Can Over Inflated Tires Cause Vibration Notice Your Car Vibrating at Higher Speeds? It Could Be More Serious Than You Think Barry's Auto Body Feeling Shaking or Vibration When Accelerating? Get Everything to Fix Your Car or Truck with Kits! Why Is Your Car Shaking While Driving Common Causes & How to Fix? If your car shakes at high speed the cause is often mechanical imbalance. Small issues become more noticeable as speed increases. Unbalanced tires are a common reason, creating vibration that grows VIBRATION ON STEERING? That shake you feel isn't just annoying it's your car telling you something isn't right. It could be your suspension, your tires, or both working against you