We carry a large selection of used cars, trucks, and SUVs. So it's easy to find exactly what you want, all in one place. Come to Friendshipcars in the Tri-Cities, TN and enjoy car shopping with no haggling or pressure. Every car we sell is Friendship Certified and comes with a Free Lifetime Warranty, so you can buy with confidence. Want to sell your car? We make that easy, too. We'll buy your car even if you don't buy ours. Simple car buying and selling. The way it should be.