When is the best time to buy a used car?

Almost every article on timing a car purchase is really about new cars: end of quarter, end of month, salespeople chasing a bonus, run-out models before a facelift. None of that describes the used market, which runs on supply, not on quotas.

What actually moves used prices

Used stock arrives from three places: trade-ins, lease returns and fleet disposals. When those arrive in volume, prices soften. When they dry up, prices firm. That is essentially the whole mechanism.

• Lease returns cluster around the anniversaries of strong sales months, typically spring and early autumn
• Trade-ins spike alongside new car promotions and around tax refund season
• Fleet disposals arrive in batches, often at the end of a financial year

The months that are genuinely softer

January and February

Demand collapses after the holidays while supply from year-end trade-ins is still working through. Fewer buyers, more cars. Convertibles and sports cars in particular sit at their weakest point of the year in mid-winter.

Late September through October

New model-year arrivals push a wave of trade-ins onto the market at the same moment summer buying enthusiasm fades. Good breadth of choice and prices that have come off the summer peak.

The months to avoid if you can

March through May is peak demand: tax refunds arrive, the weather improves and everybody decides at once. Add convertibles in June and four-wheel drives after the first serious snowfall — both seasonal spikes are entirely predictable and entirely avoidable by buying six months out of phase.

The thing that beats timing

Waiting two months for a better market saves a few hundred dollars. Buying the right car saves thousands. A well-documented, properly inspected car bought in a strong market is a far better outcome than a bargain in January with an unknown history and a gap in the service record.

The condition of the specific car in front of you outweighs the month on the calendar, every time.

And where prices are fixed and published rather than negotiated, timing matters less still. The number does not move because you walked in on the 31st — which also means it does not move against you because you walked in on the 1st.