Yes, you can write off (deduct) some costs of a new car, but usually not the whole purchase price at once unless it's a heavy SUV/truck, depending on your business use, with methods like Section 179, bonus depreciation, standard mileage, or actual expenses, plus potential sales tax deductions if itemizing or car loan interest deductions for US-made vehicles under certain income limits in 2025. The key is proving business use and choosing the best deduction method for your situation, often a mix of depreciation and operating costs.
You can't usually claim the cost of a car on your taxes if it's for personal use. But if you use the car for business, certain deductions may apply. You may also qualify for specific benefits like sales tax (if you itemise) or a clean vehicle credit (for certain EVs).
You can deduct car expenses only if you are self-employed as a contractor (freelancer or gig worker), or you are a business owner. You may be able to deduct all or part of the purchase price of your vehicle in the first year of business use, using the Section 179 deduction.
Yes, you can reduce taxes on a new vehicle purchase through deductions for sales tax (if itemizing and it exceeds income tax) or a new car loan interest deduction (up to $10k for 2025-2028 vehicles), plus potential clean vehicle tax credits (up to $7,500 for new EVs/FCVs) or business deductions (depreciation, Section 179) if used for work, offering significant savings depending on your situation and vehicle type.
The "20% rule" in car buying usually refers to the 20/4/10 Rule, a guideline suggesting you put 20% down, finance for no more than 4 years, and keep total car expenses (payment, insurance, gas, maintenance) to 10% or less of your gross monthly income. This helps prevent overspending by reducing loan amounts, keeping loan terms short to pay less interest, and ensuring total costs don't strain your budget.
Yes, you can write off 100% of a vehicle's cost in the first year for business use, but it generally requires the vehicle to be a heavy-duty truck, van, or SUV (over 6,000 lbs Gross Vehicle Weight Rating or GVWR) and used exclusively for business, leveraging Section 179 deduction and bonus depreciation. Lighter passenger vehicles have strict caps, even if used 100% for business, with maximum first-year depreciation limits (around $20,200 for 2025).
You can claim a maximum of 5,000 work-related kilometres per car. You need to keep records that show how you work out your work-related kilometres.
Let's look at some things to keep under your hat while you explore the lot.
Dave Ramsey's core car buying rule is to pay cash for a reliable used car, avoiding debt and new car depreciation; he suggests only buying new if you're a millionaire, and generally, the total value of all your vehicles shouldn't exceed 50% of your annual income. His philosophy emphasizes buying what you can afford outright, viewing cars as depreciating assets that shouldn't trap you in debt.
While new cars aren't fully tax-deductible. you can write off some of the cost. Learn how, and what other car expenses you can deduct for a lower tax bill. Buying a car for business use lets you deduct certain costs, but you generally can't write off the entire purchase price in one year.
A higher tax refund comes from paying more tax throughout the year than you actually owe, usually by over-withholding on your paycheck or by claiming valuable tax credits and deductions that reduce your final tax bill, like for education, retirement (Saver's Credit), or energy efficiency. Maximizing deductions (itemizing or taking above-the-line ones like IRA contributions) and qualifying for specific credits are key, as are adjusting your W-4 form to withhold more tax from each paycheck, according to TurboTax and Forbes.
You will have to choose between taking a deduction for sales tax or for your state and local income tax. You can deduct sales tax on a vehicle purchase, but only the state and local sales tax. You'll only want to deduct sales tax if you paid more in state and local sales tax than you paid in state and local income tax.
Depreciation. Cars reportedly lose 20% of their value in the first year of ownership and retain just 40% of their original value after five years. Clearly, that is not a good investment. “Your goal should be to buy the least expensive car. Period,” said Orman. “That should steer you to a used car rather than a new car. ...
The best way to finance a car involves getting preapproved from a bank or credit union before visiting the dealership to compare rates, making a significant down payment (15-20% is ideal), keeping loan terms shorter (around 48-60 months), and negotiating the total car price separately from the financing, allowing you to get a lower interest rate and save money long-term. Leasing or other options like PCP/HP exist, but a direct loan with good credit offers the most equity.
For years, dealerships have been using a tactic called a “four square”—a sheet of paper divided into four boxes where the salesperson will write down your trade value, the purchase price of the vehicle you're buying, your down payment, and your monthly payment.
✅ For sole traders – Buying a car personally and claiming mileage is usually simpler and more tax-efficient unless it's an electric car. ✅ For limited companies – An electric company car can be tax-efficient, but petrol/diesel cars often trigger high BiK taxes.
The $20,000 limit under the measures applies on a per asset basis, so small businesses can instantly write off multiple assets. Assets valued at $20,000 or more can continue to be placed into the small business pool and depreciated at 15% in the first income year and 30% each income year after that.