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What is the difference between AT and AMT transmissions?

2 Answers

StCora

07/24/25 8:59am

The differences between AT and AMT transmissions are: 1. Different transmission types: AT transmission stands for automatic transmission; AMT transmission stands for automated manual transmission. 2. Different components: AT transmission consists of a clutch, hydraulic automatic shift control system, planetary gear transmission, electronic control system, cooling, oil filtration device, and oil pump; AMT transmission consists of a dry clutch, gear transmission, and microcomputer-controlled automatic transmission system. 3. Different functions: AT transmission does not require a clutch for shifting; AMT transmission achieves shifting through an added microcomputer control system that automatically operates the system. 4. Different efficiencies: AT transmission requires a torque converter for power transmission, and its components operate immersed in oil, which creates a certain resistance, affecting efficiency; AMT transmission is a mechanical automatic transmission with minimal power loss and no oil resistance, resulting in high power transmission efficiency.

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LucilleLee

08/11/25 4:27am

I've been driving for twenty years and have used many automatic transmissions. The AT transmission feels incredibly smooth, especially in congested areas. It shifts gears automatically with a torque converter, requiring no input from you, offering a high level of driving comfort. However, the downside is slightly higher fuel consumption because the hydraulic system wastes some energy. AMT is different—it's essentially a manual transmission with an electric actuator added, controlled by a computer for clutch and gear shifting, making it more fuel-efficient and cost-effective. But it often has jerky starts and is prone to rolling back on slopes. I've tried driving an AMT car in the city, and the frequent gear shifts were quite uncomfortable. In comparison, although AT is more expensive, it's more worry-free in the long run. Many economy cars now opt for AMT to cut costs, but I still recommend prioritizing the smooth experience of AT.

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