What is the difference between automatic transmission and manual transmission?

3 Answers
BarrettRose
07/29/25 6:12am
The differences between automatic transmission and manual transmission: Different principles: Manual transmission requires the driver to manually shift gears by moving the gear lever to change the gear engagement positions inside the transmission, thereby altering the gear ratio to achieve speed changes. Automatic transmission, on the other hand, allows the driver to control the accelerator pedal as needed during driving. The automatic transmission can automatically shift into different gears based on engine load and the vehicle's operating conditions, adjusting gear shifts according to vehicle speed and engine RPM. Different characteristics: Manual transmission offers stable performance, high transmission efficiency, and better fuel utilization. Automatic transmission provides convenient operation, flexible gear ratios, and comes in various types. Different transmission efficiency: Unlike manual transmission, which relies entirely on mechanical transmission, automatic transmission uses hydraulic transmission via a torque converter, leading to differences in working efficiency and directly resulting in variations in fuel consumption.
Was this review help?
14
3
Share
LaJasper
08/12/25 9:21pm
I've driven manual transmission cars for several years and feel they give you complete control—you have to operate the clutch and gear stick yourself, requiring precise coordination between your right foot and left hand when pressing the clutch and shifting gears. This makes me feel a deeper connection with the car, especially on mountain roads or when overtaking, where it feels more agile and free. Automatic transmissions are much more convenient; just shift into D and drive off, no need to constantly press the clutch in traffic, which is very handy, but it lacks that thrill of driving. In the long run, manuals might be a bit more fuel-efficient and cheaper to maintain, but automatics have improved too, like models with paddle shifters that retain some manual fun. Choosing which one depends on personal style: go manual if you like involvement, or automatic if you prefer simplicity.
Was this review help?
17
2
Share
Expand All
DiSienna
10/04/25 2:28am
As a daily commuting office worker, I prefer automatic transmissions because they make city driving in traffic jams effortless—no need to constantly think about shifting gears or pressing the clutch, just step on the accelerator or brake to make driving easier. Manual transmissions are more cumbersome, and beginners are prone to stalling, especially when starting on slopes. From an economic perspective, manual transmissions have a lower initial purchase cost and may offer slightly better fuel efficiency, but the convenience of automatics is a huge advantage in congested areas. Modern automatic transmissions paired with cruise control can also reduce driver fatigue. In summary, automatic transmissions suit those who prioritize efficiency and comfort, while manuals are more appealing to driving enthusiasts.
Was this review help?
17
5
Share
Expand All
More Forum Discussions

Is the Audi RS5 four-wheel drive?

The Audi RS5 is four-wheel drive. Here are the relevant details: 1. This car is equipped with a full-time four-wheel drive system and uses a crown gear differential. The Audi RS5 is a high-performance model from Audi's RS series, which represents the best handling and strongest performance in Audi's lineup. 2. The Audi RS5 is powered by a 2.9-liter twin-turbocharged engine. This 2.9-liter twin-turbocharged engine was developed in collaboration with Porsche. It produces 450 horsepower and a maximum torque of 600 Nm. The engine is paired with an 8-speed automatic transmission. 3. There are three types of four-wheel drive systems in cars: full-time four-wheel drive, part-time four-wheel drive, and on-demand four-wheel drive. Part-time four-wheel drive systems are typically found only in some rugged off-road vehicles, while ordinary four-wheel drive family cars use either on-demand or full-time four-wheel drive systems. Cars with on-demand four-wheel drive do not always have power to all four wheels; most of the time, they operate in two-wheel drive mode and only switch to four-wheel drive in certain special road conditions.
17
3
Share

What Causes Uneven Airflow in Car Air Conditioning?

Uneven airflow, where one side has stronger airflow than the other, may be caused by the evaporator on one side icing up. Here are some precautions for using car air conditioning: 1. Turn off A/C during startup and rapid acceleration: Since the air conditioning (non-independent type) consumes some engine power when turned on, it's best to turn off the A/C during vehicle startup and rapid acceleration, and then turn it on after the vehicle is moving. This prevents insufficient engine power during acceleration and startup while also saving fuel. 2. Avoid setting the air conditioning temperature too low: Many drivers prefer setting the temperature very low in summer, thinking it's more comfortable. However, this is a misconception because excessive temperature differences between inside and outside the car can easily lead to the driver catching a cold. Additionally, excessively low temperatures may increase the risk of arthritis for passengers. Normally, the cabin temperature should be 5°C to 6°C different from the outside temperature. 3. Adjust the air vent direction: Based on the principle that cold air sinks and hot air rises, when using the air conditioning, set the vents upward when cooling and downward when heating.
16
0
Share

Why does the subject one exam reservation show as not registered?

