What is a common sign of an overloaded trailer?

An overloaded trailer is likely to exhibit poor steering response and may sway while being towed. This is due to the excess weight affecting the vehicle's balance and handling characteristics. When a trailer is overloaded, it can disrupt the distribution of weight, leading to instability. This instability can cause the trailer to sway side to side, which can be especially dangerous at higher speeds or during maneuvers such as lane changes.

In addition, an overloaded trailer may place additional strain on the towing vehicle's suspension and braking system, further contributing to poor handling and responsiveness. It is crucial for drivers to be mindful of the load limits specified for both the trailer and the towing vehicle to maintain safety on the road.

The other options presented suggest improvements in performance, such as increased fuel efficiency, smoother braking, and better acceleration, which are not realistic outcomes of towing an overloaded trailer. Instead, the consequences of overloading typically result in negative impacts on vehicle performance and safety.