If I Bought a Used Car, Can I Claim It on My Taxes?

If you bought a used car for personal driving, you generally can’t claim the car itself on your federal taxes — the IRS treats it as a consumer purchase, not a write-off. There are still a few tax breaks worth checking: the sales tax you paid, part of your annual registration fee, and a federal credit of up to $4,000 if the car is a qualifying used electric or plug-in hybrid vehicle. If you use the vehicle in a trade or business, the picture changes completely, and under current law you may be able to deduct nearly the entire business-use share of the cost in the first year.

Personal Use: What You Can and Can’t Claim

A used car driven only for commuting, errands, and family trips produces no deduction for the vehicle itself. What it can produce is a few smaller items on Schedule A, plus one credit that stands on its own.

Sales Tax You Paid at Purchase

If you itemize, you can choose to deduct either state and local income taxes or state and local sales taxes, not both. In a state with no income tax, or in any year you made a large purchase like a car, the sales tax election is often the better deal. Sales tax paid on a motor vehicle counts as a general sales tax even if the state taxes vehicles at a different rate from other goods.¹

Rather than keeping every receipt, use the IRS Sales Tax Deduction Calculator to estimate your baseline sales tax from income, family size, and local rates, then add the actual sales tax paid on the car on top.²

All state and local taxes combined — income or sales taxes plus property taxes — are capped at $40,000 per year ($20,000 if married filing separately), adjusted annually for inflation. The cap phases down for filers with modified adjusted gross income above $500,000 ($250,000 if married filing separately) but cannot fall below $10,000 ($5,000 if married filing separately).¹ Most filers take the standard deduction, in which case none of this applies.

The Value-Based Piece of Your Registration Fee

Part of your annual vehicle registration may qualify as a deductible personal property tax on Schedule A, but only the portion that is based on the vehicle’s value and charged yearly.³ A flat administrative fee doesn’t count. Many states split the bill into a flat charge plus an ad valorem component; only the ad valorem piece is deductible. It sits under the same SALT cap as your sales tax and property taxes.

The Used Clean Vehicle Credit (Up to $4,000)

If your used car is an electric vehicle or plug-in hybrid, the Section 25E Used Clean Vehicle Credit can be worth up to $4,000. The credit equals the lesser of $4,000 or 30% of the sale price.⁴ To qualify, the vehicle and buyer must meet all of the following:

Sale price no more than $25,000.
Model year at least two years older than the calendar year of purchase (for a 2026 buy, model year 2024 or earlier).
Purchase from a licensed dealer registered with the IRS, not a private seller.
Modified adjusted gross income no more than $150,000 for joint filers, $112,500 for head of household, or $75,000 for all other filers. You can use the lower of the current or prior year’s MAGI.
The vehicle has not been transferred to another qualified buyer after August 16, 2022.
You have not claimed a Used Clean Vehicle Credit in the three years before the purchase date.

The credit is nonrefundable, so it can zero out your tax bill but won’t generate a refund by itself.⁴ You don’t have to wait until you file, though. You can transfer the credit to the dealer at the time of sale and get the amount taken directly off your purchase price. Partial transfers aren’t allowed, and if your income later turns out to exceed the limit, you’ll owe the credit amount back as additional tax.⁵ Some states run their own used-EV incentive programs; check your state energy or tax agency for current offerings.

One Deduction That Sounds Like It Should Apply but Doesn’t

The One Big Beautiful Bill Act created a new deduction for car loan interest starting with the 2025 tax year. It does not cover used cars. The vehicle’s original use must begin with the buyer, so a used car is out even if it’s new to you.⁶ If you finance a used car and use it partly for business, the interest tied to business use is still deductible as a business expense on Schedule C; the personal-use portion is not.

If You Use the Car for Business

Business use is where a used car deduction actually gets large, but it’s limited to self-employed people and business owners. W-2 employees who drive their own car for work cannot deduct those costs on their federal return, even if their employer doesn’t reimburse them. The Tax Cuts and Jobs Act suspended the unreimbursed employee expense deduction, and the One Big Beautiful Bill Act made that suspension permanent.⁷ Narrow exceptions remain for Armed Forces reservists, certain fee-basis state and local officials, qualified performing artists, and eligible educators.⁸

Business Use Percentage Controls Everything

Only the business-use share of the car’s costs is deductible. Drive it 70% for business and 30% for personal reasons, and you deduct 70%. Business miles include travel between two work locations in the same day (even for different employers) and trips from home to a temporary work location outside your metropolitan area. Commuting from home to a regular office is always personal, no matter how far.⁹

The IRS expects a contemporaneous mileage log showing the date, destination, business purpose, and miles driven for each business trip.¹⁰ A log kept weekly is fine. One reconstructed from memory before an audit is not, and sloppy records are the fastest way to lose every vehicle deduction you claimed.