It indicates that the reservation for Subject One was unsuccessful. You can reapply for the reservation or bring your ID card to the driving school where you registered to inquire about the specific situation. It might be due to insufficient study hours for Subject One preventing normal registration for the exam, or it could be caused by network delays. Relevant information about Subject One is as follows: 1. Passing score for Subject One exam: The passing score is 90 points. The full score for the motor vehicle driver's license Subject One exam is 100 points, with each question worth one point. The exam randomly selects 100 questions from the question bank. If the number of incorrect answers reaches 11, the exam will be immediately judged as a failure, and the student must leave the examination room and prepare for the next attempt. 2. Subject One exam type: It mainly tests the laws and regulations of road traffic safety, theoretical knowledge of motor vehicle driving, common knowledge about the use of motor vehicles, and some local traffic laws and regulations. It is a theoretical simulation test for the motor vehicle driver's license. The exam format involves answering questions on a computer, and the question types consist of single-choice questions and true/false questions.
18
4
Share

How to Determine if the Fuel Injector is Faulty?

Symptoms of a faulty fuel injector are as follows: 1. Engine vibration. When the fuel injector is damaged and fuel injection is obstructed, the engine may exhibit operational vibrations during operation. 2. Decreased power and increased fuel consumption. As the fuel injector deteriorates, the fuel injection volume and pressure cannot be guaranteed, leading to symptoms such as reduced vehicle power and increased fuel consumption. 3. Increased exhaust emissions pollution. Malfunctions in the engine fuel injector will inevitably affect the mixing and combustion of the combustible gas mixture, resulting in increased pollutant emissions from the vehicle exhaust. 4. Difficulty starting or even stalling. When the fuel injector is severely damaged, the vehicle may experience difficulty starting and even sudden stalling while driving. 5. Engine misfire. If the fuel injector of an individual cylinder is severely damaged, the engine is highly likely to experience misfiring, leading to severe engine vibrations. 6. Black smoke from the exhaust. As the fuel injector fails, the atomization of fuel and its mixture with air cannot be ensured, preventing complete combustion of the combustible gas mixture. This results in black smoke from the vehicle and increased engine carbon deposits.
1
2
Share

Can I take the A1 driving test directly without a driver's license?

You cannot take the A1 driving test directly without a driver's license. The main reasons are: For the first application of a motor vehicle license, you can only apply for C1 (motor vehicles with fewer than 9 seats), B2 (large trucks), or A3 (city buses). To obtain an A1 license, you must upgrade step by step, meeting certain conditions such as having a certain amount of driving experience, no full-point records in 2 scoring cycles, and being at least 26 years old. Additional information: The following circumstances disqualify you from applying for a motor vehicle driver's license: 1. Suffering from organic heart disease, epilepsy, Meniere's disease, vertigo, hysteria, paralysis agitans, mental illness, or neurological diseases affecting limb movement that hinder safe driving; 2. Being addicted to drugs or long-term use of dependent psychotropic drugs without quitting; 3. Having your motor vehicle driver's license revoked for less than two years; 4. Having your motor vehicle driver's license revoked due to fleeing after causing a traffic accident; 5. Having your driving license legally revoked for less than three years, etc.
9
0
Share

What to Do When the Engine Makes Abnormal Noises While Driving?

If the engine makes abnormal noises while driving, it is recommended to promptly visit a 4S shop or a professional auto repair shop for inspection by maintenance personnel. Only by identifying the specific issue can targeted repairs be made. Abnormal engine noises in cars can be categorized into several types, such as noises during rapid acceleration, during cold starts, or at idle. Each situation requires distinct analysis. Common causes of abnormal engine noises include the following: 1. Engine knocking. The symptom is a "clanging" noise from the engine. Engine knocking is mainly caused by the impact between the piston skirt and the cylinder wall during engine operation, often due to poor lubrication conditions. The usual solution is to replace the engine's four matching parts. 2. Abnormal noises in the intake and exhaust systems. For example, intake manifold leaks may cause noises during idle operation, which intensify as the engine speed increases. 3. A "hissing" noise from the engine is likely due to issues in the cooling system, leading to engine overheating. 4. A "squeaking" noise from the engine, especially more noticeable when the air conditioning is on, is likely caused by slipping engine belts. 5. A "clicking" noise from the engine is likely due to carbon buildup. It is recommended to use higher-grade gasoline.
7
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.