Have a car to sell or looking for Trini Cars for Sale? You can use this site FOR FREE as long as you are selling your personal car and not making commercial sales. Create a free account, click Add Auto in the menu above, enter the details, then click submit. A site administrator will approve your vehicle within 24 hours. You are allowed a maximum of 10 photos with your advertisement. Photos may not be larger than 640 x 480 pixels.