CarMax Power of Attorney: How to Sell Someone Else’s Car to CarMax (Documents + Steps)
Yes, you can sell someone else’s car to CarMax with a power of attorney (POA), but the paperwork must be right. Bring the original, signed and usually notarized POA that gives you authority to sell the vehicle (many states accept or require their own DMV vehicle POA form), the title, your photo ID, all keys, and loan payoff details if there is a lien. The check is typically made out to the registered owner, not to you. Because CarMax follows each state’s title rules, call your local CarMax store before you go to confirm which POA form and wording they will accept.
Selling a car for a parent who is in hospital, a spouse deployed overseas or a relative who has moved away is a common reason to use a power of attorney. CarMax is a popular choice because it buys cars quickly with a written offer. The catch is that a POA sale has more paperwork than a normal sale, and a missing notary stamp or the wrong form can send you home without a deal.
This guide explains what CarMax generally needs for a power of attorney sale, the documents to bring, and how to avoid the most common problems.
What Is a Power of Attorney for Selling a Car?
A power of attorney is a legal document in which the owner (the principal) authorizes another person (the agent or attorney-in-fact) to act for them. For a car sale it must give the agent authority to sign the title and other transfer documents. There are two common types:
- Vehicle-specific POA: a short form, often from the state DMV, that covers one vehicle identified by its VIN. Many states have an official version, for example Texas Form VTR-271. This is usually the easiest to get accepted.
- General or durable POA: a broad legal document covering many financial matters. It can work, but the dealer and DMV will read it closely to confirm it includes vehicle sales and is still in force.
If the owner has passed away, a power of attorney ends. You would then need estate documents such as letters of administration instead.
Documents to Bring to CarMax
| Document | Why it is needed |
|---|---|
| Original power of attorney | Proves you can sign for the owner. Bring the original, usually notarized, not a photo |
| Vehicle title | Shows ownership. If there is a loan, the lender holds it and CarMax pays it off |
| Your valid photo ID | Matches your name to the POA |
| Copy of the owner’s ID | Often requested to confirm the owner’s identity |
| Current registration | Confirms the vehicle details |
| Loan payoff information | Lender name, account number and payoff amount |
| All keys and remotes | Missing keys can lower the offer |
How to Sell a Car to CarMax With Power of Attorney
Ask which POA form they accept in your state, whether it must be notarized and whether the owner needs to be reachable by phone during the sale.
Have the owner sign the vehicle POA (or your state’s DMV form) in front of a notary. Make sure it lists the VIN, year, make and model.
Request an instant offer online or bring the car in for an appraisal. CarMax offers are typically valid for 7 days.
Take the original POA, title (or payoff details), your ID, a copy of the owner’s ID, registration and every key.
Sign the title and CarMax paperwork the way the store tells you, typically the owner’s name followed by your name and “POA” or “attorney-in-fact”.
Payment normally goes to the owner. Cancel insurance and handle the plates and registration according to your state’s rules.
Common Problems With POA Sales
- Only a copy of the POA. Bring the original with the notary seal.
- Names do not match. The owner’s name on the POA must match the title exactly.
- POA does not mention vehicles. A general POA may be questioned. A vehicle-specific form avoids this.
- Two owners on the title. If the title says “AND”, both owners usually need to sign or give a POA.
- The owner has died. A POA is no longer valid. You need estate paperwork.
- Out-of-state title. Rules from the state that issued the title may apply. Ask the store.
For blank forms and wording, see our guide to the power of attorney form to sell a car. If you are selling a parent’s car, read can I sell my dad’s car with power of attorney. For a normal CarMax sale, see can I sell my car to CarMax.
- Ask the store manager to look at a scan of the POA before you drive in.
- Keep a copy of every signed document for the owner’s records.
- Have the owner’s phone number ready in case CarMax needs to verify.
- Get the offer first, then the notarized POA, so the 7-day window is not wasted.
You can sell a car to CarMax for someone else with a valid power of attorney. Use a notarized, vehicle-specific POA or your state’s DMV form, bring the original with the title, your ID and all keys, and call the store first to confirm what it accepts. Expect the payment to go to the registered owner.
CarMax Power of Attorney FAQs
Generally yes, if the POA is valid, original and meets your state’s title transfer rules. Call your local store to confirm the exact form they accept.
In most cases yes. Many states require a notarized POA to sign a title on someone else’s behalf.
Payment is normally issued to the registered owner, not the agent who signs.
Yes, with a valid power of attorney while your parent is alive. If they have died, you need estate documents instead.
No. Bring the original signed document. A copy is usually not accepted for a title transfer.
If the names are joined by “AND”, both owners usually have to sign, either in person or through a POA each.
- CarMax can accept a valid POA sale.
- Bring the original, notarized POA.
- Title, IDs, registration and all keys.
- Payment goes to the owner.
- Call the store first to confirm.