What is the minimum speed for a car in second gear?

[MacColin]

Generally, the suitable speed range for small cars in second gear is 20km/h to 35km/h. Definition of automobile: A motor vehicle with four or more wheels, not running on rails, mainly used for: transporting people and/or goods; towing vehicles carrying people and/or goods; special purposes. Gear: Generally refers to "mode switching, power or rate adjustment" between containers, commonly used in household appliances, digital products, motor vehicles, etc. The term "gear" is more commonly used in daily life, but it's also the most frequently misspelled word. Many people have cognitive errors and habitually write "gear" as "file".

[VonMicah]

Having driven manual transmission cars for so many years, I've found there's quite an art to the minimum speed in second gear. For most compact cars under 1.6L, it's usually around 10 to 15 km/h - any slower and the car starts shaking like it's about to stall. When I drove an old Volkswagen model, I once tried slowing down to 12 km/h in heavy city traffic. The RPM dropped below 1000, and immediately there was this sputtering sound, so I quickly gave it some gas to recover. This actually relates to engine design - when moving too slowly, there's insufficient air intake, leading to incomplete combustion and instability. I'd recommend beginners maintain at least 15 km/h in second gear when starting out, and with more practice, they'll develop better timing for downshifting. Extra caution is needed for hill starts - keeping speed too low risks rolling back and accidents. The safest approach is understanding your car's characteristics, and using a mobile app to measure actual performance data can be quite helpful.

[LeAurora]

The minimum speed in second gear involves simple mechanical principles, but it's not complicated. If the engine speed is too low, it's prone to stalling because the fuel mixture isn't uniform enough. For most small cars, this critical point is around 10 to 20 kilometers per hour. It depends on the engine displacement: for low-displacement engines like 1.0L, it's advisable not to go below 10 km/h; larger engines might handle 15 km/h without issue. Having driven various manual transmission cars, I always remember to keep the RPM around 1500 for stability. Driving at too low a speed also causes wear on the transmission, accelerating component aging over time. I recommend testing your car before driving: find an empty road and gradually slow down to observe when it starts to shake, which helps you accurately determine the limit. Don't underestimate this detail—it affects smooth driving and fuel efficiency. Mastering it significantly improves overall driving feel.

[Aria]

As a newbie just learning to drive, I've had trouble with the minimum speed in second gear. My instructor warned against driving too slow, but when I tried it on a small road and the speed dropped below 20 km/h in second gear, the car jerked violently as if it was about to stall, leaving me scrambling to hit the gas. A friend suggested that beginners should maintain at least 15 km/h, and with experience, you'll naturally get used to matching the revs. Now I understand each car is different—small displacement cars are more sensitive. It's safer to keep an eye on the speedometer when starting and gradually learn to feel that critical point.