Daewoo S-TEC engine

S-TEC or M-TEC is a low-displacement engine range co-developed by Suzuki and Daewoo Motors for use in micro and subcompact cars. The original version was a license-built version of the Suzuki F8B engine; later generations were derived from the original design in South Korea.

S-TEC

The first model was Template:Convert SOHC straight-three engine based on the powertrain of the Suzuki Alto.

In 2002, the range was extended to Template:Convert and Template:Convert inline-four engines and updated with EGR valve to reduce emission. A new engine plant for the updated model T4 was built. The 1.0 version is used in Chevrolet Matiz and the 1.2 in the European Chevrolet Kalos.

In 2004 the 0.8 and 1.0 engines were updated again. New intake and exhaust systems, along with low-friction aluminum cam followers with rollers were added, resulting in better economy.

Cylinders	Displacement	Bore	Stroke	Compression Ratio	Power	Torque
I3	Template:Convert	Template:Convert	Template:Convert		Template:Convert at 6000 rpm	Template:Convert at 4000 rpm
I4	Template:Convert		Template:Convert	9.3:1	Template:Convert at 5400 rpm	Template:Convert at 4200 rpm
I4	Template:Convert		Template:Convert		Template:Convert at 5400 rpm	Template:Convert at 4400 rpm

Applications:

• 1991-2001 Daewoo Tico/Fino
• 1998–present Chevrolet/Daewoo Matiz
• Chevrolet/Daewoo Kalos

S-TEC II

For 2008, a new Template:Convert version dubbed S-TEC II is introduced with the new Chevrolet Aveo hatchback; new features include chain-driven 16-valve DOHC valvetrain and variable intake geometry. The 1.0 L version has been introduced with the 2010 Chevrolet Spark. A 1.2 L LPG/gasoline version was developed exclusively for the India market; called SMARTECH II and used in the 2010 Chevrolet Beat. Introduced in 2013, the 1.2 L version is available in the United States version of the Chevrolet Spark.

Name	Displacement	Bore	Stroke	Compression Ratio	Power	Torque
	Template:Convert	Template:Convert	Template:Convert	9.8:1	Template:Convert at 6400 rpm	Template:Convert at 4800 rpm
LMU	Template:Convert	Template:Convert	Template:Convert	10.5:1	Template:Convert at 6000 rpm	Template:Convert at 3800-4400 rpm
LKY	1.2 L			9.8:1	Template:Convert at 6400 rpm	Template:Convert at 4800 rpm
	Template:Convert				Template:Ubl	Template:Ubl
LL0	Template:Convert	Template:Convert	Template:Convert	10.5:1	Template:Convert at 6400 rpm	Template:Convert at 6400 rpm

Applications:

• 2008-2011 Chevrolet Aveo
• 2010–present Chevrolet Sail
• 2010–2022 Chevrolet Beat/Spark
• 2018–present Wuling Formo<ref>{{#invoke:citation/CS1|citation

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• 2002-2012 Micro Privliege

S-TEC III

Name	Displacement	Bore	Stroke	Compression Ratio	Power	Torque
LCU	Template:Convert			10.2:1	Template:Convert at 6000 rpm	Template:Convert at 4200 rpm
L2B	Template:Convert	Template:Convert	Template:Convert	10.2:1	Template:Convert at 6000 rpm	Template:Convert at 3800 rpm
LJO	Template:Convert T	Template:Convert	Template:Convert	9.8:1	Template:Convert at 5500 rpm	Template:Convert at 2000-3800 rpm

1.4 L applications:

• Chevrolet Sail (second generation)

• Chevrolet Sail (third generation)
• 2013-2015 Chevrolet Spin
• Baojun 630
• 2013–2016 Chevrolet Lacetti/Buick Excelle (first generation)
• 2016–present Buick Excelle (second generation)
• Wuling Rongguang
• Wuling Hongguang V (later Rongguang V)
• Wuling Hongguang
• Wuling Hongguang S
• Wuling Hongguang S1/Confero S/Formo
• Wuling Zhengcheng
• Wuling Victory
• Buick Verano (second generation, China)
• Baojun 310/310W
• Baojun 330
• Baojun 610/630
• Baojun 730/Wuling Cortez CT
• Baojun 510
• Baojun 530/Wuling Almaz/Chevrolet Captiva/MG Hector
• Chevrolet Lova RV
• 2017–present Chevrolet Cavalier
• 2014–2020 Chevrolet Cruze Classic (China)
• 2014–2020 Chevrolet Cruze (China)
• 2021–present Buick Velite 6 PHEV
• 2012-present Chevrolet Cobalt (Uzbekistan)Template:Hidden end

NOTE: Some horsepower and torque number have small differences on different models.

See also

• GM Family 1 engine (called E-TEC by Daewoo)
• GM Small Gasoline Engine
• GM Family 0 engine