What does car understeer mean?

2 Answers
HavenDella
07/29/25 8:28am
Car understeer refers to a phenomenon where the front wheels cannot provide sufficient steering force due to reasons such as entering a turn too quickly or insufficient front tire grip, causing the vehicle to fail to follow the intended path and slide outward during a turn. Below are related explanations: 1. Causes of understeer in front-wheel-drive cars: Front-wheel-drive cars are front-heavy, and the centrifugal force at the front exceeds the grip capacity of the front tires, preventing the front from turning along the intended path. Once the grip limit is exceeded, further steering input is ineffective, and the vehicle is in an uncontrolled state. 2. Causes of oversteer in rear-wheel-drive cars: This occurs when excessive throttle is applied during a turn. Since the drive is at the rear wheels, it causes rotation around the front wheels as the pivot point. At this point, counter-steering and reducing throttle can straighten the car body, which can be controlled by experienced drivers.
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LaMaddox
08/11/25 6:00pm
Car understeer, commonly known as the phenomenon where the front of the vehicle refuses to turn and keeps plowing straight ahead during a corner. The first time I encountered it was on a rainy day driving on a mountain road—I pressed the accelerator a bit too hard, and the car uncontrollably slid outward, scaring me quite a bit. Later, I figured out that this is mainly due to insufficient tire grip or turning too fast, causing the front wheels to lose traction. It's especially prone to happen on slippery roads or during aggressive driving. To avoid it, develop the habit of entering corners slowly and exiting quickly, slowing down before turning, and steering smoothly. Regularly checking tire wear and pressure is also crucial. I change my tires every year to minimize accidents.
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