* Bad tires: If your tires are worn out, underinflated, or out of balance, they can cause the car to feel rough and unstable at high speeds.
* Faulty alignment: If your car's alignment is off, it can cause the tires to wear unevenly and affect the car's handling and stability.
* Loose wheel bearings: Loose wheel bearings can cause the wheels to wobble, making the car feel rough and unstable.
* Damaged suspension components: If any of the suspension components are damaged or worn out, it can affect the car's ride quality and handling.
