An axle is a rod or shaft that connects a pair of wheels of a vehicle. It bears the weight of your entire automobile. It is the axle that rotates the wheels of your car. Hence, it is crucial for safe driving.
On the other hand, a suspension system helps to maximize the overall performance of an automobile. A suspension system absorbs the bumps in the road giving a safe and smooth ride. A broken suspension system can make the vehicle feel unbalanced or unstable. Sometimes, you can even lose control of your car or worse.