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Is a CVT Continuously Variable Transmission an Automatic Transmission?

2 Answers

DeAbigail

07/29/25 7:18am

CVT continuously variable transmissions are not necessarily automatic transmissions, as CVT transmissions can also be manual. Car transmissions can be divided into two main categories: manual transmissions and automatic transmissions, which correspond to manual and automatic gear shifts. Among automatic transmissions, they can be further subdivided into four types: AT (Automatic Transmission), AMT (Semi-Automatic Transmission), DTC (Dual-Clutch Transmission), and CVT (Continuously Variable Transmission). Advantages of CVT: Simple structure, compact size, and fewer parts, making the cost of mass production lower than that of conventional automatic transmissions; wide working ratio range, making it easier to achieve an ideal match with the engine, thereby improving the combustion process and reducing fuel consumption and emissions; high transmission efficiency, minimal power loss, and good fuel economy. Weaknesses of CVT Technology: For example, the transmission belt is prone to damage and cannot withstand heavy loads. These technical challenges have historically limited its application to small-displacement, low-power vehicles.

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AngelinaMarie

08/12/25 10:38am

From my understanding of automotive powertrains, CVT (Continuously Variable Transmission) is indeed a type of automatic transmission. Its working principle eliminates the need for manual gear shifting, instead using a steel belt and conical pulleys to automatically and continuously adjust the gear ratio, keeping the engine in its optimal state. While traditional automatic transmissions have fixed gear shifts, CVT provides smooth transitions, resulting in more comfortable driving and better fuel efficiency. I've studied common examples like those found in Nissan or Toyota hybrid vehicles – there's no jerking sensation during acceleration, and fuel consumption can be about 10% lower than manual transmissions. However, CVT requires attention to cooling system maintenance as overheating can affect its lifespan. Overall, it lets you focus solely on the accelerator and brake pedals without any mental effort, making it unquestionably an automatic transmission.

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