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Is the GM 10-speed transmission an Allison?

No, the GM 10-speed transmission is not an Allison transmission. The 10-speed transmission used in various GM vehicles, including the Chevrolet Silverado and GMC Sierra, was developed by GM in partnership with Ford, and is not manufactured by Allison Transmission.


Explaining the GM 10-Speed Transmission


The GM 10-speed transmission is an automatic transmission that was first introduced in 2017. It was developed by GM and Ford as part of a joint venture to create a new high-performance transmission for their full-size trucks and SUVs. The 10-speed transmission is designed to provide improved fuel efficiency, acceleration, and towing capacity compared to previous GM and Ford transmission offerings.


Differences Between GM 10-Speed and Allison Transmissions


The key differences between the GM 10-speed transmission and Allison transmissions are:



  • Manufacturer: The GM 10-speed is manufactured by GM, while Allison transmissions are produced by the Allison Transmission company, a separate entity from GM.

  • Application: Allison transmissions are commonly used in heavy-duty trucks, buses, and other commercial vehicles, while the GM 10-speed is primarily found in light-duty and medium-duty GM trucks and SUVs.

  • Number of Gears: The GM 10-speed has 10 forward gears, while Allison transmissions typically have 6 or fewer gears.

  • Design: The GM 10-speed uses a more complex design with a wider gear ratio spread to improve efficiency and performance, while Allison transmissions are known for their rugged, reliable, and durable design.


In summary, while both are high-performance automatic transmissions, the GM 10-speed and Allison transmissions are distinct products manufactured by different companies for different applications.

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.