What to Know Before Buying a Used Car

A step-by-step look at buying a used car: setting a budget, researching models, checking history, inspecting the vehicle and negotiating with confidence.

By At Your Query Editorial · September 27, 2026 · 4 min read

A used car can be a sensible way to get reliable transport without absorbing the steep loss in value that new cars experience in their first few years. It also comes with more unknowns. A car’s past is not always visible from the outside, and two vehicles of the same make, model and year can be in very different condition. A careful, step-by-step approach reduces the guesswork.

Set the full budget first

The purchase price is only part of what a car costs. Before you start looking, think about the total cost of ownership:

  • Insurance, which can vary considerably between models.
  • Registration, taxes and any transfer fees in your area.
  • Fuel or charging costs based on how much you drive.
  • Routine maintenance and likely repairs as the car ages.
  • Financing costs if you plan to borrow.

Leaving some money aside for early repairs or servicing is wise, since even good used cars often need tyres, brakes or fluids soon after purchase.

Narrow down the right kind of car

Think about how you will use the car day to day. How many people do you usually carry? Do you need cargo space, towing capacity or all-wheel drive? Is most of your driving in the city or on highways? Answering these questions helps you focus on a few suitable models rather than browsing endlessly.

Once you have a shortlist, research each model’s reputation for reliability, common problems at the age and mileage you are considering, and typical running costs. Owner forums and independent reviews can reveal issues that do not show up in sales listings.

Dealer or private seller

Both have advantages.

Dealers often handle paperwork, may offer financing and sometimes provide a limited warranty. Some sell certified pre-owned vehicles that have been inspected and come with extended coverage. Prices are often higher to cover these services.

Private sellers may offer lower prices and can usually tell you more about the car’s history firsthand. However, there is typically no warranty, and you will handle the paperwork and payment yourself. Consumer protections for private sales are often more limited.

Check the vehicle’s history

A vehicle history report, available through various services using the car’s vehicle identification number, can reveal important facts:

  1. Reported accidents and the extent of damage.
  2. Whether the car has ever been declared a total loss or has a salvage or rebuilt title.
  3. The number of previous owners.
  4. Odometer readings over time, which can expose tampering.
  5. Whether it was used as a rental, fleet or commercial vehicle.
  6. Outstanding recalls.

Also ask the seller for service records. A thick folder of receipts showing regular maintenance is a good sign. Gaps or a lack of records are not necessarily a deal-breaker, but they mean more uncertainty.

Inspect it yourself

When you see the car in person, take your time and look in good daylight.

  • Exterior. Look for mismatched paint, uneven gaps between panels, rust and signs of repair.
  • Tyres. Uneven wear can indicate alignment or suspension problems.
  • Under the bonnet. Look for leaks, corroded battery terminals and fluid levels. Very clean engine bays on older cars sometimes hide leaks, so stay curious.
  • Interior. Check that seats, seatbelts, windows, locks, air conditioning, heating, lights and the infotainment system all work. Musty smells can point to water leaks.
  • Underneath. Look for drips on the ground where the car has been parked.

Take a proper test drive

Drive the car on a mix of roads if you can, including some higher-speed stretches. Pay attention to how it starts from cold, how smoothly it shifts gears, whether the steering pulls to one side, how the brakes feel and whether there are any unusual noises, vibrations or warning lights. Try parking, reversing and turning at full lock.

Get an independent inspection

For most purchases, paying a qualified mechanic to inspect the car before you buy is money well spent. A mechanic can put the car on a lift, check for hidden damage, read diagnostic codes and estimate upcoming repair costs. A seller who refuses to allow an independent inspection is giving you useful information.

Negotiating the price

Research what similar cars, with comparable age, mileage, condition and features, are selling for in your area. Use any issues found during the inspection as a basis for negotiation. Stay polite and be prepared to walk away; there are almost always other cars available.

If you are buying from a dealer, focus on the total price rather than the monthly payment. A low monthly figure can hide a long loan term or added extras.

Financing a used car

If you need a loan, it often helps to get a pre-approval from a bank or credit union before visiting a dealer. This gives you a point of comparison and makes it easier to judge whether dealer financing is competitive. Loans for older vehicles sometimes come with different terms than those for newer ones.

Completing the sale

Make sure the title is in the seller’s name and free of any outstanding loans or liens. Get a written bill of sale that includes the price, date, vehicle identification number and the names of both parties. Arrange insurance before you drive away, and follow your local process for registering the car in your name.

Settling in

Once the car is yours, consider a basic service if the records are unclear, so you know where you stand with oil, filters and fluids. Starting your own maintenance log from day one makes future upkeep simpler and adds value when it is eventually time to sell.