Supersonic is a full service car wash that offers a variety of services. You can get a very basic exterior wash for about $5 and they offer everything from that up to full wash and detailing that is about $50. There is one wash (I believe it's called the deluxe) that is about $15, but it is money well spent! They do a wonderful job and even though they stay pretty busy, they get cars through pretty quickly. They have a frequent visitor card and you can get stamps to use toward a free carwash. You can also purchase air fresheners in the office while you wait.