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Is a Manual-Automatic Transmission More Fuel-Consuming Than a Manual Transmission?

1 Answers

OKai

07/29/25 3:47pm

With the same driving skills and the same car model, a manual-automatic transmission consumes more fuel than a manual transmission. The related introduction of manual-automatic transmission is as follows: Introduction to Manual-Automatic Transmission: In a manual-automatic transmission vehicle, when shifting from the automatic D gear to the M gear, the clutch or brake used for a specific gear remains fixed. For example, in a 6AT transmission driving in D gear at 3rd gear, switching to M gear keeps the transmission in 3rd gear. While driving in 3rd gear, the two clutches 35R and UD inside the transmission remain engaged, keeping the transmission fixed in 3rd gear. Principle of Manual-Automatic Transmission: When the driver shifts from D gear to M gear, it does not involve switching between different gear clutches but only changes the transmission control logic. The transmission remains in a specific gear, and the TCU cannot shift gears automatically; instead, the driver must shift gears manually. If the driver wants to drive in a lower gear, the engine speed increases significantly, enhancing the vehicle's acceleration capability. If the driver prefers to drive in a higher gear, the engine speed remains lower, making the vehicle more fuel-efficient and providing a more comfortable ride.

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