Why is my Vauxhall Astra shaking when I hit high speeds?

I just bought a used Vauxhall Astra and noticed that it starts to shake when I hit high speeds on the highway. It's very unsettling and I'm not sure what could be causing it. Can anyone help me figure out the problem?

Hi Nathan, it's possible that your tires or wheels may be unbalanced. This can happen over time and can cause shaking at high speeds. I recommend taking your car to a mechanic or tire shop to get them balanced.

Hi Nathan, another potential cause could be that your alignment is off. This can also cause shaking at high speeds. I suggest getting your alignment checked and adjusted if necessary.

Hi Nathan, it's important to also check your suspension components such as the struts and shocks. If they are worn out, they can cause shaking at high speeds. I suggest getting them inspected and replaced if needed.