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What is the difference between a 7-speed dual-clutch and an 8-speed automatic manual transmission?

1 Answers

SanJasmine

07/30/25 7:03am

The differences between a 7-speed dual-clutch and an 8-speed automatic manual transmission are as follows: 1. The 7-speed dual-clutch is more fuel-efficient than the 8-speed automatic manual transmission. 2. The 7-speed dual-clutch shifts faster than the 8-speed automatic manual transmission. 3. The 8-speed automatic manual transmission has 8 levels of gear shifting, one more than the 7-speed dual-clutch's 7 levels. More details are as follows: 1. The 7-speed dual-clutch represents a transmission that can achieve 7 levels of gear shifting. The dual-clutch means that the clutch can engage and disengage simultaneously, primarily to make gear shifts smoother and reduce jerking. However, this may not be very noticeable in regular cars and is almost the same as an 8-speed automatic manual transmission, only becoming apparent in racing cars. 2. Compared to automatic transmissions, dual-clutch transmissions are more fuel-efficient. Theoretically, dual-clutch transmissions shift faster than automatic transmissions and offer better handling. 3. The 8-speed automatic manual transmission means the transmission has 8 levels of gear shifting. The automatic manual transmission combines manual and automatic transmissions, allowing the driver to choose between manual or automatic mode. In manual mode, since there is no clutch, it functions similarly to an AMT transmission, but the highest gear in manual mode is the 8th gear, while in automatic mode, it operates like an AT transmission.

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