What Is A Dual-Clutch Transmission?

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A dual-clutch transmission (DCT) is a common feature on modern cars. It is a variation of an automatic transmission with the functionality of a manual.

On a manual car, pressing the clutch disengages the engine from the transmission to allow for a gear change. For inexperienced drivers, the transition can be jerky (known as “shift shock”) rather than smooth due to the interrupted power flow.

A DCT is an innovation which combats this by having two separate computer-controlled clutches that operate odd and even gear sets. This technology means that the next gear is always ready to be engaged, allowing for quicker and seamless shifting and faster acceleration.

The benefits of a DCT include better fuel economy due to an interrupted flow of power that occurs with a manual transmission.

Cars with a dual-clutch transmission can be operated in a similar fashion to automatic cars, however some can be controlled in a manual mode with paddle shifters.

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