To reduce mass, the engines are compact in all directions, made almost entirely of aluminum, and feature composite intake manifolds. This removes 44 pounds (20 kg) from the existing 1.4-liter turbo in the Cruze and makes it 8 pounds (4 kg) lighter than the 1.4-liter VW turbo. GM says this engine weighs 216 pounds (98 kg), ready for installation.[2]

The engines will debut in the 2014 Opel Adam[3] and will be produced in Szentgotthárd, Hungary[4][5] and GM's Flint Engine plant.[6] The new engine family will spread to other brands and markets by the end of the decade and will replace three separate engine families (S-TEC, Family 0, and Family 1).

The engine is used in:

2014 Opel Adam
2014 MG GT[7]
2014 Opel Corsa E
2014 Roewe 360
2015 MG GS
2016 Buick Encore Sport Touring[8]
2015-16 Chevrolet Cruze
2016 Chevrolet Malibu
2016 Chevrolet Volt[6]
2016 Chevrolet Spark[9]
2016 Buick Envision
2016 Roewe e950 plug-in hybrid
2016 Roewe RX5
2017 Roewe i6
2017 MG 6
2017 Roewe i5
2018 Chevrolet Equinox
2018 MG HS
2018 MG ZS

The assembly lines for North American facilities were manufactured by Hirata Corporation at their powertrain facility in Kumamoto, Japan.

Non-Opel Variants

1.4

LV7

The LV7 is the multi-point fuel injection 1.4L naturally aspirated variant of the SGE engine, with a 74 mm × 81.3 mm (2.91 in × 3.20 in) bore and stroke for a total capacity of 1,399 cc (1.4 L). Compression ratio is 10.6:1 and the engine can run on regular unleaded grade gasoline. Assembly is in Changwon, South Korea.

Year(s)	Model	Power	Torque	Dyno Chart
2016-	Chevrolet Spark	73 kW (98 hp) @ 6200 rpm	128 N⋅m (94 lb⋅ft) @ 4400 rpm	dyno chart

LE2

The LE2 is the direct-injection 1.4L turbocharged variant of the SGE engine, with a 74 mm × 81.3 mm (2.91 in × 3.20 in) bore and stroke for a total capacity of 1,399 cc (1.4 L). Compression ratio is 10.0:1 and the engine can run on regular grade gasoline. The LE2 is also paired with Start-Stop technology in some vehicles.

Year(s)	Model	Power	Torque	Dyno Chart
2016	Buick Encore Sport Touring	114 kW (153 hp) @ 5600 rpm	240 N⋅m (177 lb⋅ft) @ 2000-4000 rpm
2017-2019	Buick Encore (Optional)	114 kW (153 hp) @ 5600 rpm	240 N⋅m (177 lb⋅ft) @ 2000-4000 rpm
2021-	Buick Encore	116 kW (155 hp) @ 5600 rpm	240 N⋅m (177 lb⋅ft) @ 2000-4000 rpm
2016-	Chevrolet Cruze	114 kW (153 hp) @ 5600 rpm	240 N⋅m (177 lb⋅ft) @ 2000-4000 rpm	dyno chart
2021-	Chevrolet Trax	116 kW (155 hp) @ 5600 rpm	240 N⋅m (177 lb⋅ft) @ 2000-4000 rpm

1.5

L3A

The L3A is the direct injection 1.5L naturally aspirated variant of the SGE engine used in the second generation Chevrolet Volt, with a 74 mm × 86.6 mm (2.91 in × 3.41 in) bore and stroke for a total capacity of 1,490 cc (1.5 L). Compression ratio is 12.5:1 and the engine can run on regular unleaded grade gasoline. Maximum engine speed is 6000 rpm.

Year(s)	Model	Power	Torque
2016-2019	Chevrolet Volt	75 kW (100 hp) @ 5600 rpm	140 N⋅m (103 lb⋅ft) @ 4300 rpm
2017–2019	Buick Velite 5	79 kW (106 hp) @ 5800 rpm	138 N⋅m (102 lb⋅ft) @ 4400 rpm
2020-	MG 5	84 kW (112 hp) @ 6000 rpm	150 N⋅m (111 lb⋅ft) @ 4500 rpm

LFV

The LFV is a direct-injection cast aluminum DOHC 1.5 L turbocharged SGE variant, with a 74 mm × 86.6 mm (2.91 in × 3.41 in) bore and stroke for a total capacity of 1,490 cc (1.5 L). Compression ratio is 10.0:1 and the engine can run on regular unleaded grade gasoline. Maximum engine speed is 6500 rpm. Automatic Start-Stop is available with this engine. Assembly is in Shanghai (China), Changwon (South Korea), Toluca (Mexico), Spring Hill (Tennessee) and Flint (Michigan).

Year(s)	Model	Power	Torque	Dyno Chart
2016-	Chevrolet Malibu	122 kW (163 hp) @ 5700 rpm	250 N⋅m (184 lb⋅ft) @ 2000-4000 rpm	dyno chart
2016-	Buick LaCrosse	126 kW (169 hp) @ 5600 rpm	250 N⋅m (184 lb⋅ft) @ 1700–4000 rpm
2016-	Buick Envision	126 kW (169 hp) @ 5600 rpm	250 N⋅m (184 lb⋅ft) @ 1700-4000 rpm	dyno chart
2018-	MG HS	121 kW (162 hp) @ 5600 rpm	250 N⋅m (184 lb⋅ft) @ 1700–4400 rpm
2020-	MG 5 LE	128 kW (171 hp) @ 5600 rpm	275 N⋅m (203 lb⋅ft) @ 1750-4000 rpm
2021-	MG 6 PRO	135 kW (181 hp) @ 5500 rpm	285 N⋅m (210 lb⋅ft) @ 1500–4000 rpm

LYX

The LYX is a direct-injection cast aluminum DOHC 1.5 L turbocharged SGE variant, with a 74 mm × 86.6 mm (2.91 in × 3.41 in) bore and stroke for a total capacity of 1,490 cc (1.5 L). Compression ratio is 10.0:1 and uses regular unleaded gasoline.

