General Motors (abbreviated GM) is the largest American automobile corporation, and was the world’s largest automobile manufacturer for 77 years until 2008. As of 2014, the company ranked third globally (after Toyota and Volkswagen) in terms of vehicle sales (9.92 million units). GM manufactures in 29 countries and sells in 192. The company is headquartered in Detroit.
The index of a specific gearbox always consists of four characters:
Specifications Gear ratios Installed on Disadvantages The General Motors AF50 8-speed automatic transmission has been produced at the Japanese plant since 2016 and is installed in front- and all-wheel-drive General Motors models such as the Opel Insignia and Buick Regal. This automatic transmission is essentially a variant of the popular Aisin TG-81SC.
Specifications Gear ratios Installed on Disadvantages The GM AF40 6-speed automatic transmission was produced in Japan from 2004 to 2019 and installed in many front-wheel drive and all-wheel drive General Motors models. This automatic transmission was essentially a variant of the popular Aisin TF-80SC.
Specifications Gear ratios Installed on Disadvantages The 5-speed automatic transmission GM AF33 was produced in Japan from 2001 to 2010 and existed in two versions: for a crossover such as the Opel Antara based on the Aisin AW55-51LE, as well as for a number of passenger car models based on the Aisin AW55-50SN.
Specifications Gear ratios Installed on Disadvantages The General Motors 5ET50 (MKV) hybrid automatic transmission was produced at the company’s factories from 2015 to 2019 and installed in the second-generation Chevrolet Volt and its Chinese modification, the Buick Velite 5. A separate version of this transmission was available for the Chevrolet Malibu 9 hybrid, designated MKE.
Specifications Gear ratios Installed on Disadvantages The General Motors 4ET50 (MKA) hybrid automatic transmission was produced at a US plant from 2010 to 2015 and installed in the Chevrolet Volt and Opel Ampera as part of their Voltec hybrid powertrain. A similar, but slightly more powerful, 4ET55 (MKD) transmission was installed in the Cadillac ELR.
Specifications Gear ratios Installed on Disadvantages The General Motors 4EL70 (MRD) hybrid automatic transmission was produced at the American plant from 2016 to 2018 and was installed exclusively in the Cadillac CT6 Plug-In Hybrid, paired with the 2.0-liter LTG turbo engine. This transmission is extremely rare, as this model was not widely produced.
Specifications Gear ratios Installed on Disadvantages The General Motors 2ML70 (AHS-T PRO M99) hybrid automatic transmission was produced by the company from 2008 to 2013, installed in SUVs, pickups based on the GMT 900 platform, BMW X6, Mercedes ML. The transmission is a hybrid of a four-speed AT and a pair of EVT (electric CVT).
Specifications Gear ratios Installed on Disadvantages The General Motors VT40 (MRG) continuously variable transmission has been produced by the American automaker since 2018 for front-wheel drive models based on the VSS-F platform, Chevrolet Malibu, Cruze. This transmission is designed for engines up to 250 Nm of torque and is known as the CVT250.
Specifications Gear ratios Installed on Disadvantages The General Motors VT25E continuously variable transmission was produced at a joint plant with Fiat from 2001 to 2005, was installed in the Saturn Vue crossover, Ion coupe, paired with the 2.2-liter L61 engine. This transmission is available in both the front-wheel drive M75 and all-wheel drive M16 versions.
Specifications Gear ratios Installed on Disadvantages The General Motors VT20E continuously variable transmission was assembled at a joint venture with Fiat in Hungary from 2002 to 2005 and was installed in select versions of the Opel Vectra, paired with the 1.8-liter Z18XE engine. Unlike its older sibling, this transmission was only available in front-wheel drive.
Specifications Gear ratios Installed on Disadvantages The GM-Allison 10L1000 10-speed automatic transmission has been produced since 2019 and is installed in rear-wheel drive pickup trucks under the MGM name, in all-wheel drive pickups under the MGU name. This transmission is also installed in the Chevrolet Silverado, GMC Sierra with the 6.6-liter Duramax V8 diesel engine.
