What is the effect of worn-out shocks on vehicle performance?

Worn-out shocks significantly affect vehicle performance, particularly in the area of handling. Shock absorbers are crucial components that control the impact and rebound movement of a vehicle's springs and suspension. When shocks wear out, they lose their ability to dampen the oscillations caused by bumps and dips in the road. This can result in a number of performance issues, such as increased body roll during turns and a general loss of control, which can compromise both safety and driving comfort.

As shocks become less effective, the vehicle may experience a tendency to sway or bounce excessively, making it more difficult for the driver to maintain control, particularly in cornering situations. This degradation in handling can also affect tire wear, as uneven contact with the road can cause tires to wear out prematurely or unevenly, further impacting vehicle performance.

In contrast, the other options suggest improvements or neutrality in vehicle performance with worn-out shocks, which is contrary to what actually happens. Hence, understanding the critical role that shocks play in enhancing vehicle handling is essential for safe driving and vehicle maintenance.