Which is More Fuel-Efficient: Automatic or Manual Transmission?

1 Answers
AlyssaLee
07/29/25 12:50pm
Under the same vehicle model and driving skill level, manual transmission vehicles are more fuel-efficient. Better transmission efficiency: Manual transmission cars mostly use gearbox shifting, which has high mechanical transmission efficiency with minimal delay, resulting in very high output efficiency. In contrast, automatic transmissions primarily rely on transmission fluid to facilitate gear changes, making manual transmissions superior in terms of transmission efficiency. Lighter weight: The internal structure of a manual transmission is relatively simple, whereas automatic transmissions have a more complex internal structure with more components, making them significantly heavier than manual transmissions. Consequently, manual transmissions also consume less fuel. Automatic transmission cars are more convenient to operate compared to manual transmission cars, but their internal construction is more complex, leading to higher fuel consumption than manual transmission vehicles.
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