Hyundai Elantra Shakes

Can Anyone Tell Me Why This Is? This Car Was Bought Used From Car Dealership About 4 Years Ago.

I Have An Automatic Transmission Elantra Car, It Was Working Fine, Till A Few Weeks Ago. I Noticed That After I Start The Car And Walk A Few...

When Going Over 45 Mph The Car Starts Shaking, If I Let Off Of The Gas Or Put It In Neutral It Stops Shaking. I Had The Tires Checked And...

I Was Wondering Why My Car Starts To Shake While I Am Driving Between The Speeds Of 60 Mph And 70 Mph. It Does Shake Above 70 Mph, But It...

I Just Bought 4 New Tires,got Them Balanced, Had A 4-wheel Alignment, Changed Out The Struts All The Way Around, Replaced My Pads And Rotors...