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What does 8-speed continuously variable transmission mean?

2 Answers

LaNevaeh

08/29/25 7:41am

8-speed continuously variable transmission means a continuously variable transmission that can simulate 8 gears. Advantages and disadvantages of CVT continuously variable transmission: 1. Advantages: (1) The power output of CVT transmission is linear, making it very smooth in actual driving. (2) The mechanical efficiency and fuel economy of CVT transmission are significantly better than those of ordinary automatic transmissions, second only to manual transmissions, with much better fuel economy. 2. Disadvantages: (1) The maintenance cost of CVT is relatively high, and if not operated properly, the probability of problems is higher. (2) CVT transmissions can only bear limited torque, and ordinary CVT transmissions cannot withstand large loads, so they can only be used in small cars with displacements of about 1 liter to 1.5 liters.

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VanAnastasia

09/11/25 5:13am

To understand 8-speed continuously variable transmission (CVT), let's start with the gearbox itself. CVT doesn't have fixed gears; instead, it uses conical pulleys and a belt or chain to continuously adjust the gear ratio, keeping the engine always operating within its most efficient range. Traditional transmissions have fixed gears and may cause jerky shifts, while CVT delivers smooth, seamless acceleration like sliding down a slide. The '8-speed' designation is actually simulated - manufacturers create virtual gear steps in the CVT, allowing you to experience shift-like sensations in manual or sport modes for enhanced driving pleasure and control. The main advantage is improved fuel efficiency, as it eliminates energy waste during gear changes and maintains more stable engine RPM, especially beneficial in stop-and-go traffic or highway cruising. However, some drivers might miss the mechanical feedback of traditional transmissions. This design is commonly found in Japanese cars like Toyota or Honda, known for their reliability and relatively simple maintenance. With regular transmission fluid changes, CVTs can offer comparable longevity. In summary, 8-speed CVT represents an innovative solution that balances efficiency and driving experience in modern vehicles.

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