Gilland Chevrolet GMC

I bought a new car last July, a Aveo 2007.The msrp sticker was listed as 14,773 and the added my trade-in and rebate to the msrp price. Instead of selling me the car at 14,773 they sold it to me for 18,779. It was not on the contract agreement when I sign it. They did not tell me that the price will be higher. I did not get all my paper until six month later. I took the car back two weeks later and they would not it so I left the car. The call the finance co one and half month later to let them know I had return. They are a [violative content deleted].