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What Transmission Does the Regal Use?

2 Answers

CarsonMarie

07/29/25 2:42pm

Regal transmission brand is the 9-speed HYDRA-MATIC intelligent transmission. More information about the transmission is as follows: 1. The transmission mainly refers to the car's gearbox, which is divided into manual and automatic types. 2. The manual transmission mainly consists of gears and shafts, achieving speed and torque variation through different gear combinations, requiring the driver to use shift control. 3. The automatic transmission (AT) is composed of a torque converter, planetary gears, a hydraulic torque variation system, and a hydraulic control system. It achieves speed and torque variation through hydraulic transmission and gear combinations. When the driver engages the drive gear and releases the brake, the vehicle moves slowly. 4. The 9-speed HYDRA-MATIC intelligent transmission equipped in the Regal utilizes over 60 General Motors patented technologies, including a newly designed selectable one-way clutch, torque converter, start-stop hydraulic accumulator, external TCM control module, and a coaxial design that gives it a compact size comparable to a 6AT. 6. It features a compact structure and efficient transmission. The nine forward gears have a dense and reasonable gear ratio distribution, with an overall gear ratio range reaching a broad 7.6:1. Along with the setting of two overdrive gears, it can significantly reduce engine speed during high-speed cruising, improving fuel efficiency.

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LeilaLynn

08/13/25 7:09am

I've studied the Buick Regal for a while. Its transmission depends on the model year and engine displacement. The entry-level 1.5T models from previous years used a 6AT - decent durability but average smoothness. Later, the entire lineup switched to the 9AT, specifically the Hydra-Matic 9T50 jointly developed by GM and Ford. The upshifts are incredibly smooth, especially on highways where it keeps RPMs remarkably low. The 2.0T version also gets the same 9AT, though I've driven a friend's older Regal GS with the 6AT that felt slightly sluggish during aggressive downshifts. My advice? Always check whether it's the 6AT or 9AT when buying a used Regal - they deliver completely different driving experiences.

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