Used Car Buying Checklist: Before, During and After
A checklist keeps you from skipping steps when a salesperson, a seller or your own excitement starts to speed things up. The list below is organized by stage, so you can work through it from the first search to the first oil change.
The short answer: Before you shop, set an all-in budget, get a loan quote and shortlist reliable model years. During the purchase, check the VIN, history report and recalls, test drive, get an independent inspection and agree on a written out-the-door price. After you buy, insure, title and register the car, fix open recalls and file your paperwork.
Key takeaways
- Do the budget, financing and model research before you visit any seller, when you are under no pressure.
- Match the VIN on the dashboard, door jamb sticker, title and paperwork; a mismatch is a stop sign.
- A clean vehicle history report does not replace an independent mechanic's inspection.
- Get the out-the-door price itemized in writing and compare it with the final contract line by line.
- Insure the car before you drive it, and register it within your state's deadline.
What should you do before you start shopping?
Settle your budget, financing and target models before you look at a single listing. These decisions are easier to make at home than on a dealer lot.
Budget and money
- Total budget set, including tax, title, registration and dealer fees
- Insurance quotes collected for your top two or three models
- Repair cushion set aside for the first year (tires, brakes, battery, fluids)
- Loan preapproval from a bank or credit union, if financing
- Trade-in value researched using several online estimates, if trading in
If you are unsure what price range fits your income, read how much car you can afford first.
Research
- Needs written down: seats, cargo, drivetrain, fuel type, size
- Two or three models shortlisted, with specific good model years
- Known problems and recalls checked for those years
- Fair price range noted for each model, year and mileage band
- Saved search or alert set up so new listings come to you
What should you check when you find a car?
Check the paperwork and the car's identity before you check how it drives. A great test drive means little if the title is branded or the car has an open recall.
Listing and seller
- Listing photos match the car in person (color, wheels, trim, damage)
- Price compared with similar cars by year, trim and mileage
- Days on market noted; long-listed cars may have negotiating room
- For a dealer: Buyers Guide displayed in the window, stating warranty or "as is"
- For a private seller: seller's name matches the name on the title
The FTC requires dealers to post a Buyers Guide on every used car they offer, and the guide's terms override contrary terms in the sales contract. The FTC's guide to buying from a dealer explains what it must include.
VIN and history
- VIN matches on the dashboard, driver door jamb label, title and paperwork
- Vehicle history report reviewed (title brands, accidents, owners, odometer)
- NMVTIS title check run through an approved provider listed at vehiclehistory.gov
- Open safety recalls checked at NHTSA's recall lookup
- Service records requested
A history report only knows what was reported to it. Our guide to vehicle history reports explains the gaps.
What should you look at during the walkaround?
Spend ten minutes walking around and inside the car in daylight before you drive it. You are looking for signs of accidents, water, neglect and wear that does not fit the mileage.
| Area | What to check | Possible red flag |
|---|---|---|
| Body | Panel gaps, paint color and texture | Uneven gaps or mismatched paint suggest bodywork |
| Tires | Tread depth, matching brands, wear pattern | Uneven wear can mean alignment or suspension issues |
| Under the hood | Fluid levels and color, leaks, belts | Milky oil, fresh leaks, cracked belts |
| Underneath | Rust, drips, damaged exhaust | Heavy frame rust, active leaks |
| Interior | Odors, carpet, seat wear, warning lights | Musty smell or silt can mean flood damage |
| Electronics | Windows, locks, A/C, heat, screen, cameras | Anything that does not work |
Interior wear should roughly match the odometer. Heavily worn pedals or a sagging driver's seat on a low-mileage car deserve questions. See our list of used car red flags for more warning signs.
What should you check on the test drive?
Drive for at least 20 minutes, including city streets, a highway and a rough patch if you can find one. Start the engine cold if possible.
- Engine starts easily with no unusual noise or smoke
- No warning lights stay on after startup
- Transmission shifts smoothly, with no slipping or harsh engagement
- Car tracks straight and steering feels centered
- Brakes stop straight with no grinding or pulsing
- No clunks over bumps, no humming that changes with speed
- Heat and A/C both work at full output
- Driver-assist features and cameras function
Our test drive checklist breaks this down further.
Do you need an inspection before buying?
Yes. Book an independent pre-purchase inspection with a mechanic you choose before you sign anything. It typically costs roughly $100 to $250, depending on the shop, your area and the vehicle.
- Inspection scheduled at an independent shop, not one chosen by the seller
- Written results received, with repair estimates for any problems
- Decision made: buy, renegotiate or walk away
A seller who refuses a reasonable inspection request is giving you useful information. Walk away.
What should you confirm before you sign?
Confirm that the deal on paper is the deal you agreed to. Most expensive surprises at signing come from fees, add-ons and financing terms that changed between the quote and the contract.
- Out-the-door price received in writing, itemized
- Every fee explained; unwanted add-ons removed
- Contract price, trade-in value, down payment and loan terms match your quote
- Promised repairs or warranties written on the Buyers Guide or contract
- No blank spaces in any document
- Financing confirmed as final, not conditional
- Return or cancellation policy, if any, in writing
Federal law does not give you a three-day right to cancel a car purchase, so this is your last checkpoint. For a closer look at fees, read used car dealer fees explained.
What do you need to do after buying a used car?
Make the car legal to drive, then take care of safety and maintenance. Deadlines for title transfer and registration vary by state, so check your DMV's website the day you buy.
- Add the car to your insurance policy before driving it away.
- Title and register the car, or confirm the dealer filed the paperwork and when plates will arrive.
- Schedule repairs for any open recalls at a franchise dealer for that brand.
- Do overdue maintenance: oil, filters, and any fluids the inspection flagged.
- Save the contract, title, Buyers Guide, inspection report and warranty documents in one folder.
- Set a reminder for your first loan payment if you financed.
Keep the search running until you sign
The hardest item on the list is often finding the right car at a fair price near you. Scout's used car alerts let you describe the car you want in plain English, then email you when a matching car shows up at a dealer near you. The free plan covers one saved search with a daily email roundup.
Frequently asked questions
What should I bring when buying a used car?
Bring your driver's license, proof of insurance or your insurer's contact information, your loan preapproval or payment method, and your trade-in's title and keys if you have one. A small flashlight, a phone for photos and a printed copy of this checklist help during the walkaround. Bring a friend if you can.
What is the most important step when buying a used car?
The independent pre-purchase inspection catches the most expensive problems, and it is the step buyers skip most often. A mechanic on a lift can see leaks, rust, frame repairs and worn parts that a test drive will not reveal. It typically costs roughly $100 to $250, which is small next to a transmission or engine repair.
How do I check if a used car has a lien?
For a private sale, look at the title for a listed lienholder and ask the seller for a lien release if one appears. Many state DMVs offer title or lien status checks. An NMVTIS report shows title brands but not always liens. If a loan is still open, complete the sale at the lender's office so the payoff and title transfer happen together.
Should I buy a used car without service records?
You can, but treat the missing records as a reason to inspect more carefully. Ask the seller what maintenance was done and where, since some shops can pull records by VIN. Have the mechanic check fluid condition and wear items closely, and budget for catching up on maintenance such as fluids, filters and spark plugs.
How long do I have to register a used car after buying it?
The deadline depends on your state and is often somewhere between about 10 and 30 days. Dealers usually file title and registration paperwork for you, while private-sale buyers usually handle it themselves at the DMV. Check your state DMV's website for the exact deadline, required documents and fees.