The paperwork you need depends on whether you own the car outright or still owe money on it

If you own the car free and clear, you need your title, proof of ownership, and a bill of sale. If you still owe money to a lender, the lender holds the title until the loan is paid off, and you'll need to coordinate the payoff with the sale. Either way, you'll also need your vehicle registration and maintenance records. The exact documents vary slightly by state, but the core set is the same everywhere.

The biggest mistake sellers make is not having the title in hand before listing the car. If your title is lost, at a lienholder's office, or in someone else's name, you'll need to resolve that first—it can take weeks. Starting that process now, before you list the car, saves you from losing a buyer later.

Key Takeaways

  • Your title is the single most important document; without it, you cannot legally transfer ownership, and the buyer cannot register the car.
  • If you have a loan on the car, the lender holds the title and must release it after you pay off the loan, which usually happens at closing.
  • A bill of sale protects both you and the buyer by documenting the sale price, date, and condition of the car.
  • Your registration and maintenance records help the buyer understand the car's history and are often requested before purchase.
  • Some states require a smog check or inspection certificate; check your state's DMV website to confirm what applies to your vehicle.

Title and proof of ownership

Your title is the legal document that proves you own the car. It shows your name, the vehicle identification number (VIN), and the lien status. If you own the car outright, your name appears as the owner with no lien listed. If you still owe money, the lender's name appears as the lienholder.

Before you list the car, locate your title and make sure it is in your name. If the title is in someone else's name—a spouse, parent, or previous owner—you cannot sell the car without that person's signature or a court order. If the title is lost, contact your state's DMV to request a replacement; this usually takes one to three weeks and costs $10 to $30.

When you sell the car, you will sign the back of the title (or a separate assignment form, depending on your state) to transfer ownership to the buyer. Some states allow electronic title transfers through the DMV; ask your state's DMV whether this is an option for your vehicle.

Bill of sale and purchase agreement

A bill of sale is a written record of the transaction. It documents the sale price, the date, the condition of the car, and the signatures of both buyer and seller. It protects you by proving you sold the car on a specific date for a specific price, which matters if a problem arises later or if the buyer fails to register the car in their name.

You can use a simple one-page bill of sale template from your state's DMV website, or a more detailed purchase agreement if you want to include warranties or conditions. At minimum, include the VIN, the sale price, the odometer reading, the date of sale, and the printed names and signatures of both parties. Some states require the bill of sale to be notarized; check your state's DMV to confirm.

Keep a copy for your records. If the buyer later claims the car had undisclosed damage or if there is a dispute about the sale price, your signed bill of sale is your proof of what was agreed to.

Registration and odometer disclosure

Your current vehicle registration shows that you are the registered owner and that the car is insured and legal to drive. Bring it to the sale so the buyer can verify the VIN matches the title and bill of sale. Some buyers also ask to see it as proof that you have been maintaining the car legally.

The odometer disclosure is a separate form that documents the mileage at the time of sale. Federal law requires this form to be signed by the seller and included with the title transfer. Your state's DMV provides the form, or it may be printed on the back of the title itself. The buyer needs this to register the car in their name.

If the odometer is broken or you cannot read it, note that on the form. Do not guess or estimate the mileage; write what you actually see or state that the odometer is inoperable.

Maintenance records and service history

Maintenance records are not legally required to sell a car, but they are valuable to buyers. They show that the car has been serviced regularly and help the buyer understand what repairs have been done and when. Buyers often ask for these before making an offer, especially for used cars.

Gather any records you have: oil changes, tire rotations, brake service, transmission fluid changes, major repairs, and warranty work. If you have service records from a dealership, those carry more weight than informal notes. If you don't have complete records, be honest about it; buyers expect older cars to have gaps.

You don't need to provide original receipts, but digital copies or photos of receipts are helpful. If you have a service history printout from the dealership or a third-party service app, include that too.

Inspection and emissions certificates

Some states require a safety inspection or emissions test before a car can be sold or registered. These are not the same as a pre-purchase inspection that a buyer might order; they are state-mandated tests that certify the car meets safety and environmental standards.

Check your state's DMV website to see whether your state requires an inspection or emissions test. If it does, you may be required to have the test done before you sell the car, or the buyer may be required to have it done before they register it. Some states allow the seller to provide a passing certificate; others require the buyer to obtain it themselves. Knowing the rule for your state prevents confusion at closing.

If your car fails an inspection or emissions test, you will need to repair it before the test can pass. This is another reason to check your state's requirements early—if repairs are needed, you can factor that cost into your asking price or decide whether to proceed with the sale.

Handling the title if you have a loan

If you still owe money on the car, the lender holds the title. You cannot transfer ownership to the buyer until the loan is paid off. The standard process is to pay off the loan at closing using the sale proceeds.

Contact your lender and ask for a payoff quote—the exact amount needed to pay off the loan on a specific date. The quote is usually good for 10 to 15 days. Provide this number to the buyer so they know the exact amount that will go to the lender at closing.

At closing, the buyer's funds go to the lender first to pay off the loan and release the title. The remaining funds go to you. The lender will then send the title to you or directly to the buyer, depending on your state's process. This usually takes one to two weeks after closing.

If the sale price is less than what you owe, you will owe the difference out of pocket. If the sale price is more than what you owe, you keep the difference. Make sure you understand this before you agree to a price.

Frequently Asked Questions

What if I lost my title?

Contact your state's DMV and request a replacement title. You will need to provide proof of ownership (registration, insurance card, or loan documents) and pay a replacement fee, usually $10 to $30. The replacement typically arrives in one to three weeks. Until you have it, you cannot legally sell the car.

Do I need to get the car inspected before I sell it?

A pre-purchase inspection is not required by law, but many buyers request one. If your state requires a safety or emissions inspection before sale or registration, you need to know that. A pre-purchase inspection by a third-party mechanic is optional but can help you set a fair price and build buyer confidence.

Can the buyer and I just sign a piece of paper instead of using an official bill of sale?

Yes, as long as it includes the VIN, sale price, date, odometer reading, and both signatures. You don't need a fancy form—a handwritten document is legally valid in most states. However, using your state's official bill of sale template is safer because it includes all the language your state requires.

What happens if the buyer doesn't register the car in their name?

If the buyer fails to register the car, you could still be liable for parking tickets, tolls, or traffic violations associated with the vehicle. This is why a signed bill of sale and odometer disclosure are important—they prove you sold the car and transferred ownership. Some states allow you to file a notice of sale with the DMV to protect yourself.

Do I need to provide a warranty when I sell the car?

No. Most private sales are "as-is," meaning the buyer accepts the car in its current condition. You can offer a limited warranty if you want, but you are not required to. Be clear in the bill of sale whether the car is sold as-is or with any warranty, so there is no confusion later.