The 8L90 transmission is a General Motors (GM) automatic transmission that was introduced in 2015. It is primarily used in high-performance vehicles and trucks. Here are some of the vehicles that use the 8L90 transmission:

• Chevrolet Camaro ZL1
• Chevrolet Corvette Stingray, Grand Sport, and Z06
• Cadillac Escalade
• Cadillac CT6
• GMC Yukon Denali
• GMC Sierra 1500 Denali
• GMC Sierra HD Denali

It's worth noting that not all models of these vehicles come with the 8L90 transmission, so it's important to check the specifications of the specific vehicle you're interested in.

Although similar in nature, the 6L80, 8L90, and 10R90 have different applications from the GM factory: 

The 6L80, 8L90, and 10R90 are all automatic transmissions used in General Motors (GM) vehicles, but they have some differences. Here are some of the main differences:

1. Gear ratios: The gear ratios of the transmissions are different. The 6L80 has a lower first gear ratio than the 8L90 and 10R90, which makes it better for heavy towing and acceleration. The 8L90 and 10R90 have more gears, which provides smoother shifting and better fuel efficiency.
2. Number of gears: The 6L80 has six gears, the 8L90 has eight gears, and the 10R90 has ten gears. The more gears a transmission has, the smoother the shifting is, and the better the fuel efficiency can be.
3. Torque capacity: The 8L90 and 10R90 have a higher torque capacity than the 6L80. The 8L90 can handle up to 800 lb-ft of torque, while the 10R90 can handle up to 1,000 lb-ft of torque. The 6L80, on the other hand, can handle up to 650 lb-ft of torque.
4. Vehicle applications: The 6L80 is used in a wide range of GM vehicles, including the Cadillac Escalade, Chevrolet Camaro, and Chevrolet Silverado. The 8L90 is primarily used in high-performance vehicles, such as the Chevrolet Corvette and Cadillac CT6. The 10R90 is used in some of the most high-performance GM vehicles, such as the Chevrolet Camaro ZL1 and the Cadillac CTS-V.

Overall, the main differences between these transmissions are the number of gears, gear ratios, torque capacity, and vehicle applications. The 6L80 is better suited for heavy-duty applications, while the 8L90 and 10R90 provide smoother shifting and better fuel efficiency.

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