What is the difference between D gear and S gear in a car?

[VanElle]

The following are the differences between D gear and S gear: 1. D gear stands for Drive gear, which is present in all automatic transmission vehicles. After shifting into D gear, the vehicle's computer will shift gears according to the preset program. S gear is the Sport mode, where the computer's shifting logic changes, delaying upshifts to provide stronger power. 2. The advantage of D gear is that it is more fuel-efficient compared to S gear, but the downside is that it offers less power and is not as responsive. The advantage of S gear is better vehicle performance, while the disadvantage is poorer fuel economy. It is suitable for use during overtaking or climbing hills.

[VanLogan]

Speaking of the difference between D mode and S mode, as a veteran driver with over a decade of experience, I think this is quite crucial. D mode stands for Drive mode, which is most commonly used for daily commuting. It automatically adjusts gears based on vehicle speed and throttle input, keeping the RPM lower, ensuring smooth gear shifts and better fuel efficiency. It's ideal for stop-and-go city driving or highway cruising. S mode refers to Sport mode. When switched to this mode, the transmission delays gear shifts, allowing the engine to rev much higher, resulting in quicker acceleration and more responsive performance, which is great for overtaking or climbing hills. However, the downside is that S mode significantly increases fuel consumption and puts more load on the engine, accelerating wear and tear, so it's best not to use it unnecessarily. For 90% of daily driving situations, D mode is sufficient, and beginners especially should start with D mode to safely adapt. It's recommended to regularly check the transmission fluid to maintain system health.

[DeDiana]

The choice between D and S gears significantly impacts the driving experience. Having driven for five years, I use D gear most frequently in daily driving, as the automatic shifting is worry-free, comfortable, with lower RPM and better fuel efficiency. On the other hand, S gear (sport mode) offers a distinct feel—shifts occur later, the engine roars, and acceleration becomes more spirited, making it ideal for passionate driving scenarios like mountain roads or urgent overtaking. However, avoid overuse as high RPM doubles fuel consumption, increases engine overheating risks, and may compromise safety. In urban areas, sticking to D gear saves time and effort. For maintenance, never overlook oil change intervals to ensure transmission durability.

[SanJohnny]

D mode is great for daily driving, with early gear shifts, stable RPM, fuel efficiency, and smoothness. S mode is more sporty, with delayed gear shifts, higher RPM, stronger explosive power, more fun and excitement. Don't use S mode frequently because it consumes more fuel and may harm the car. D mode is safer for commuting.