I'm a CL user. Both to buy and sell cars and other items. Admittedly, most of my cars are driven into the ground, but I've unloaded a few. Most of my experience is on the buying used cars on CL, but I've been on both sides of the fence. I've bought and sold a lot of items using CL as well.
Make a nice ad. You can look online for examples and make your judgement, but a general discussion of the 3 basic areas is typically enough (int, ext, engine). A full list of 'features' isn't necessary, but drive type and mileage are. Mentioning you have title, it's currently registered, it runs, and all the features work are good selling points. Get some clear photos of the 3 basic areas in there and rub out your license plate numbers. Opinions aren't that helpful "she drives on rails" appeals to some, but not the masses, don't cut your market in half. Listing the brand and value of aftermarket parts is not recommended. You want to appeal to all who have money and need a car. Do openly disclose any big issues, like transmission is failing or sunroof leaks, but don't list all of the maintenance items that are coming up next. It's a car, of course it needs belts, fluids, brakes, etc.
Title the ad with year make model and a highlight like "1988 Oldsmobile Cutlass supreme, reliable". Clean, fun, sporty, luxurious are all positive highlights, pick one.
Financing? Nope. Don't do it. Cash. Always Cash. Only Cash. Now, that is based on the 'scale' of car I buy and sell. If you have a $50K item, maybe a trip to the bank together or a cashier's check is in order. For me, Cash up to $20K seems fine. But no to financing.
Plan to meet and show the car in a public place like the supermarket parking lot. This will make the buyer comfortable. They are potentially walking around with $20K in cash in their pocket. They are nervous and it's understandable.
Pick a price and make it OBO. Be ready to negotiate with reasonable people and be ready to ignore idiots. They will come out of the woodwork. They'll ask for a $500-$1000 discount before even seeing the car. That's not negotiating imho, that's discount shopping. If it's a 240sx, they'll have no money but a promise from mom that they can buy the car. So they want to test drive it and you'll be giving a lesson on how to drive stick and not selling the car because ultimately mom says no! I negotiate price, but I'm there, in person, with cash and I've found 5 things wrong with the car that you didn't mention or know about. That's negotiating a price based upon the item.
For a car sale, I will put my email and phone number out there. They can call, leave a message, leave a text or shoot an email. You have to filter through the responses. You can weed out incoherent BS pretty quick and avoid quacks that think you'll cross three state lines just to show them a car and possibly not buy it. You don't have to put your phone number if you don't want. You can mention in the ad that email you first, then call and talk and arrange to meet if you like.
Be patient, not desperate if you can. That will affect the amount you get.
Do not fill out your pink slip until the cash is counted and in your hands. You don't want to have to get another one from DMV. Do follow up with insurance and cancel your coverage after the sale. Do send your stuff to DMV right away.
GLWS!
