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Does GM make their own engines?

Yes, General Motors (GM) does manufacture its own engines. GM has a long history of designing and producing a wide range of engines for its various vehicle brands, including Chevrolet, Buick, GMC, and Cadillac.


GM's Engine Manufacturing Capabilities


GM operates several engine manufacturing facilities across the United States and globally, where they produce a diverse portfolio of engines to power their vehicles. These facilities utilize advanced manufacturing techniques and technologies to ensure the quality and reliability of GM's engines.


Some of the key facts about GM's engine manufacturing capabilities:



  • GM has 10 major engine and transmission manufacturing facilities located in the U.S., Canada, and Mexico.

  • These facilities produce a variety of engines, including V6, V8, and inline 4-cylinder engines, as well as diesel engines.

  • GM's engine lineup includes both naturally aspirated and turbocharged engines, catering to the diverse needs of their vehicle lineup.

  • The company invests heavily in research and development to continuously improve the performance, efficiency, and emissions of their engines.

  • GM's engines are designed to meet or exceed the latest regulatory standards for fuel economy and emissions.


By manufacturing their own engines, GM maintains greater control over the design, development, and production of these critical vehicle components. This allows the company to optimize engine performance, reliability, and cost-effectiveness to meet the needs of their customers.


Advantages of GM's In-House Engine Production


There are several key advantages that GM gains from producing its own engines:



  • Customization and Optimization: GM can tailor the engine design and specifications to the specific requirements of their vehicle models, ensuring optimal performance and efficiency.

  • Cost Savings: By manufacturing engines in-house, GM can achieve economies of scale and reduce the overall costs associated with engine procurement.

  • Quality Control: GM can maintain strict quality standards and implement rigorous testing procedures throughout the engine production process.

  • Faster Turnaround: In-house engine production allows GM to respond more quickly to changes in market demand or regulatory requirements.

  • Intellectual Property Protection: Producing engines in-house helps GM protect its proprietary engine technologies and intellectual property.


Overall, GM's ability to manufacture its own engines is a significant competitive advantage that allows the company to deliver high-quality, reliable, and efficient vehicles to its customers.

Is GM still making V8 engines?


Recently, GM made a commitment to keep building this backbone of performance for years to come. As Motor1.com reported, the $888 million investment made in the Tonawanda facility near Buffalo, New York, is to “develop a sixth-generation V-8 engine” by 2027.



Where are Chevy engines manufactured?


Chevy engines and their components are made in multiple facilities, primarily in the United States and Canada. Key locations include Tonawanda, New York, which builds various V8 and V6 engines; Spring Hill, Tennessee, which produces engines for trucks and SUVs; and the Romulus, Michigan plant, which makes HFV6 engines and 10-speed transmissions. Additionally, Bay City, Michigan produces engine components, and Bowling Green, Kentucky assembles certain high-performance engines for models like the Corvette.
 
United States

  • Tonawanda Engine, New York: Assembles various V6, V8, and V-8 engines, including the 5.3L V8 and 6.2L V8. 
  • Spring Hill Manufacturing, Tennessee: Produces engines for trucks and SUVs, including the 5.3L V8 and 6.2L V8. 
  • Romulus Engine, Michigan: Manufactures HFV6 engines and 10-speed transmissions for vehicles like the Chevrolet Camaro, Cadillac ATS, and GMC Acadia. 
  • Bedford Casting, Indiana: Produces engine blocks, cylinder heads, and other components. 
  • Bay City Powertrain, Michigan: Builds engine components such as connecting rods and camshafts. 
  • Bowling Green Assembly Plant, Kentucky: Assembles some high-performance engines, such as the LT4 V8 for the Corvette and Camaro ZL1, and the LT7 V8 for the Corvette ZR1. 

Canada
  • St. Catharines Propulsion, Ontario: Produces engines and components for GM vehicles. 



Who makes GM engines?


General Motors (GM) makes its own engines, both through its own divisions like the Tonawanda engine plant, and in cooperation with international partners. For example, the GM Small Gasoline Engine family was developed with partners including Adam Opel AG, SAIC, and others. GM also manufactures engines for specific brands like Chevrolet, Buick, GMC, and Cadillac. 
How GM makes its engines

  • Internal GM manufacturing: GM has its own facilities that build engines. 
    • The Tonawanda Engine Plant in Buffalo, NY, builds engines for GM trucks, SUVs, and the Chevrolet Corvette. 
    • SRC Automotive assembles crate engines for GM's Performance Parts Group. 
  • International partnerships: GM develops engines with global partners. 
    • The GM Small Gasoline Engine (SGE) family was developed in cooperation with partners including Adam Opel AG, SAIC, MG Motor, and the Pan-Asia Technical Automotive Center (PATAC). 
    • Other joint ventures, such as SAIC-GM, also produce engines for both the Chinese and global markets. 
  • Engine families: GM develops and manufactures different engine families for various applications. 
    • The LS-based small-block engines are a V8 and V6 family designed and manufactured by General Motors. 
    • The Family 0 engine was developed by Opel, a former subsidiary of General Motors, for use in subcompact cars. 

Where GM engine parts are made
  • Michigan: A plant in Wyoming, Michigan, produces precision-machined engine components for GM brands like Chevrolet, Buick, GMC, and Cadillac. 
  • Missouri: The 350 engine is machined and assembled in the USA with globally sourced parts. 



Which GM engines are made in China?


Facilities

NameCityCurrent products
SAIC-GM (Shenyang) Norsom Motors Co., Ltd.Shenyang, LiaoningChevrolet Tracker Buick GL8 Legacy (Mk II) Engines
SAIC-GM Wuhan BranchWuhan, HubeiChevrolet Equinox Chevrolet Monza Chevrolet Menlo Buick Verano Pro Buick Velite 6 Buick Electra E5 Cadillac Optiq Engines


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.