How to buy a used car

How to Buy a Used Car: The AutoTrader Guide
Buying used is a smart financial move — someone else has already absorbed the sharpest drop in a vehicle's value. But unlike buying new, every used car carries a history, and the quality of your purchase depends on how thoroughly you uncover it. This guide walks you through each step, from your first search to handing over payment.
Before You Start: Clarify Your Needs and Budget
Start with purpose, not model. What does this vehicle actually need to do? Regular highway commuting, city driving, hauling gear, family trips? The answer determines what you're looking for before you spend any time browsing.
Set a complete budget — not just what you're prepared to spend on the vehicle itself. Include insurance (which varies significantly by make, model, and trim), fuel costs, routine maintenance, and a buffer for any repairs the pre-purchase inspection reveals.
If you need financing, talk to your bank or credit union before you start shopping. Knowing your borrowing limit before you browse keeps you focused and gives you leverage with sellers.
Research Before You Contact Anyone
Online research is your best negotiating tool. Before reaching out to any seller, use AutoTrader's "What's My Car Worth?" tool to understand fair market pricing for the vehicles you're interested in. Browse active listings for comparable makes, models, years, and mileage ranges in your area — these are your real competition benchmarks.
Read expert reviews and owner reliability reports for the models on your shortlist. Some vehicles are known for long-term durability; others accumulate costly problems past a certain mileage threshold. That information is accessible and worth finding before you commit.
Keep two or three models in mind. Flexibility gives you negotiating room and protects you from overpaying for one specific listing.
Communicating With the Seller
Once you've found a promising listing, don't rush to see it in person. Ask your questions upfront — by phone if possible.
Confirm the basics: year, actual mileage, number of previous owners, and reason for selling. Ask about the vehicle's service history, any known accidents, and whether there's an outstanding loan on it. If there's a lien on the vehicle, that debt transfers to you at the point of ownership transfer — regardless of whether you knew about it.
Ask whether the seller has service records. A vehicle with documented maintenance history is worth more than a comparable one without it, and a seller who can't produce records is a yellow flag.
An honest seller will answer these questions directly. Vague responses or pressure to come see it before answering are warning signs.
The Inspection and Test Drive
This is the most important step in any used vehicle purchase. Don't skip or rush it.
Exterior: Inspect the body panels carefully under good lighting. Look for misaligned panels, uneven gaps between doors, inconsistent paint sheen, or signs of body filler. These can indicate undisclosed accident repairs.
Interior: Check the condition of the seats, trim, and dashboard. Test every feature: power windows and locks, audio system, climate control, mirrors. A well-maintained interior is generally a reliable indicator of how the rest of the vehicle was cared for.
Under the hood: If you know what you're looking at, check fluid levels, belts, and hoses. If not, have the vehicle inspected by a trusted mechanic before buying. A pre-purchase inspection typically costs between $100 and $150 and can save you from a very expensive mistake.
Test drive: Drive on a variety of roads — city, highway, and parking. Turn the radio off and pay attention. Vibrations, pulling to one side, hesitation in the transmission, or rattles from the body are all negotiating points — or reasons to walk away.
Before You Close: Verify Everything
CARFAX report: This is non-negotiable for any used vehicle purchase. A CARFAX report reveals accident history, outstanding liens, previous provinces of registration, and odometer history. You can get one directly through AutoTrader. Don't buy without it.
Market value: Cross-reference the asking price with AutoTrader's pricing tool and comparable active listings. A seller who won't negotiate on an overpriced vehicle deserves a closer look.
Total cost of ownership: Research insurance costs for this specific model, its fuel type and consumption, and typical maintenance expenses. Some European or luxury models carry high parts costs or long lead times — factor that in.
Documentation: Ask for the service records and all paperwork required for ownership transfer in your province. Requirements vary: Ontario buyers should request a Used Vehicle Information Package; other provinces have their own processes. Check with your provincial Ministry of Transportation for specifics.
Negotiating and Closing
Come to the negotiation table with three things: the vehicle's fair market value, a list of issues from your inspection, and a realistic offer in mind.
If you're offering less than the asking price, justify it. Reference items the inspection flagged, estimated costs to address them, or the gap between the asking price and comparable listings. A fact-based negotiation is more effective than a low offer with no explanation.
If the seller won't move and you're not prepared to pay more, leave the door open. Ask them to reach out if the vehicle doesn't sell. It happens more often than you'd expect.
Pay securely — Interac e-Transfer, bank draft, or certified cheque. Avoid untraceable payment methods. Get insurance in place before driving away, and complete the ownership transfer through your provincial ministry of transportation.
Quick Checklist: Buying a Used Car
- Needs and budget clearly defined, including insurance and maintenance.
- Multiple models researched and compared on AutoTrader.
- Fair market value verified before contacting any seller.
- Key questions asked by phone before scheduling a visit.
- Vehicle inspected in detail — or by a trusted mechanic.
- Test drive completed under varied road conditions.
- CARFAX report reviewed.
- Outstanding liens confirmed as clear.
- Negotiation based on inspection findings and market data.
- Secure payment made and ownership transfer completed through your provincial ministry of transportation.
All Articles
See all
How to sell your car privately
Selling privately takes more effort than a dealer trade-in — but that effort typically translates to hundreds or thousands of dollars more in your pocket. Here's how to get it right from the start.

How to buy a recreational vehicle
Buying a recreational vehicle isn't quite like buying a car. The hidden costs are different, the inspection points are different, and the registration rules vary by what you're buying. Here's what to know before you commit.

How to buy a new car
Buying a new car is one of the biggest financial decisions you'll make. Being well-prepared before you set foot in a dealership means you negotiate better, spend smarter, and drive away with the right vehicle.