Can I keep using S gear on the highway?

[DiDavid]

It is not advisable to continuously use S gear on the highway as frequent use can accelerate transmission wear and affect its lifespan. S gear, commonly referred to as Sport mode, primarily alters the transmission's shifting logic to operate at higher RPM ranges, thereby increasing torque output. Precautions for highway driving: 1. Conduct a thorough vehicle inspection before driving; 2. Maintain a safe distance from large vehicles, avoid prolonged tailgating, and never drive side by side; 3. Do not occupy the emergency lane unless absolutely necessary; 4. Observe speed limit signs and control your speed; 5. Pay special attention to roadside barriers and avoid driving too close to them.

[CarmenDella]

As an experienced driver with years behind the wheel, I don't think using S gear on highways is a sustainable practice. S gear is essentially sport mode - it keeps the engine at higher RPMs for quicker acceleration, which does feel thrilling. But the problem is it guzzles fuel like crazy, increasing consumption by 20% or more. Prolonged use isn't good for the engine either, especially since highways rarely require frequent acceleration. I once drove from Hangzhou to Shanghai entirely in S mode - the fuel gauge dropped alarmingly fast, and the car had this unsettling vibration when I got home, almost like it was panting. Nowadays I'll switch to S gear briefly for overtaking or hill climbs when I want some excitement, but for normal cruising I switch back to D gear - much smoother and more economical. A car is like an old friend - you've got to take good care of it if you want it to last. Otherwise, repairs become both costly and troublesome.

[EmmettLee]

I often drive long distances, and using the S mode on the highway feels exhilarating—the throttle response is super quick, especially when accelerating to overtake on open stretches. But honestly, keeping it on all the time isn’t practical because this mode forces the transmission to stay in lower gears at higher RPMs, burning more fuel and accelerating engine wear over time. Once, I tried driving the entire Fujian highway in S mode, and my fuel consumption jumped by two liters per 100 km—my wallet definitely felt the pain. For everyday steady driving, D mode is more than enough—it’s fuel-efficient and quiet. Of course, if the road conditions are good and you’re in high spirits, playing with S mode for short bursts is fine, as long as it doesn’t compromise others’ safety.

[Dylan]

As a car enthusiast, I must say think twice before using S mode all the way on highways. The S mode is designed for temporary performance boost, making the car more responsive, but it increases engine load, fuel consumption, and component wear. On highways where speed is steady, there's no need to maintain high RPMs. I once drove a new car frequently in S mode on highways, and the transmission developed issues within a year. Safety first—highways have heavy traffic, and using S mode can lead to unintentional speeding and accidents. I recommend activating it only for overtaking or climbing hills, then switching back to D mode for peace of mind and fuel efficiency. Proper car maintenance ensures longevity.

[MacRiley]

I always pay attention to car operating costs, and honestly, using S mode on the highway isn't cost-effective. S mode stands for Sport mode, which keeps the engine running at high RPMs and burns fuel rapidly. For highway cruising, normal D mode is sufficient. Based on my comparison, my car consumes over 15% more fuel in S mode than in D mode on the highway, costing me dozens of yuan extra per tank. Prolonged use can lead to engine overheating and wear, piling up repair costs. I recommend switching to S mode only when rapid acceleration is needed, such as at highway entrances or for overtaking. Normally, D mode offers smooth and fuel-efficient driving, which is also better for the environment. The key to highway driving is arriving safely—don't push your beloved car for a bit of thrill.

[MacLyla]

After driving for a long time, I feel that using the S gear on the highway depends on the situation. It allows the car to accelerate quickly, making overtaking on the highway really enjoyable, but keeping it on consumes more fuel and puts a higher load on the engine, which is not suitable for long-distance cruising. I've tried mixing D gear and S gear on the highway—switching to S gear for overtaking and then immediately switching back—this way, I get the acceleration I need without wasting fuel. Don't use S gear the entire time to play with high RPMs, as it can easily cause the transmission to overheat or age prematurely. Especially in heavy traffic, sticking to D gear is safer and more worry-free. Maintaining your car well ensures it can accompany you for thousands of miles, so use the regular mode more often.