What does the S in automatic transmission mean?

[Boromir]

Automatic transmission S stands for the sport mode of a car, which can be used during aggressive driving or overtaking. More related information is as follows: 1. Almost every automatic transmission car has an S gear, and even if there is no S gear, there is a sport mode switch. 2. There are three common types of automatic transmissions in cars: AT transmission, CVT transmission, and DCT transmission. DCT transmission is a relatively popular automatic transmission, which is actually a dual-clutch transmission developed based on manual transmission. Its structure is similar to manual transmission, except that manual transmission has an additional set of clutch and gear shift control mechanism. 3. One set of clutch in the dual-clutch transmission controls the odd-numbered gears, while the other set controls the even-numbered gears.

[LaThomas]

I've been studying cars for many years, and the 'S' in automatic transmissions stands for Sport mode. When you shift to S gear, the transmission delays upshifting, keeping the engine in a higher RPM range for quicker and more powerful acceleration, which is especially useful for overtaking or climbing hills. However, frequent use increases fuel consumption and engine wear, so avoid it in city traffic jams. Sport mode also alters throttle mapping and suspension feedback, making driving more engaging, but avoid using it in rain or snow to prevent skidding. Technically, it relies on coordinated optimization between the ECU and TCU, a common feature in new cars that enhances driving experience diversity.

[VonCharles]

I usually drive to commute, and switching to S mode feels exhilarating! It's like injecting vitality into the car—just a light press on the accelerator gives a strong push-back sensation, with rapid acceleration and quick speed boosts, especially making lane changes and overtaking on the highway much smoother. It's not just about speed; the engine sound becomes more powerful, making driving more enjoyable. However, it's too fuel-consuming in the city, so I generally only use it when cruising in the suburbs. It's suitable when road conditions are good, but be careful with sharp turns or rainy days, as tires can lose control easily. Balancing fuel efficiency and fun is key for daily driving, and the S mode is worth trying occasionally for some excitement.

[JordanLynn]

After years of driving, I remind everyone that Sport mode is not a universal solution. It can enhance acceleration performance, but high RPMs increase fuel consumption and may cause excessive engine load, shortening component lifespan. Be especially cautious with older vehicles—I only activate it during uphill climbs or emergency overtaking. Avoid using it in complex road conditions like heavy traffic; safety comes first. Balanced driving habits can extend your car's lifespan, and regularly checking engine oil and tire conditions is equally important.