Use CarMax and Carvana Offers to Negotiate With Dealers
Dealers count on you not knowing what your car is worth. That's where CarMax and Carvana offers come in. Use them right, and you can walk into any showroom with real numbers that force the dealer to pay you fairly for your trade. Here's how to use CarMax and Carvana offers to negotiate with dealers without getting played.
Why these offers carry weight
CarMax and Carvana are the two biggest used car buyers in the country. When they give you a written offer, it's a real check they'll cut you on the spot. Dealers know this.
That makes their offers the closest thing you'll get to a true cash value for your car. A dealer can't easily lowball you when you've got proof of what someone else will pay today.
How to get both offers fast
Both sites take about 5 minutes. You enter your VIN or license plate, answer questions about condition, and upload a few photos. You'll have written offers good for about 7 days.
- →Go to carmax.com/sell-my-car and complete the online appraisal with honest condition answers.
- →Do the same at carvana.com/sell-my-car using the exact same condition details so the offers are comparable.
- →Save both offer PDFs or screenshots to your phone with the expiration dates clearly visible.
- →Check one more source like Kelley Blue Book Instant Cash Offer to confirm you're in the right range.
The trade-in negotiation playbook
Never mention your trade until after you've agreed on the new car's price. Dealers love to mix the two numbers together so you can't tell where they're making money.
Once the new car price is locked in, then bring up the trade. Show them your highest offer and ask if they can beat it.
- →Say exactly this: 'Carvana offered me $18,400 in writing. Can you beat that number?'
- →If they say no, take the deal at Carvana and buy the new car separately at the dealer.
- →If they offer the same number, ask for a tax savings credit on top, since most states only tax the difference between trade and new car.
- →Get any agreed trade number written on the deal sheet before talking about financing or add-ons.
The tax credit angle most buyers miss
In most states, trading your car in at the dealer reduces the sales tax on the new car. Selling to Carvana doesn't. That tax savings can be worth real money.
Here's the math. If your state charges 7% sales tax and your trade is worth $18,000, trading it at the dealer saves you about $1,260 in tax. So the dealer can offer $1,260 less than Carvana and you still come out even.
Check your state's rules before you negotiate. A few states like California and Virginia don't give this credit, so always take the highest cash offer there.
What dealers will try on you
Expect pushback. Some dealers will claim the CarMax offer is fake, or that the car needs work they didn't see. Stay calm and stick to the written number.
- →If they say 'that offer won't hold up in person,' tell them you've already booked the CarMax appointment as a backup.
- →If they bundle the trade and new car price together, ask for them on separate lines in writing.
- →If they pressure you to decide now, leave. The offers are good for a week and the car will still be there tomorrow.
- →If they lowball by more than the tax credit, walk out and sell to whoever made the highest offer.
What to do next
Before you set foot on a lot, get your CarMax and Carvana offers in hand. Print them or save them to your phone. Then use those numbers as your floor, not your ceiling, when you negotiate with dealers. That's how regular buyers turn the trade-in game in their favor and stop leaving money on the table.
Grade your deal — free
Upload your quote and get an A–F grade, every red flag, and a negotiation script in 30 seconds.
Grade My Deal — Free →Deal coming back a C, D, or F?
A former dealership insider reviews your numbers and emails you exactly what to say — word for word. $19. Save $250+ or your money back.
Ask a Pro — $19 →