Specifications Gear ratios Installed on Disadvantages The General Motors 10L90 10-speed automatic transmission has been produced in Michigan since 2017 and is installed in the most powerful models, such as the Chevrolet Camaro ZL1, Cadillac CT5-V, and Escalade-V. There are two different versions of this automatic transmission, designated MGL and MI4.
Specifications Gear ratios Installed on Disadvantages The General Motors 10L80 (MF6) 10-speed automatic transmission has only been produced since 2017 and is installed in the largest models, such as the Chevrolet Tahoe, Suburban, and Cadillac Escalade. This transmission was developed jointly with Ford and is known in its models under its own designation, the 10R80.
Specifications Gear ratios Installed on Disadvantages The General Motors 10L60 (MI1) 10-speed automatic transmission has only been produced since 2019, is used in rear-wheel drive vehicles on the Alpha 2 platform, such as the Cadillac CT4, Chevrolet Camaro. This transmission was developed jointly with Ford and is known in its models under the 10R60 designation.
Specifications Gear ratios Installed on Disadvantages The General Motors 9T65 9-speed automatic transmission (designated M3V and M3W) has been assembled since 2017 and is installed in popular models such as the Buick Enclave, Chevrolet Traverse, Cadillac XT5 and XT6. This automatic transmission is designed for transversely mounted V6 engines, such as the LGX or LFY.
Specifications Gear ratios Installed on Disadvantages The General Motors 9T60 9-speed automatic transmission (designated M3G and M3T) has been assembled since 2017 and is installed in the Buick Regal, LaCrosse, Holden Commodore with the 3.6-liter LGX engine. This transmission is also used in the Cadillac XT5 and Chevrolet Blazer with the 2.0-liter LSY turbo engine.
Specifications Gear ratios Installed on Disadvantages The General Motors 9T50 9-speed automatic transmission (codenamed M3D, M3E, M3H, M3F) has been produced since 2017 and is installed in popular models such as the Buick Envision, Chevrolet Malibu, Cadillac XT4. This transmission is paired with 2.0-liter LTG and LSY turbocharged engines and 1.6-liter LH7 diesel engine.
Specifications Gear ratios Installed on Disadvantages The General Motors 6L45 6-speed automatic transmission was produced in France from 2006 to 2015 and installed in many BMW models under its own designation, the GA6L45R. This automatic transmission, designated MYA, was also installed in the third-generation Cadillac ATS and CTS.
Specifications Gear ratios Installed on Disadvantages The General Motors 6T70 6-speed automatic transmission has been produced in the United States since 2007 and is used in front-wheel drive models as the M7W or in all-wheel drive models as the M7U. A rare MH2 modification is also available for the front-wheel drive Chevrolet Impala Limited PPV.
Specifications Gear ratios Installed on Disadvantages The General Motors 6T50 6-speed automatic transmission was produced from 2010 to 2019 and installed in front-wheel drive models under the MHK designation and all-wheel drive models under the MHJ designation. In some markets, this automatic transmission is best known as the Opel Antara and Chevrolet Captiva transmission.
Specifications Gear ratios Installed on Disadvantages The General Motors 6T45 6-speed automatic transmission was produced from 2008 to 2019 and installed in front-wheel drive models as the MH7 and all-wheel drive models as the MHC. In some markets, this automatic transmission is best known as the Chevrolet Captiva and Opel Antara automatic transmission.
Specifications Gear ratios Installed on Disadvantages The General Motors 6T40 6-speed automatic transmission has been assembled at the company’s plants since 2007 and is installed in front-wheel drive models designated MH8 and all-wheel drive models designated MHB. There is also a hybrid version, the MHH, and a Gen 3 modification designated MNH.
Specifications Gear ratios Installed on Disadvantages The General Motors 4T60E (or M13) 4-speed automatic transmission was produced from 1990 to 1998, was installed with both naturally aspirated V6 engines and the supercharged GM 3800 in the 4T60E HD version. It is best known as the transmission in the Pontiac Trans Sport, Cadillac DeVille, Chevrolet Lumina.
Specifications Gear ratios Installed on Disadvantages The General Motors 6T75 6-speed automatic transmission was produced from 2006 to 2017 and was installed in front-wheel drive crossovers under the M7V designation and in all-wheel drive crossovers under the M7X designation. This transmission is known under its own designation, the 6F50, in Ford, Mercury, and Lincoln vehicles.
