How to Buy a Used Car: A Step-by-Step Guide for 2026

Buying a used car can save you thousands compared with buying new, but the process has more moving parts. Every car has its own history, and the same model can be a great buy or a money pit depending on how it was treated. This guide walks through the whole process in order, so you know what to do and when.

The short answer: To buy a used car, set an all-in budget, get a loan quote before you shop, pick two or three reliable models, and search listings near you. Then check the vehicle history and open recalls, test drive, pay for an independent inspection, negotiate the out-the-door price in writing, and read every document before you sign.

Key takeaways

• Decide your budget on the total cost of ownership (price, tax, fees, insurance, fuel and repairs), not on a monthly payment.
• A loan preapproval from a bank or credit union gives you a rate to compare against dealer financing before you are under pressure.
• A vehicle history report and an independent pre-purchase inspection answer different questions, so you need both.
• Negotiate the out-the-door price, which includes taxes, title, registration and every dealer fee, and get it in writing.
• Under federal law there is no automatic three-day right to return a used car, so do your checking before you sign.

Step 1: How much should you spend on a used car?

Set your limit on the total cost to own the car, then work backward to a purchase price. A car that fits your monthly payment can still strain your budget once insurance, fuel, registration and repairs show up.

Start with the money you can put down and the monthly amount you can comfortably carry. Then add the costs that come with any car:

A common rule of thumb is to keep total car costs, including insurance, well under 15 to 20 percent of take-home pay. It is a starting point, not a law. Our guide on how much car you can afford runs through the math in more detail.

Keep a cushion for the first year. Even a good used car may need tires, brakes, a battery or fluid service soon after you buy it.

Step 2: Should you get preapproved for a car loan first?

Yes, if you plan to finance, get at least one loan quote from a bank or credit union before you visit a dealer. A preapproval tells you the rate you qualify for, caps your spending and gives you something to compare against the dealer's offer.

The Consumer Financial Protection Bureau has a free set of auto loan tools that explain how to shop for rates and read loan terms. Multiple auto loan inquiries made within a short shopping window are generally treated as a single inquiry by credit scoring models, so comparing lenders is usually worth it.

Dealer financing can still win. Dealers sometimes have access to promotional rates, especially on certified pre-owned cars. The point is to walk in knowing your own number. Focus on the total amount you will pay over the loan, not just the monthly payment, because a longer term lowers the payment while raising the total interest.

If you pay cash, decide how much you are willing to pull from savings and keep an emergency fund intact.

Step 3: Which used car models should you shortlist?

Pick two or three models that fit your needs, then compare specific years. Shopping by model year matters because the same nameplate can change engines, transmissions and safety equipment from one generation to the next.

Write down what you actually need: seats, cargo space, all-wheel drive, towing, fuel economy, parking size. Then research reliability and owner-reported problems for the exact years in your budget. Good places to check:

1. Consumer Reports and Edmunds for reliability and reviews by model year.
2. NHTSA's recall and complaint lookup for safety recalls and owner complaints.
3. IIHS crash test ratings for the specific model years you are considering.
4. EPA fuel economy figures at fueleconomy.gov for running-cost comparisons.

Shortlisting more than one model gives you options. If one model is scarce or overpriced in your area, a close rival may be easier to find at a fair price.

Step 4: Where should you search for used cars?

Search dealer inventory near you first, then widen the radius if supply is thin. Franchise dealers, independent dealers, online retailers and private sellers all sell used cars, and each comes with different protections and risks.

Dealers must follow the FTC Used Car Rule, which requires a Buyers Guide on every used car they offer, stating whether it comes with a warranty or is sold "as is." Private sellers do not have to provide one. Our comparison of buying from a dealer vs. a private seller covers the trade-offs.

Good cars at fair prices tend to sell quickly. Check listings daily, filter by your must-haves, and note how long each car has been listed. A car that has sat for 60 days or more may have more room to negotiate. A car priced well below similar listings deserves extra scrutiny.

Step 5: How do you check a used car's history?

Run the 17-character VIN through a vehicle history report and a recall lookup before you get attached. The history report shows title problems, reported accidents, odometer readings and ownership changes. The recall lookup shows safety repairs that were never done.

Start at vehiclehistory.gov, the government's National Motor Vehicle Title Information System site. It lists approved providers that sell NMVTIS reports covering title brands (salvage, flood, rebuilt), the most recent odometer reading and total loss records. Commercial reports such as Carfax and AutoCheck add service and accident records when those were reported to them.

Then enter the VIN at NHTSA's recall site. NHTSA notes that its VIN search does not show safety recalls more than 15 years old and that very new recalls may take time to appear, so check close to your purchase date. Our vehicle history report guide explains what each report can and cannot tell you.

Step 6: What should you check on a test drive?

Drive the car for at least 20 to 30 minutes on roads like the ones you drive every day, including a highway. Start the car cold if you can, because some engine and starting problems only show before the engine warms up.

Listen for knocks, whines or clunks. Notice whether the transmission shifts smoothly, the car tracks straight, and the brakes stop without pulling or pulsing. Test every feature you will use: air conditioning, heat, windows, locks, infotainment, cameras and driver-assist systems. Check that no warning lights stay on after startup.

