What does the S gear in a car mean?
2 Answers
The S gear in a car refers to the sport mode. In S gear sport mode, the transmission can shift freely, but the shifting timing is delayed, keeping the engine at high RPM for a longer period. This allows the car to operate at high speeds in lower gears for an extended time, resulting in greater torque output and acceleration. While driving, you can directly shift the gear lever into S gear, which is typically used for climbing hills or quick overtaking. For cars frequently driven in congested urban areas, using the S gear periodically and appropriately helps remove carbon deposits from the engine, improve fuel economy, and extend the engine's lifespan.
When it comes to the S gear in cars, after driving for over a decade, I can say it essentially means Sport mode. I rarely use it during daily city commutes because it increases fuel consumption, making it more suitable for highway overtaking or climbing steep slopes. For instance, once on the highway when I wanted to pass a large truck, shifting to S gear raised the engine RPM, and the acceleration was swift—zooming past in no time. It’s also practical on uphill sections, preventing frequent gear shifts and ensuring more stable power output. However, I remind myself not to overuse it, as it can burden the engine, potentially causing overheating, and wastes gasoline. If the car club organizes mountain drives, I specifically engage S mode for fun—the exhilarating push-back feeling is truly thrilling. Overall, S gear is designed for aggressive driving; for everyday use, D gear is worry-free and economical.