Specifications Gear ratios Installed on Disadvantages The General Motors 4L65E (or M32) 4-speed automatic transmission was produced from 2001 to 2007 and was installed in particularly large and powerful models with V8 engines up to 6.0 liters. This automatic transmission is known from the Hummer H2, Cadillac Escalade, Chevrolet Silverado, and GMC Yukon.
Specifications Gear ratios Installed on Disadvantages The General Motors 4L60E, or M30, 4-speed automatic transmission was produced from 1991 to 2014 and was installed in high-performance sports cars and large SUVs with V6 and V8 engines. This automatic transmission is also found in the Chevrolet Tahoe, Suburban, Trailblazer, and many other models.
Specifications Gear ratios Installed on Disadvantages The General Motors 4L40E 4-speed automatic transmission was assembled in Strasbourg from 1998 to 2001 and installed in base versions of the BMW 3 Series E46 models under the designation A4S200R. This transmission is essentially a stripped-down version of the 5L40E 5-speed automatic.
Specifications Gear ratios Installed on Disadvantages The General Motors 4L30E 4-speed automatic transmission was produced in France from 1988 to 2004 and installed in many BMW models of its time under the designations A4S270R and A4S310R. This automatic transmission was also found in Opel vehicles and the Cadillac Catera under the designations AR25 and AR35.
Specifications Gear ratios Installed on Disadvantages The General Motors 6T35 (MNU) 6-speed automatic transmission has been in production since 2015 and is installed in popular models such as the Opel Astra K and the similar Chevrolet Cruze J400. This automatic transmission was a modification of the third-generation 6T40 transmission in the compact 6T30 housing.
Specifications Gear ratios Installed on Disadvantages The General Motors 4L70E (or M70) 4-speed automatic transmission was produced from 2005 to 2013 and was installed in rear-wheel drive/all-wheel drive models with powerful 5.3- and 6.0-liter V8 engines. This automatic transmission is familiar from the GMC Sierra, Chevrolet Silverado 1500, Trailblazer SS, and Saab 9-7X Aero.
Specifications Gear ratios Installed on Disadvantages The General Motors 4T80E (or MH1) 4-speed automatic transmission was produced from 1992 to 2011 and was installed in front-wheel drive models with the Northstar V8 and older L26 engines. This automatic transmission is known from the Cadillac DeVille, Buick Lucerne, Oldsmobile Aurora, and Pontiac Bonneville.
Specifications Gear ratios Installed on Disadvantages The General Motors 4T65E 4-speed automatic transmission was produced in Michigan from 1996 to 2008 and was installed in front-wheel drive models designated M15, MN3, and MN7 in the 4T65E-HD version. An all-wheel drive version, the M76, also existed, known as the Volvo XC90 automatic transmission.
Specifications Gear ratios Installed on Disadvantages The General Motors 9T45 (M3U) 9-speed automatic transmission has been produced since 2017 and is installed in popular models such as the GMC Terrain, Chevrolet Trailblazer, and Opel Astra. This automatic transmission is paired with the 1.5-liter LFV and LYX turbocharged engines, as well as the 1.5-liter LXD diesel.
Specifications Gear ratios Installed on Disadvantages The General Motors 8L90 (M5U) 8-speed automatic transmission has been produced in the United States since 2014 and is installed in popular models such as the Chevrolet Corvette, Camaro, Tahoe, and Cadillac Escalade. It is designed for rear- and all-wheel drive vehicles with particularly powerful engines.
Specifications Gear ratios Installed on Disadvantages The General Motors 8L45 8-speed automatic transmission has been produced in the US and Mexico since 2015 and is installed in rear-wheel drive models under the M5N designation, all-wheel drive models under the M5T designation. This automatic transmission is also known as the Cadillac CTS or Chevrolet Camaro transmission.
Specifications Gear ratios Installed on Disadvantages The General Motors 6L90 (MYD) 6-speed automatic transmission has been produced in USA since 2007 and is installed in the company’s largest models, such as the Chevrolet Suburban, Silverado HD, Express. This transmission is also installed in performance versions of cars, such as the Cadillac CTS-V and Camaro ZL1.