Year(s)	Model	Power	Torque
2018-	MG HS FFV	121 kW (162 hp) @ 5600 rpm	250 N⋅m (184 lb⋅ft) @ 1700–4400 rpm
2020-	MG HS PHEV	212 kW (284 hp) @ 5500 rpm	480 N⋅m (354 lb⋅ft) @ 1700–4300 rpm
2018-	Chevrolet Equinox	127 kW (170 hp) @ 5600 rpm	275 N⋅m (203 lb⋅ft) @ 2000–4000 rpm
2018-	GMC Terrain	127 kW (170 hp) @ 5600 rpm	275 N⋅m (203 lb⋅ft) @ 2000–4000 rpm

LSD

Opel Variants

Variant	# cylinder	Bore x stroke	Displacement	Aspiration	Compression Ratio	Power output	Torque	Applications	Years of production
B10XE	Inline-3	74 mm × 77.7 mm (2.91 in × 3.06 in)	999 cc (1.0 L)	Naturally aspirated Indirect injection	10.5:1	56 kW (75 hp) @ 6500 rpm	96 N⋅m (71 lb⋅ft) @ 4500 rpm	Opel Karl	from 03/2015
B10XFL		74 mm × 77.4 mm (2.91 in × 3.05 in)		Direct Injection turbo		67 kW (90 hp) @ 3700-6000 rpm	170 N⋅m (125 lb⋅ft) @ 1800-3700 rpm	Opel Adam 1.0 SGE	from 11/2014
						67 kW (90 hp) @ 3700-6000 rpm	170 N⋅m (125 lb⋅ft) @ 1800-3700 rpm	Opel Corsa E 1.0 SGE Turbo	from 11/2014
						78 kW (105 hp) @ 5000 rpm	170 N⋅m (125 lb⋅ft) @ 1800-4250 rpm	Opel Astra K 1.0 Turbo	from 07/2015
B10XFT						86 kW (115 hp) @ 5000-6000 rpm	170 N⋅m (125 lb⋅ft) @ 1800-4500 rpm	Opel Adam 1.0 SGE	from 11/2014
B10XFT						86 kW (115 hp) @ 5000-6000 rpm	170 N⋅m (125 lb⋅ft) @ 1800-4500 rpm	Opel Corsa E 1.0 SGE Turbo (115 CV)	from 11/2014
B14XE	Inline-4	74 mm × 81.3 mm (2.91 in × 3.20 in)	1,399 cc (1.4 L)	Naturally aspirated Indirect Injection	10.6:1	75 kW (101 hp) @ 6000 rpm	130 N⋅m (96 lb⋅ft) @ 4000 rpm	Opel Astra K 1.4 16v	from 07/2015
B14XFL				Direct Injection turbo	10.0:1	93 kW (125 hp) @ 4000-5600 rpm	245 N⋅m (181 lb⋅ft) @ 2000-3500 rpm	Opel Astra K 1.4 Turbo	from 07/2015
B14XFT					10.0:1	112 kW (150 hp) @ 5000-5600 rpm	245 N⋅m (181 lb⋅ft) @ 2000-3500 rpm	Opel Astra K 1.4 Turbo	from 07/2015
B15XFL		74 mm x 86.6 (2.91 in x 3.41 in)	1490 cc (1.5 L)		10.1:1	103 kW (140 hp) @ 5600 rpm	250 Nm (184 lbft) @ 2000-4100 rpm	Opel Insignia B 1.5 Turbo	from 06/2017
B15XFT		74 mm x 86.6 (2.91 in x 3.41 in)	1490 cc (1.5 L)		10.1:1	121 kW (165 hp) @ 5600 rpm	250 Nm (184 lbft) @ 2000-4500 rpm	Opel Insignia B 1.5 Turbo	from 06/2017

References

"Future Chevrolets to Benefit from Small Gas Engine Family". Media.gm.com. October 12, 2011. Retrieved May 29, 2012.
"General Motors Details New Modular I-3, I-4 Engines"
"Home | Media OPEL International". Media.opel.com. Retrieved September 13, 2019.
"Opel Expands Engine Production in Szentgotthárd, Hungary". Media.gm.com. September 21, 2010. Retrieved May 29, 2012.
Autonews: New Opel minicar set to debut small engine co-developed with China's SAIC
Loveday, Eric. "Official: 2016 Chevy Volt To Get 1.5-Liter, 4-Cylinder Range Extender". Inside EVs. Retrieved October 28, 2014.
"This is the MG GT for the Chinese car market". CarNewsChina.com. October 6, 2014. Retrieved September 13, 2019.
"Buick Introduces 2016 Encore Sport Touring". Media.gm.com. July 20, 2015. Retrieved September 13, 2019.
"GM Engine Original Equipment Manufacturer | GM Powertrain" (PDF). GM Powertrain. Retrieved January 27, 2020.

External links

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На других языках

- [en] GM small gasoline engine

[it] GM Small Gasoline Engine

Il nome GM Small Gasoline Engine, noto anche con la sigla SGE, identifica una famiglia di motore a combustione interna prodotti a partire dal 2014 dalla Casa automobilistica tedesca Opel, che lo ha sviluppato assieme alla Shanghai Automotive Industry Corporation nell'ambito della joint-venture PATAC. Non va fatta confusione con il motore Small Gasoline Engine con tecnologia Multiair prodotto dalla Fiat Powertrain Technologies.

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