In Pennsylvania , buying a vehicle generally incurs a on the purchase price. This rate increases for residents of specific jurisdictions: Philadelphia residents : 8% total (6% state + 2% local). Allegheny County residents : 7% total (6% state + 1% local). Key Tax Considerations

: Sales tax is typically applied to the price after rebates are deducted.

: If you buy a used car privately for significantly less than its fair market value, the PA Department of Revenue may review the deal and assess tax based on the vehicle's actual market value .