Overview
The base you're taxed on moves too: dealers subtract your trade-in before applying the rate, but private-party sellers offer no such credit. Sell - or buy - a car for less than it's worth and Pennsylvania's Department of Revenue can override your stated price with the vehicle's fair market value if it looks understated. And if the vehicle changes hands as a genuine gift, Pennsylvania's rule is more generous than most states': a properly filed affidavit zeroes out the tax for any recipient, not just close family.
01 - Official fees
Pennsylvania car sales tax fees at a glance
| Fee | Amount | Notes |
|---|---|---|
| Standard state rate | 6% | applies statewide |
| Allegheny County add-on | +1% | 7% total |
| Philadelphia add-on | +2% | 8% total |
| Dealer sale base | price − trade-in | |
| Private sale floor | max(price, 80% of avg. fair market value) | |
| Bona fide gift (MV-13ST affidavit) | $0 | |
| Understated/nominal 'sale' | taxed on fair market value |
Figures verified June 2026 against official sources (listed below). Always confirm the final amount with an authorized PennDOT agent, notary, or online messenger service (PennDOT itself has no walk-in tag counters) - counties can add small local fees.
03 - Same state, other costs
More Pennsylvania vehicle costs
04 - Common questions
Pennsylvania car sales tax FAQ
Why did my Pittsburgh friend pay less tax than me in Philadelphia on the same car?
County of registration sets the rate: 6% almost everywhere, 7% in Allegheny County (Pittsburgh), and 8% in Philadelphia - the two highest-population areas both carry a local add-on the rest of the state doesn't.
Does trading in my old car reduce the tax I owe?
Only at a dealership. The dealer applies your trade-in allowance against the new vehicle's price before calculating tax. Buy privately and there's no such offset - you're taxed on the full agreed price (or fair market value, if higher and undocumented).
What is the Motor Vehicle Understated Value Program?
A Department of Revenue check on private-party sales: if your stated price is under 80% of the vehicle's average fair market value - or under $500 on a car older than 15 years - the sale gets flagged. You then submit real proof of the price (a bill of sale, financing paperwork, insurance appraisal) via Form MV-3, or PennDOT taxes you on fair market value instead.
Can I gift a car to a friend tax-free, or only to family?
Any recipient - Pennsylvania's gift exemption (Form MV-13ST, Exemption 13) isn't restricted to relatives. Both parties swear that nothing of value - cash, services, forgiven debt, a trade - changed hands. Do that honestly and the tax is $0 regardless of the relationship.
Can I just 'sell' my car to my kid for $1 instead of gifting it?
Don't - a $1 payment is still consideration, so it isn't a bona fide gift under MV-13ST, and it's exactly the kind of nominal sale the Understated Value Program is built to catch. You'd end up taxed on fair market value. File the honest $0 gift affidavit instead; it's cleaner and cheaper.
Do I owe Pennsylvania tax on a car I already paid tax on in another state?
Pennsylvania credits sales or use tax you legally paid to another state, up to what PA's own rate would have been. If the other state's rate was lower than yours here, PA collects the difference when you title the vehicle.
Are manufacturer rebates taxed in Pennsylvania?
No - Pennsylvania sales tax applies to the price after manufacturer rebates are subtracted, the same treatment it gives trade-ins on dealer sales.
05 - Receipts
Official sources
Every number on this page comes from these documents - check them yourself.