What to know

A larger used-car selection can make shopping easier without making the cheapest cars easier to find. September’s market figures show that distinction clearly. Buyers have more inventory to compare overall, while those searching below $15,000 still face a much tighter part of the market.

In its October 16 report, Cox Automotive estimated that dealers held 2.21 million used vehicles in September, up 3.9% from August. Supply increased from 44 to 49 days. The average listing price was $27,235, almost unchanged from the revised August figure. Cars priced below $15,000 had only 34 days of supply, and inventory in that band was down 16.2% from a year earlier. The price figure measures advertisements, not the final amounts buyers paid.

For a buyer, this is a reason to compare carefully rather than assume the market has supplied a bargain. Two vehicles with the same badge can have different histories, equipment and upcoming costs. Mileage matters, but mileage alone does not tell you whether the lower-priced example is the better purchase. The written condition of the vehicle should be part of the price discussion.

The FTC’s used-car buying guide recommends reviewing maintenance records, checking for recalls and obtaining an independent mechanical inspection. Its inspection advice is especially useful when an apparently good price is putting pressure on you to decide quickly. Ask the inspector for written findings and estimates for work that is needed soon. A dealer’s inspection or a history report does not answer every question about the vehicle’s present condition.

Here is an illustrative budget exercise. Car A costs $14,200 before taxes and fees and needs $1,800 in identified near-term work. Car B costs $15,200 on the same basis and needs $300. Adding those estimates puts Car A at $16,000 and Car B at $15,500 before the remaining ownership costs. The example does not make Car B automatically better; the repairs and the cars still need evaluation. It shows how the cheaper sticker can become the more expensive starting point.

Separate immediate needs from optional improvements. Ask which issues affect safe operation, which maintenance is due under the manufacturer’s schedule and which items are cosmetic. If the seller agrees to complete work, have the agreement identify the job and the timing. A general promise to take care of the car is harder to evaluate than a specific written repair commitment.

Read the Buyers Guide and any warranty documents before signing. The FTC explains that the guide identifies whether the vehicle is offered as-is or with a dealer warranty, subject to applicable state law. A service contract has its own terms; its price should not substitute for understanding what coverage already exists. Ask which repairs are covered, what you must pay and where work can be performed. Put promises you rely on into the paperwork.

Financing is another reason to compare complete offers. A lower purchase price can be offset by a higher borrowing cost or a longer term. Ask for the amount financed, APR and total scheduled payments, and make sure optional products have not entered the loan unnoticed. If you have a trade-in, identify its value and payoff separately so that old debt does not disappear inside the new payment.

For lower-budget shoppers, keeping some money available after purchase can matter as much as the last few hundred dollars of negotiation. Set your purchase ceiling with registration, insurance and foreseeable maintenance already in mind. If every available dollar goes into acquiring the car, even a modest repair can disrupt the plan. This is a budgeting choice to make before becoming attached to a particular listing.

The useful result of a Deal Review is a comparison that survives beyond the dealership: the vehicle’s documented condition, the work it needs, the written price and the cost of any borrowing. More inventory gives you additional candidates. The better buy is the one whose complete costs and condition fit your circumstances, not simply the first listing below a national average.

Original analysis and practical guidance based on the linked sources. Lead source published October 16, 2026; checked October 21, 2026.