Specifications Gear ratios Installed on Disadvantages The General Motors 6L80 (MYC) 6-speed automatic transmission was produced from 2005 to 2021, was installed in popular SUVs and pickups such as the Chevrolet Tahoe, Silverado, and GMC Yukon. This transmission was also installed in a number of performance models, such as the Cadillac STS-V, and Corvette C6.
Specifications Gear ratios Installed on Disadvantages The General Motors 6L50 (MYB) 6-speed automatic transmission has been produced in the US since 2006 and is installed in the popular Chevrolet Trailblazer SUVs and Colorado and Canyon pickup trucks. The Punch Powerglide 6L50 automatic transmission is based on this transmission.
Specifications Gear ratios Installed on Disadvantages The General Motors 6T80 (or MHM) 6-speed automatic transmission was produced from 2012 to 2019 and was installed exclusively on the all-wheel-drive Cadillac XTS, designated Vsport. This automatic transmission is paired with the 3.6-liter twin-turbo LF3 engine and produces 500 Nm of torque.
Specifications Gear ratios Installed on Disadvantages The 3-speed automatic transmission General Motors 3L30 or TH180 was produced from 1969 to 1998 and was installed on rear-wheel drive models on the V and T platforms, as well as clones of the first Suzuki Vitara.
Specifications Gear ratios Installed on Disadvantages The General Motors 6T30 6-speed automatic transmission, in its MH9 modification, has been produced since 2008 and is installed in smaller models with low-power engines up to 1.8 liters. In some markets, this automatic transmission is best known as the transmission in the Chevrolet Cruze, Sonic, and Cobalt.
Specifications Gear ratios Installed on Disadvantages The General Motors 5L50E 5-speed automatic transmission was produced in France from 1998 to 2007 and installed in high-performance BMW models under the A5S390R designation. This automatic transmission, designated M22 and MV3, was also installed in the Cadillac XLR, STS, and the first SRX.
Specifications Gear ratios Installed on Disadvantages The General Motors 5L40E 5-speed automatic transmission was produced in Strasbourg from 1998 to 2009 and installed in many popular BMW models under its own designation, the A5S360R. This transmission, also known as the M82 and MX5, was also installed in the Cadillac CTS, STS, and the first SRX.
Specifications Gear ratios Installed on Disadvantages The General Motors 4L85E (or MN8) 4-speed automatic transmission was produced from 2000 to 2006 and was installed only with the 8.1-liter L18 V8 engine and the 6.5-liter Duramax V8 diesel. This automatic transmission is familiar from the Chevrolet Avalanche, Suburban, Express, and similar GMC models.
Specifications Gear ratios Installed on Disadvantages The 4-speed General Motors 4L80E (MT1) automatic transmission was produced from 1991 to 2014 and was installed with high-performance diesel engines and V8 powertrains up to the 7.4-liter L29. This automatic transmission is familiar from the Chevrolet Express, Suburban, as well as Bentley and Rolls-Royce models.
Specifications Gear ratios Installed on Disadvantages The General Motors 4T45E (or MN5) 4-speed automatic transmission was produced from 2003 to 2011 and was installed with both 4-cylinder and V6 engines up to 3.5 liters. This automatic transmission is best known as the automatic transmission in the Saturn Vue, Pontiac Grand Prix, and Chevrolet Malibu.
Specifications Gear ratios Installed on Disadvantages The General Motors 4T40E (or MN4) 4-speed automatic transmission was produced from 1994 to 2005 and was installed with both 4-cylinder and V6 engines up to 3.1 liters. In some countries, this automatic transmission is known as the Chevrolet Malibu, Pontiac Sunfire, and many Daewoo models.
Specifications Gear ratios Installed on Disadvantages The 3-speed General Motors 3T40, also known as the TH125 or M34, automatic transmission debuted in 1979, was installed on front-wheel-drive models. It was also known as the transmission found in older Opels. In 1982, a new version with a torque converter, designated the TH125C or MD9, was released.
