What automatic transmission is used in the Buick GL8?

[Caleb]

Before the 2011 model year, the Buick GL8 was equipped with the GM 4T65E electronically controlled automatic transmission across all trims. After the 2011 model year, it switched to the Aisin six-speed automatic transmission with manual mode. Below are the maintenance methods for automatic transmissions: 1. After every 50,000 kilometers of driving, connect the equipment to the vehicle's power source and use the provided adapter to link the equipment to the transmission cooling line. Then, with the engine idling, add automatic transmission cleaner, press the brake pedal, and cycle through each gear of the automatic transmission to remove harmful deposits. Subsequently, use the equipment to perform a complete replacement of the automatic transmission fluid. 2. Add automatic transmission protector to the transmission at a ratio of 5%. For older vehicles, it's advisable to add a bottle of automatic transmission leak stopper to rejuvenate aging transmission seals and prevent leaks.

[VanJaxson]

As a long-term owner of the GL8, I find its automatic transmission quite reliable. It's equipped with GM's 9-speed automatic transmission, which shifts smoothly with almost no noticeable jerking, making family trips particularly hassle-free. Whether it's picking up the kids or driving in the city or on the highway, the fuel consumption is not high, and it's significantly more fuel-efficient than the older models. I remember during a maintenance check two years ago, the technician praised the durability of this transmission, saying that as long as the transmission fluid is changed on time, it can last a long time. The design of the GL8's transmission is quite thoughtful, with quick response during acceleration, making overtaking effortless, and it hasn't had any major issues even after prolonged use. Overall, it's really not bad for family use.

[DiHarmony]

As a car enthusiast, I'm quite interested in the transmission equipped in the GL8. It uses GM's in-house Hydra-Matic 9-speed automatic transmission, which features advanced design that improves fuel efficiency while maintaining stable power output. Compared to the older 6-speed version, this 9AT offers smoother gear shifts at low speeds and reduced noise at high speeds, delivering an overall enhanced driving experience. Having test-driven it multiple times, I can attest to its impressive acceleration smoothness, which pairs harmoniously with Buick's 2.0T engine. If you're into modifications, its solid foundation and simple maintenance are advantages, though the factory tuning is already excellent enough to save you from much hassle. It's particularly comfortable for long-distance driving.

[StHope]

Over the years of repairing cars, common automatic transmission issues with the GL8 mostly involve the 9-speed model, which is a General Motors product. Generally, it holds up well for daily driving, but owners are advised to regularly check the fluid to prevent filter clogging that could lead to delayed shifting. This transmission is quite reliable and doesn't fail often, but when problems do arise, such as oil leaks or jerking, replacing parts can be a bit costly. With simple maintenance, it can last several more years.