Bring someone along if you can. A second person can watch for smoke, listen from outside the car and keep you from rushing.

Step 7: Do you need a pre-purchase inspection?

Yes. An independent pre-purchase inspection by a mechanic you choose is the best protection you have against expensive hidden problems. It typically costs roughly $100 to $250, depending on your area, the car and how thorough the inspection is.

The FTC advises getting an independent mechanical inspection and notes that a vehicle history report is not a substitute for one. A mechanic can put the car on a lift, look for leaks, rust, frame repairs and worn suspension parts, and scan for stored trouble codes that a dashboard does not show.

If a seller will not allow an inspection at a nearby shop, treat that as a reason to walk away. Read our pre-purchase inspection guide for what a good inspection covers and how to use the results to negotiate.

Step 8: How do you negotiate a used car price?

Negotiate on the out-the-door price, the single number that includes the car, taxes, title, registration and every fee. Talking only about monthly payments or the sticker price leaves room for costs to reappear later.

Before you talk numbers, compare the car with similar listings by year, trim, mileage and condition within your search area. Pricing guides from KBB and Edmunds give a range. Then:

1. Ask for an itemized out-the-door quote in writing, by email if possible.
2. Question every line you do not recognize, especially add-ons such as nitrogen tires, etching, paint protection or "market adjustments."
3. Use inspection findings to ask for a lower price or for repairs written into the deal.
4. Be willing to leave. Another car will come along.

The FTC recommends getting out-the-door prices in writing before visiting and asking what each add-on costs. Our guide on how to negotiate a used car price goes deeper.

Step 9: What paperwork do you sign when buying a used car?

Expect a purchase contract, a title (or title application), an odometer disclosure, the FTC Buyers Guide when buying from a dealer, and loan documents if you finance. Read each one and make sure the numbers match the quote you agreed to.

Check these points before signing:

• The VIN on every document matches the car.
• The price, fees and trade-in value match your written quote.
• Any promised repairs or warranty terms are written on the Buyers Guide or contract. The FTC says the Buyers Guide overrides contrary terms in the sales contract.
• No blanks are left unfilled.
• If you finance, the loan is final. The CFPB explains that with "spot delivery," a dealer may call you back later saying the financing fell through, so ask whether the terms are fully approved before you drive away.

For a private sale, make sure the seller's name is on the title, the title is free of liens (or the lender is paid off as part of the deal), and you get a signed bill of sale.

Step 10: What should you do right after buying?

Insure the car before you drive it home, then register and title it within your state's deadline. Most insurers let you add a car by phone or app once you have the VIN.

Handle these next:

1. Register the car and transfer the title at your DMV if the dealer is not doing it for you.
2. Schedule an oil change and any overdue maintenance unless records show it was just done.
3. Get any open recalls repaired at a franchise dealer for that brand. Safety recall repairs are free.
4. Store the purchase contract, title, Buyers Guide and warranty papers together.

Remember that federal law does not give you a three-day right to cancel a used car purchase. The FTC's guide to buying from a dealer notes that only some states require a cancellation right, so any return policy should be in writing.

How long does the whole process take?

A focused buyer can go from research to keys in one to three weeks, while a hard-to-find model can take longer. Most of the time goes into research and waiting for the right car to be listed nearby, not paperwork.

Saved searches and alerts shorten the waiting part. Instead of checking several sites every morning, you get notified when a matching car appears, which matters because well-priced used cars often sell within days.

Let the right car come to you

Scout is a used car alert service. You describe the car you want in plain English, such as "2019 or newer Honda CR-V under $24,000 with under 60,000 miles," and Scout turns it into a saved search, checks dealer inventory near you, and emails you when a match is listed. See how it works or set up used car alerts. The free plan includes one saved search with a daily email.

Frequently asked questions

What is the first step in buying a used car?

The first step is setting a budget based on the full cost of ownership. Add up taxes, title and registration, insurance, fuel and a repair cushion, then decide on a purchase price that leaves room for all of them. If you plan to finance, get a loan preapproval at the same time so you know your rate before you shop.

Is it better to buy a used car from a dealer or a private seller?

Dealers must display an FTC Buyers Guide, handle title and registration paperwork, and sometimes offer warranties, but prices usually include fees and profit. Private sellers often price lower, but sales are typically as-is, you handle paperwork yourself, and you must confirm the title is clean and lien-free. Either way, get an independent inspection.

Can I return a used car after I buy it?

Usually not. Federal law does not require a three-day cooling-off period for car purchases. Some states require dealers to offer a cancellation option and some dealers offer return policies voluntarily. If a return policy matters to you, get its terms in writing and check your state attorney general's website for local rules.

How much does a pre-purchase inspection cost?

A pre-purchase inspection typically costs roughly $100 to $250 at an independent shop. Prices run higher for luxury, European or specialty vehicles and for more detailed inspections. Given that it can uncover problems costing thousands to fix, it is one of the best-value steps in buying a used car.

What documents do I need to buy a used car?

Bring a driver's license, proof of insurance (or be ready to buy it), your payment method or loan preapproval, and your trade-in title if you have one. From the seller you should receive the signed title or title paperwork, a bill of sale or purchase contract, an odometer disclosure, and the Buyers Guide when buying from a dealer.