Medium Gasoline Engine (MGE) is a medium-displacement 4-cylinder gasoline engine developed by
Opel Automobile GmbH and marketed as '
SIDI
''Sidi'' or ''Sayidi'', also Sayyidi and Sayeedi, ( (dialectal) "milord") is an Arabic masculine title of respect. ''Sidi'' is used often to mean "saint" or "my master" in Maghrebi Arabic and Egyptian Arabic. Without the
first person possessiv ...
Ecotec Ecotec (capitalized ECOTEC, from "Emissions Control Optimization TEChnology") is a General Motors (GM) and Opel Automobile GmbH (Opel) trademark that refers to a series of emissions technologies that were implemented throughout a range of GM engines ...
'.
History
Production began in late 2012 at
Szentgotthárd
Szentgotthárd () is the westernmost town of Hungary. It is situated on the Rába River near the Austrian border.
History
The town took its name from, and grew up round, the Cistercian Szentgotthárd Abbey, founded here in 1183.
In 1664, it was ...
,
Hungary
Hungary is a landlocked country in Central Europe. Spanning much of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and ...
. The engine features
Start/Stop and reduces fuel consumption and CO
2 emissions by 13 percent comparing to the predecessor, while maintaining Euro 6 emissions standards.
A turbocharged ''Eco'' variant delivering @ 4250 rpm and @ 1650-4250 rpm (overboost ) has been introduced at
2012 Moscow International Automobile Salon (MIAS); a ''Performance'' version with maximum torque and peak power will also be available. Each version features unique turbine aerodynamic, and aggressive boost strategies improve low-end torque.
The high-performance
turbocharged
In an internal combustion engine, a turbocharger (also known as a turbo or a turbosupercharger) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake air, forcing more air into the ...
20A4E engine with central
direct injection has bore and stroke, with cylinder pressure of and compression ratio of 9.5:1 for ''Performance'' version and 10.5:1 for ''Eco'' version is developed and manufactured by Chinese Saic Motor company. It uses a grey cast-iron block with die-cast aluminum bedplate, aluminum cylinder head, chain-driven
DOHC
An overhead camshaft (OHC) engine is a piston engine in which the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combus ...
valvetrain with hydraulic tensioners,
dual continuous variable cam phasing, and
forged steel crankshaft
A crankshaft is a mechanical component used in a reciprocating engine, piston engine to convert the reciprocating motion into rotational motion. The crankshaft is a rotating Shaft (mechanical engineering), shaft containing one or more crankpins, ...
. The engine has twin
balance shaft
Balance shafts are used in piston engines to reduce vibration by cancelling out unbalanced dynamic forces. The counter balance shafts have eccentric weights and rotate in the opposite direction to each other, which generates a net vertical force ...
s and specially designed cam cover to improve
NVH, while optimized compressor geometry, acoustic resonators and overall air handling help reduce noise by 2
dB. Centrally placed injector allows optimal operation in both stratified and homogeneous charge ignition. Optimized
main bearing
A main bearing is a bearing in a piston engine which holds the crankshaft in place and allows it to rotate within the engine block.
The number of main bearings per engine varies between engines, often in accordance with the forces produced b ...
journal diameter, roller
cam follower
A cam follower, also known as a track follower, is a specialized type of roller or needle bearing designed to follow cam lobe profiles. Cam followers come in a vast array of different configurations, however the most defining characteristic is ...
s, and
PVD coated piston rings reduce friction.
Starting in 2013, the engine began to replace turbocharged 1.6 L
Family I Ecotec engine in Opel cars, and in 2014-2015 it will replace naturally aspirated 1.6 L and 1.8 L Family 1 engines in Chevrolet cars. Starting with 2020 model year, this engine is no longer available for the United States market, due to Buick Cascada and Chevrolet Malibu Hybrid being phased out because of low sales and high importation taxes from Europe.
Models
Applications
The ''Eco'' version of the engine (code A16XHT) is used in:
*2013
Opel Insignia
*2013
Opel Astra J
*2013
Opel Cascada
The Opel Cascada is a four-passenger fabric-roof convertible, manufactured and marketed by Opel across a single generation for model years 2013 through 2019, prioritizing year-round touring comfort over sportiness.
Nearly identical badge enginee ...
*2013
Opel Zafira Tourer
The ''Pro'' version of the engine (code A16SHT) is used in:
*2014
Opel Astra J
*2014
Opel Cascada
The Opel Cascada is a four-passenger fabric-roof convertible, manufactured and marketed by Opel across a single generation for model years 2013 through 2019, prioritizing year-round touring comfort over sportiness.
Nearly identical badge enginee ...
*2014
Opel Zafira Tourer
*2016
Buick Cascada (code LWC)
*2016
Opel Astra K
The ''Pro'' version of the engine (code B16SHT -
Euro 6) is used in:
*2018–present
Opel Astra K
*2018–present
Opel Insignia B
The LKN is used in:
* 2016 - 2019
Chevrolet Malibu Hybrid
* 2016 - 2018
Buick LaCrosse 30H
* 2016 - 2019
Buick Regal 30H
The 224 PS (165 kW) SAIC 20L4E (NetBlue) is used in:
*2014–present
Maxus G10 (LDV G10 Australia)
*2015–2019
MG GS
*2016–present
Roewe RX5
*2017–present
Maxus T60 (LDV T60 Australia)
*2018–present
Maxus D90 (LDV D90 Australia)
*2018–present
Roewe RX8
*2018–present
MG HS
The MG HS is a compact crossover SUV manufactured by Chinese automobile manufacturer SAIC Motor under the British MG marque. The vehicle was launched in 2018, replacing the MG GS. In MG's global line-up, the HS is positioned above the subcom ...
*2019–present
Maxus G20
*2019–present
Maxus T70
The 234 PS (172 kW) SAIC 20A4E (NetBlue) is used in:
*2020–present
Roewe iMAX8
The Roewe iMAX8 is a minivan produced by SAIC Motor under the Roewe marque since 2020. It was revealed in September 2020 at Auto China.
Overview Concepts
The Roewe iMAX8 was first previewed by the Vision-iM concept at Auto Guangzhou in November ...
*2022–present
Roewe RX9
*2023–present
MG7
References
External links
* http://gmpowertrain.com
* http://media.opel.com/content/autoshows/IAA_Frankfurt/2013/public/intl/en/opel/news.detail.html/content/Pages/news/intl/en/2013/opel/09-10-iaa-cascada-200-hp.html
{{DEFAULTSORT:Medium Gasoline Engine
General Motors engines
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