Standard Mileage or Actual Expenses

You pick one of two methods the first year you place the used car in business service, and switching later is restricted.

The standard mileage rate for 2026 is 72.5 cents per business mile.⁷ Multiply that by your business miles for the year. The rate covers fuel, insurance, repairs, maintenance, and depreciation in one number, so you don’t deduct any of those separately. Business-related parking and tolls stack on top under either method.¹¹ Mileage tends to win when you drive a lot of business miles in a moderately priced car.

The actual expense method means totaling every operating cost — gas, oil, repairs, tires, insurance, registration, and depreciation on the purchase price — and multiplying by your business-use percentage.¹¹ If you lease, lease payments take the place of depreciation. More bookkeeping, often a bigger deduction on an expensive vehicle.

Depreciation, Section 179, and Bonus Depreciation

Under the actual expense method, depreciation is usually the largest number. Used cars placed in business service are five-year property under MACRS, reported on Form 4562.¹² Two provisions can pull most or all of that write-off into the first year.

Section 179 lets you expense a vehicle’s cost in the year you start using it for business. For heavier SUVs and trucks with a gross vehicle weight rating between 6,001 and 14,000 pounds, the Section 179 deduction is capped at $31,300 for 2026.¹²

Bonus depreciation is back to 100% permanently for qualified property acquired after January 19, 2025, courtesy of the One Big Beautiful Bill Act. Used property qualifies as long as the vehicle is new to you and your business.¹³ For a heavy SUV or truck over 6,000 pounds GVWR, Section 179 plus 100% bonus depreciation on the remainder often writes off the entire purchase price in year one.

Lighter vehicles — passenger automobiles with a GVWR of 6,000 pounds or less — are subject to the luxury auto depreciation caps. Under Revenue Procedure 2026-15, first-year depreciation for a car placed in service in 2026 is capped at $20,300 with bonus depreciation or $12,300 without, with lower caps in later years.¹⁴ Those caps assume 100% business use and are reduced proportionally for lower business-use percentages. Because the annual caps add up to less than the price of most cars, fully recovering the cost of a passenger vehicle usually takes longer than five calendar years.

What Happens Later: Recapture and Sale

If business use drops to 50% or less during the recovery period, you lose Section 179 and bonus depreciation going forward, and the excess amounts you already claimed get added back to income as ordinary income in the year of the drop. From there you switch to straight-line depreciation for the remaining recovery period.¹² If your business use is borderline, a big front-loaded deduction you have to give back is worse than a slower one that stays put.

Every dollar of depreciation reduces the vehicle’s adjusted basis. When you sell for more than that reduced basis, the gain up to the amount of prior depreciation is taxed as ordinary income under Section 1245 recapture rules, not at capital gains rates. Buy a car for $30,000, claim $18,000 in depreciation, sell for $15,000, and your $3,000 gain over the $12,000 basis is fully recaptured at ordinary rates. Sell at a loss versus the adjusted basis, and there is no recapture.

1
Internal Revenue Service. Instructions for Schedule A (Form 1040) (2025)
2
Internal Revenue Service. Use the Sales Tax Deduction Calculator
3
Internal Revenue Service. Topic No. 503, Deductible Taxes
4
Office of the Law Revision Counsel. 26 USC 25E – Previously-Owned Clean Vehicles
5
Internal Revenue Service. Topic H – Frequently Asked Questions About Transfer of New Clean Vehicle Credit and Previously Owned Clean Vehicles Credit
6
Federal Register. Car Loan Interest Deduction
7
Internal Revenue Service. IRS Sets 2026 Business Standard Mileage Rate at 72.5 Cents Per Mile, Up 2.5 Cents
8
Internal Revenue Service. Here’s the 411 on Who Can Deduct Car Expenses on Their Tax Returns
9
Internal Revenue Service. Publication 463 (2025), Travel, Gift, and Car Expenses
10
Internal Revenue Service. Publication 463 (2025), Travel, Gift, and Car Expenses – Section: Recordkeeping
11
Internal Revenue Service. Topic No. 510, Business Use of Car
12
Internal Revenue Service. Publication 946 (2025), How To Depreciate Property
13
Internal Revenue Service. Treasury, IRS Issue Guidance on the Additional First Year Depreciation Deduction Amended as Part of the One Big Beautiful Bill
14
Internal Revenue Service. REV. PROC. 2026-15