S-TEC or M-TEC is a low-displacement engine range co-developed by
Suzuki
is a Japan, Japanese multinational corporation headquartered in Minami-ku, Hamamatsu, Japan. Suzuki manufactures automobiles, motorcycles, All-terrain vehicle, all-terrain vehicles (ATVs), outboard motor, outboard marine engines, wheelchairs ...
and
Daewoo Motors
Daewoo Motors ( ) was a South Korean automotive company established in 1937 as "National Motors". The company changed its name several times until 1982 when it became "Daewoo Motors" following its acquisition by the Daewoo Group. After running ...
for use in micro and subcompact cars.
S-TEC
The first model was
SOHC
An overhead camshaft (OHC) engine is a piston engine where 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 combustion ch ...
straight-three engine
A straight-three engine (also called an inline-triple or inline-three) is a three-cylinder piston engine where cylinders are arranged in a line along a common crankshaft.
Less common than straight-four engines, straight-three engines have nonet ...
based on the powerplant of the
Suzuki Alto
The is a kei car produced by Suzuki since 1979. The model, currently in its ninth generation, was first introduced in 1979 and has been built in many countries worldwide. The Alto originated as a commercial vehicle derivative of the Fronte, b ...
.
In 2002, the range was extended to and
inline-four engine
A straight-four engine (also called an inline-four) is a four-cylinder Reciprocating engine, piston engine where cylinders are arranged in a line along a common crankshaft.
The vast majority of automotive four-cylinder engines use a straight-f ...
s 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
An economy is an area of the production, distribution and trade, as well as consumption of goods and services. In general, it is defined as a social domain that emphasize the practices, discourses, and material expressions associated with t ...
.
Applications:
*1991-2001
Daewoo Tico/Fino
*1998–present
Chevrolet/Daewoo Matiz
*
Chevrolet/Daewoo Kalos
S-TEC II
For 2008, a new version dubbed S-TEC II is introduced with the new
Chevrolet Aveo
The Chevrolet Aveo ( ) is a subcompact car ( B-segment) marketed by General Motors since 2002. Originally marketed as the Daewoo Kalos, takeover of Daewoo Motors by General Motors (GM) also saw the car being marketed under seven brands ( Chevrole ...
hatchback; new features include chain-driven 16-valve
DOHC
An overhead camshaft (OHC) engine is a piston engine where 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 combustion ch ...
valvetrain
A valvetrain or valve train is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine. The intake valves control the flow of air/fuel mixture (or air alone for direct-injected engines) ...
and
variable intake geometry. The 1.0 L version has been introduced with the 2010
Chevrolet Spark
The Chevrolet Spark ( ko, 쉐보레 스파크, translit=) is a city car manufactured by General Motors's subsidiary GM Korea from 1998 to 2022. The vehicle was initially developed by Daewoo and was introduced in 1998 as the Daewoo Matiz ( ko, ...
. 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
The Chevrolet Spark ( ko, 쉐보레 스파크, translit=) is a city car manufactured by General Motors's subsidiary GM Korea from 1998 to 2022. The vehicle was initially developed by Daewoo and was introduced in 1998 as the Daewoo Matiz ( ko, ...
.
Applications:
* 2008-2011
Chevrolet Aveo
The Chevrolet Aveo ( ) is a subcompact car ( B-segment) marketed by General Motors since 2002. Originally marketed as the Daewoo Kalos, takeover of Daewoo Motors by General Motors (GM) also saw the car being marketed under seven brands ( Chevrole ...
* 2010–present
Chevrolet Sail
* 2010–present
Chevrolet Beat/Spark
* 2018–present
Wuling Formo
* 2002-2012 Micro Privliege
S-TEC III
1.4 L applications:
*
Chevrolet Sail (second generation)
*
Chevrolet Sail (third generation)
* 2013-2015
Chevrolet Spin
The Chevrolet Spin is a mini MPV produced by General Motors under the Chevrolet marque. Developed by GM do Brasil, the vehicle replaced the Meriva and Zafira in South America with an option of two-row and three-row seating. It is produced in ...
*
Baojun 630
* 2013–2016
Chevrolet Lacetti
The Daewoo Lacetti is a compact car manufactured and marketed globally by GM Korea since 2002. The first-generation Lacetti was available as a four-door sedan and five-door station wagon, styled by Pininfarina—and five-door hatchback styled ...
/
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
The Chevrolet Cavalier is a line of compact cars produced by Chevrolet. Serving as the replacement of the Chevrolet Monza, the Cavalier was the second Chevrolet model line to adopt front-wheel drive. Three versions of the Cavalier have been s ...
* 2014–2020 Chevrolet Cruze Classic (China)
* 2014–2020 Chevrolet Cruze (China)
* 2021–present
Buick Velite 6 PHEV
NOTE: Some horsepower and torque number have small differences on different models.
See also
*
GM Family 1 engine
The Family 1 is a straight-four piston engine that was developed by Opel, a former subsidiary of General Motors and now a subsidiary of PSA Group, to replace the Opel cam-in-head engines for use on mid-range cars from Opel/Vauxhall. Originally p ...
(called E-TEC by Daewoo)
*
GM Small Gasoline Engine
*
GM Family 0 engine
References
{{DEFAULTSORT:Daewoo S-Tec Engine
Daewoo engines
Suzuki engines
Straight-three engines
Straight-four engines
Gasoline engines by model