Carvana vs CarMax: Red Flags to Check Before You Buy

Buying a used car online is convenient right up until a car you have never driven shows up in your driveway. Carvana and CarMax both make it easy, and both give you a short window to change your mind, so the return clock is your real inspection.

Carvana and CarMax turned used-car buying into an online, no-haggle process, with a car delivered to your door or waiting at a store. The convenience is real, and so is the risk of buying a vehicle you have not inspected in person. Here is the reassuring part: both offer a money-back guarantee, the safety net that makes online buying reasonable, if you use it correctly. This guide compares the two and lays out the red flags to check before the return window closes.

The Short Answer

Carvana and CarMax are both no-haggle used-car retailers with a return window, and the biggest practical difference is that window: Carvana gives you 7 days and 400 miles, while CarMax gives you 10 days. CarMax also has physical stores where you can see and test-drive a car first, while Carvana is fully online with home delivery or vending-machine pickup. With either one, treat the return period as your inspection: get the car to an independent mechanic, confirm the title and registration are on track, and be ready to return it if anything is off.

Carvana vs CarMax: How They Differ

Both sell reconditioned used cars at a set price with financing and trade-in built in, but their models diverge in ways that matter for catching problems.

According to Carvana’s 7-day money-back guarantee, you can drive up to 400 miles in that window, with a per-mile charge beyond it, and shipping fees are not refunded. CarMax’s 10-day return gives you a few more days to decide. The 30-day guarantee CarMax once offered ended in 2024.

Red Flags to Check Before the Window Closes

The online model means the inspection happens on your driveway, not the lot, so build these into the first days.

• Get an independent inspection. An advertised multi-point inspection and a vehicle history report are reassuring, but the FTC notes a history report is no substitute for an independent mechanic. Drive the car to your own mechanic inside the return window.
• Document the condition on delivery. Photograph the car inside and out the moment it arrives, and note any dents, scratches, warning lights, or smells so you can act before the clock runs out.
• Confirm the title and registration timeline. Ask exactly when your title and plates will arrive, and get it in writing. Delays here have been a common complaint with online buying, and a late title can leave you unable to register the car.
• Recheck the price and fees. Compare the out-the-door price, shipping, and any add-ons against the listing, and remember Carvana’s shipping charge is not refundable if you return the car.
• Line up your own financing. Get pre-approved by your bank or credit union first, then compare that rate to the retailer’s offer, since financing is where markups tend to hide.
• Test everything in the first days. Run the AC and heat, every window and door, and the infotainment, and take a highway drive, because the return window is short and mileage-limited.

Which One Should You Choose

Choose CarMax if you want to see and test-drive the car before you buy and value the longer 10-day window, which suits cautious buyers and anyone who prefers a physical store to return to. Choose Carvana if you want the fully-online experience with home delivery and often a competitive trade-in offer, and you are disciplined enough to inspect the car hard within 7 days. With either one, the return guarantee is the feature that protects you, so treat it as a real deadline, not a formality.

Frequently Asked Questions

Is Carvana or CarMax better for buying a used car?

It depends on how you like to shop. CarMax lets you see and test-drive a car at a store before buying and gives a 10-day return window, which suits cautious buyers. Carvana is fully online with home delivery and often a strong trade-in offer, with a 7-day, 400-mile return window. Both are no-haggle. If in-person inspection matters most, lean CarMax; if online convenience matters most, lean Carvana and inspect quickly.

What is the return policy for Carvana vs CarMax?

Carvana offers a 7-day money-back guarantee with a 400-mile limit, charging about a dollar per mile beyond that, and shipping fees are not refundable. CarMax offers a 10-day money-back guarantee, and its older 30-day guarantee ended in 2024. In both cases you return the car for a refund of the purchase price within the window, so plan your inspection and any mechanic visit to fit inside those days.

What red flags should I watch for when buying a car online?

Skip nothing in the first days. Get an independent mechanic to inspect the car, since a history report and an advertised inspection are not the same as one. Photograph the condition on delivery, confirm in writing when the title and plates will arrive, recheck all fees against the listing, and compare the financing offer to a pre-approval from your own bank. If anything is wrong, use the return window.

Can I return a car to Carvana or CarMax if I change my mind?

Yes, that is the point of each one’s money-back guarantee. Carvana gives you 7 days and up to 400 miles; CarMax gives you 10 days. Return the car in the same condition and you get the purchase price back, though Carvana does not refund shipping and refunds can take a week or two to process. Confirm the current terms with the retailer before you buy, since policies change.

Before You Sign

Treat the return window as your inspection, not a formality: get the car to an independent mechanic, document its condition on delivery, and confirm the title and plates in writing. Line up your own financing to compare, and know the exact number of days and miles you have to return it. If the car is wrong, send it back before the window closes. For more on buying a used car safely, see our Autos and Finance & Money sections, and read our guide on spotting flood and mold damage before you accept delivery.