What is the function of torque?

[AylaFitz]

Torque is a special moment that causes an object to rotate, equal to the product of force and the moment arm. In the field of engines, it refers to the moment output from the crankshaft end of the engine. The relationship between torque and the engine: The maximum torque of an engine is related to the design of the engine's intake system, fuel supply system, and ignition system. At a certain speed, when the performance of these systems is optimally matched, the maximum torque can be achieved. Additionally, the engine's power, torque, and speed are interrelated. Torque levels: Currently, the torque levels indicated on the tail badges are divided into five levels: 180, 230, 280, 330, and 380.

[LaJudah]

Torque, simply put, is the rotational force generated by the car's engine. Its primary function is to get the vehicle moving from a standstill and provide strong acceleration, especially when climbing hills. With over 20 years of driving experience, I can say that cars with high torque respond incredibly quickly at startup—it feels like the car leaps forward as soon as you press the gas pedal, making overtaking or climbing steep slopes effortless. Additionally, it enables towing heavy loads, such as trailers or boats, without stalling, ensuring safe driving. Many urban SUVs now emphasize this parameter because frequent stops and starts at city traffic lights require strong torque to handle the situation smoothly. Daily fuel consumption is also affected by torque—better torque allows the engine to operate efficiently at low speeds, avoiding the need to rev high and waste fuel. In short, torque makes driving smoother, safer, and more reliable. I recommend paying close attention to torque values when buying a car, especially for those who frequently drive on mountainous roads.

[MacDerek]

Torque is the key to acceleration pleasure for me. I've driven many sports cars, and those with ample engine torque deliver an incredibly fierce low-speed response. Starting from a red light feels like being pushed out, which is thrilling. Its core function is to transmit rotational force to the wheels, enabling the car to climb hills or tow heavy loads even at low RPMs. In daily city traffic jams, it prevents the car from stuttering—stop, hesitate, then struggle. High-torque engines are especially noticeable in manual transmissions, providing strong follow-through after shifting and reducing the risk of stalling. Modern cars also use turbocharging to expand the torque range, covering scenarios from takeoff to high-speed driving. It's crucial for safety too, as quick acceleration in emergencies allows faster overtaking, reducing risks. I always tell my friends: when choosing a car, don’t just look at horsepower—pay attention to torque. It directly affects real-world driving feel and durability, making you feel more confident behind the wheel.

[DaisyRose]

As a new driver who just started learning, torque's function is to make the car move easily, like the force pushing a swing—the greater it is, the more powerful the car's start. It affects acceleration speed and prevents stalling when climbing hills; it can also tow things. In regular family cars, those with higher torque are more convenient in city areas with frequent traffic lights—just step on the gas and go without waiting. I’ve also noticed it relates to fuel consumption; if the car has strong power at low RPMs, it uses less fuel. From a safety perspective, prompt power response avoids unexpected delays. In short, it's the engine's fundamental capability—simply put, the car's core strength.