Sales Tax on Used Cars in NY: Rates, Trade-Ins, and Exemptions

Sales tax on used cars in New York is 4% to the state plus a local rate set by your county, city, or school district, and in much of the state the combined rate lands above 8%. The tax is calculated on whichever is higher: the price you actually paid or the vehicle’s fair market value. A dealer collects it at the time of sale; in a private sale, the DMV collects it when you register the car, and no registration happens without it.

Your Rate Depends on Where You Live

The local portion of the tax follows the address where you register the vehicle, not where you bought it.¹ If you live in the Metropolitan Commuter Transportation District, add another 0.375% on top. That district covers the five boroughs plus Dutchess, Nassau, Orange, Putnam, Rockland, Suffolk, and Westchester counties.²

A New York City buyer pays 8.875% (4% state, 4.5% city, 0.375% MCTD). A buyer in a county with a 4% local rate and no MCTD obligation pays 8%. The Department of Taxation and Finance publishes current rates by jurisdiction, and it is worth confirming yours before you sign anything so the number at the DMV counter is not a surprise.

Fair Market Value Can Override Your Price

New York does not automatically accept the price on your bill of sale. If the Tax Department decides the car’s fair market value is higher than what you paid, tax is calculated on that higher figure.³ The department relies on published pricing guides, so if you paid $8,000 for a car that books at $11,000, plan on being taxed on $11,000.

You can still be taxed on the lower price if it was legitimate. Mechanical problems, body damage, or unusually high mileage all justify paying under book. On Form DTF-802, the seller completes the affidavit section explaining why the vehicle sold for less than fair market value and signs under penalty of perjury. Repair estimates, photos, or a mechanic’s inspection report strengthen the claim.

If you need to register the car before the Tax Department finishes its review, you can pay tax on the full fair market value up front and request a refund once the lower price is approved.³ It is an extra step, but it keeps your registration moving.

Who Collects the Tax

Buy from a New York dealer and the dealer collects the sales tax at the time of sale and remits it to the state. Your dealer bill of sale shows the tax was paid, and the DMV will not collect it again when you register.⁴

In a private sale, no one remits the tax for you. The buyer and seller complete Form DTF-802 together, and the buyer brings it to a DMV office. The DMV calculates the tax, collects it on the spot, and issues a receipt.⁴ You cannot register the car until you pay.

Trade-Ins Reduce the Taxable Amount

When you trade in a vehicle at a dealership, the trade-in value comes off the purchase price before tax is calculated. Buy a used car for $22,500 with a $4,500 trade-in and you pay sales tax on $18,000. At an 8% combined rate, that saves you $360.⁵

The credit only works when the dealer intends to resell the traded car, and it applies only to the specific vehicle you are buying in that transaction. Leftover trade-in value cannot be banked for a future purchase or applied to something else.⁵ An outstanding loan on the trade-in does not shrink the credit; it is based on the agreed allowance, not on what you still owe.

Gifts Between Immediate Family Are Exempt

A vehicle gifted to you by an immediate family member carries no sales tax. The qualifying relationships are narrow: spouse, parent, child, stepparent, or stepchild.⁶ Siblings, grandparents, aunts, uncles, and in-laws are not covered, and neither are transfers between friends.

To claim the exemption, complete Form DTF-802 and mark the transaction as a gift. The donor fills out the affidavit certifying no money changed hands, and you bring the form to the DMV with your registration paperwork.⁴ A “gift” that looks like a disguised sale will get questioned, and lying on the affidavit carries penalties.

Buying Out of State

Crossing a state line does not get you out of the tax. When you bring the car home and register it, you owe New York use tax at your local combined rate. If you already paid sales tax to the other state, New York may credit that payment against what you owe here. Reciprocity is not universal, so the credit is not guaranteed.⁴

You will need Form DTF-804 and the out-of-state dealer’s bill of sale showing both the purchase price and the tax paid. If the other state’s rate was lower, you pay the difference. If it was equal or higher, you generally owe nothing more. If the other state has no reciprocal agreement with New York, you may end up paying the full New York tax on top of what you already paid.

Form DTF-802 Is the Paperwork That Matters

Form DTF-802, “Statement of Transaction — Sale or Gift of Motor Vehicle, Trailer, All-Terrain Vehicle (ATV), Vessel (Boat), or Snowmobile,” is required for nearly every private used car sale. You can download it from the Department of Taxation and Finance or pick one up at a DMV office.⁴ It collects vehicle details, buyer and seller identification, the sale date, and the purchase price. Both parties sign, certifying the information is accurate. If the price is below fair market value, the seller also completes the affidavit in Section 6.³

Get the form completed at the time of sale while the seller is standing there. Tracking someone down weeks later for a signature is one of the most common headaches in private transactions, and the DMV will not process your registration without a fully signed form.

Do Not Write a False Price

Agreeing with a seller to put a lower number on Form DTF-802 to shave the tax is a shortcut with real teeth. The buyer and seller certifications warn that filing a false statement to evade tax is a misdemeanor under New York Tax Law section 1817(b) and Penal Law section 210.45, punishable by a fine up to $10,000 for an individual or $20,000 for a corporation.³ The Tax Department checks reported prices against book values, so a suspiciously low number invites scrutiny. Saving a few hundred dollars is not worth a criminal charge and a five-figure fine.

1
Department of Taxation and Finance. Motor Vehicles, Vessels, and Trailers – Tax Bulletin ST-590 (TB-ST-590)
2
Department of Taxation and Finance. Sales Tax Rates, Additional Sales Taxes, and Fees
3
NY DMV. Form DTF-802: Statement of Transaction – Sale or Gift of Motor Vehicle, Trailer, All-Terrain Vehicle (ATV), Vessel (Boat), or Snowmobile
4
NY DMV. Sales Tax Information
5
New York State Department of Taxation and Finance. Taxable Receipt – How Discounts, Trade-Ins, and Additional Charges Affect Sales Tax
6
NY DMV. Buy, Sell, or Transfer Vehicle Ownership