The models are updated, and the "equipment" is also endless. The "transmission" alone is enough for people to choose for a long time. They want to pick the "fuel-efficient" car, manual, automatic, CVT (CVT), but all claim to save fuel! Who is more fuel efficient? Analyze it and you will know!
Manual gearboxIn the beginning, the car used a manual gearbox. Its history is very long. Usually we also call the manual gearbox manual. Manual gear, mainly rely on manual adjustment of the shift lever, change the way the gears in the transmission are engaged, change the transmission ratio, in order to achieve the purpose of shifting.
At the time of shifting, we need to step on the clutch and then move the shift lever. If the driver's skills are good, not only in terms of acceleration and overtaking, it will be faster than automatic transmission, and it is also very superior in fuel economy. Generally speaking, the people who drive the car now are old drivers or those who are driving a sense of control. Manual gear is still a plus for the novice.
automatic transmissionAt present, the most used and longer-lasting automatic transmission is the automatic transmission. The automatic transmission uses planetary gears for shifting, and actively shifts according to the depth of the accelerator pedal and the speed of the vehicle. Of course, the types of transmissions are also divided into several types: hydraulic transmissions, hydraulic transmissions, and electric drive active transmissions. Most of our family cars are equipped with hydraulic active transmissions.
Because it relies on the computer to judge the depth and speed of the throttle and then change the gear, the timing and speed of the shift are not as good as the manual transmission. Therefore, the fuel consumption is generally about 1L higher than the hand block.
CVT continuously variable transmissionSome people say that the CVT is a more advanced automatic gear. The continuously variable transmission is composed of two sets of shifting discs and one belt. This type of transmission is simpler in structure and smaller in size than the automatic transmission, and can change the transmission ratio more flexibly. In this case, the movement of the vehicle will be smoother and there will be no feeling of "falling". This type of gearbox also serves the problem of high throttle response speed and high fuel consumption of the automatic transmission.
To say that fuel economy, the CVT can be said to be the best gearbox. Because it adopts new and more advanced technology, it can use fuel more effectively and improve the transmission ratio. Therefore, it is possible to save 5%-15% of the oil than the automatic transmission.
Fundamentally, the high-speed manual transmission model is actually the most fuel-efficient. Automatic gearboxes with poor shifting logic are more expensive. The CVT transmission stood out in this comparison, and the fuel consumption and manual transmission models were not much different. Even some CVT vehicles can save 0.5L or more of oil than manual transmission models.
The power of the engine is transmitted through the gearbox, which is also a key indicator of fuel consumption. In general, automatic transmissions consume more than 10% more fuel than manual transmissions. In general, no matter the manual or automatic transmission, the more gears, the more fuel-efficient.
In general, the manual gear is more fuel efficient than the automatic gear, and the stepless speed change is more fuel efficient than the normal automatic gear. However, if it is a woman, an old man or a frequent road in a crowded city, it is necessary to change the road. Jiangnan brother suggests that it is best to choose automatic transmission. If you are a male driver or a pleasure to drive and drive yourself, then choose a manual gear. Specifically, it is necessary to choose according to the driving environment and its own capabilities and needs.
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