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What are the differences among DCT, CVT, and AT?

1 Answers

McMartin

07/29/25 5:58pm

The differences among DCT, CVT, and AT are as follows: 1. Advantages of AT: Smooth operation, combined with driving pleasure, stable quality, compact size, and wide transmission range; Disadvantages: Complex structure, high cost, difficult mechanical manufacturing, and generally lower efficiency compared to DCT. 2. Advantages of DCT: Close to all functions of AT, excellent driving pleasure, moderate cost, direct power delivery, and higher efficiency; Disadvantages: Slightly inferior low-speed smoothness compared to AT, but significant improvements have been made (DCT from 2010-2012 Volkswagen and 2017 Volkswagen feel completely different). Currently, reliability issues still deserve attention, and the size is relatively large. 3. Advantages of CVT: Affordable, excellent smoothness, compact size, and simple structure; Disadvantages: Insufficient transmission ratio range, fuel efficiency is only theoretical, requiring a more powerful hydraulic pump which offsets the theoretical fuel-saving advantage of CVT, and low torque capacity.

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