
Depreciating a vehicle can be a complex process, but it's essential for businesses to understand the rules. The IRS allows businesses to depreciate vehicles, but only up to a certain amount.
You can depreciate a vehicle using the Modified Accelerated Cost Recovery System (MACRS), which allows businesses to write off a portion of the vehicle's cost each year. This can be done for vehicles with a gross vehicle weight rating of over 6,000 pounds.
To depreciate a vehicle, you'll need to keep accurate records of the vehicle's purchase price, financing costs, and any trade-ins. You should also consult with a tax professional to ensure you're following the correct procedures.
For vehicles with a gross vehicle weight rating of 6,000 pounds or less, the IRS requires businesses to use the standard mileage rate, which is 58 cents per mile for 2022.
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Business Vehicle Expenses
You can depreciate a vehicle and take mileage deductions, but it's essential to understand the differences between these two methods.

To claim a depreciation tax deduction, you can use any asset that's used for business, including vehicles. There are three methods to calculate this deduction.
The standard mileage rate covers a variety of car-related expenses, including the price of gasoline, wear-and-tear, oil, maintenance, repairs, and more. The IRS sets this rate every year.
If you use the standard mileage rate, you'll get a fixed deduction rate no matter how much your car is worth. This can be beneficial for smaller cars or those with many business miles.
You can also use the actual expense method, which requires detailed record keeping of every single expense, including gas, oil, repairs, and depreciation.
Business use of a vehicle includes visiting clients, meeting with suppliers, picking up and delivering items to clients, and driving to the bank for a business transaction. You can claim a deduction on the portion of the car used for business.
To claim a Section 179 deduction, you must purchase the vehicle for business, use it for business more than 50% of the time, and only deduct the business use of the car. This deduction helps offset the purchase cost of business property, including vehicles.
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Here are the key expenses to track for actual expense method:
- Gas and oil
- Repairs and maintenance
- Depreciation of your original vehicle and improvements
- Car repair tools
- License fees
- Parking fees for business trips
- Registration fees
- Tires
- Insurance
- Car washing
- Lease payments
- Towing charges
- Auto club dues
Keep in mind that you cannot use the standard mileage deduction if you've taken the Section 179 deduction in the same year.
Depreciation and Write-Offs
You can depreciate a vehicle over time, which means you can deduct a portion of its cost from your taxes each year. The standard mileage rate includes an amount for depreciation, which reduces the adjusted basis of the vehicle when you sell or dispose of it.
The standard mileage rate for 2024 is 67 cents per mile, and the equivalent vehicle depreciation included is 30 cents per mile. If you use the actual expenses method and the vehicle was acquired new in 2024, the maximum first-year depreciation deduction, including bonus depreciation, for an auto is $20,400.
You can choose between the standard mileage rate and actual expenses method to calculate the deductible amount. If you use the standard mileage rate, you can claim an unreimbursed employee business expense deduction as a miscellaneous itemized deduction on Schedule A of Form 1040.
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Here's a comparison of the two methods:
You can depreciate a vehicle using the Modified Accelerated Cost Recovery System (MACRS) 200% Declining Balance method, which provides the greatest deduction in the first years you use your vehicle. You can also use the Straight Line method, which requires equal expensing each year, or the MACRS 150% Declining Balance method.
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Mileage Expense Methods
You can claim a car mileage tax deduction using either the standard mileage deduction or actual expenses deduction. This will be reported on Schedule C.
If you used the standard mileage rate for the first year your vehicle was in service, you can switch to the actual expenses method in subsequent years.
You can calculate both methods and use whichever gives you a larger deduction.
Here are the two methods:
The standard mileage rate can be a simple way to calculate your mileage expense, but it may not give you the largest deduction. You should calculate both methods to determine which one gives you the larger deduction.
Tax Deductions and Savings

If you use your vehicle for business, you can claim a tax deduction for business use of car. You can deduct the actual cost of using your car for business, plus depreciation, but this method requires more record keeping.
To determine your business use of vehicle, you need to keep a log of business miles driven and hang onto receipts for gas and repairs. You can also use the standard mileage rate, but this method is simpler and requires less record keeping.
If you buy a vehicle for business use, you may be eligible to claim a Section 179 deduction. This deduction helps offset the purchase cost of business property, including vehicles. To claim a Section 179 deduction, you must purchase the vehicle for business, use it for business more than 50% of the time, and take the deduction in the year you buy and place the vehicle in service.
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Here are the steps to follow:
- Purchase the vehicle for business
- Use the vehicle for business more than 50% of the time
- Take the deduction in the year you buy and place the vehicle in service
- Understand Section 179 limits, such as the annual deduction amount limit
- Reduce your depreciable basis in the car by the amount of the deduction
- Not claim the standard mileage tax deduction in the same year
You can also use the Modified Accelerated Cost Recovery System (MACRS) to calculate depreciation. This method provides the greatest deduction in the first years you are using your vehicle. You can also use the Straight Line method, which is required if you use your vehicle for business purposes less than 50% of the time.
Here are the depreciation methods you can use:
- MACRS 200% Declining Balance: This method provides the greatest deduction in the first years you are using your vehicle.
- Straight Line: This method is required if you use your vehicle for business purposes less than 50% of the time.
- MACRS 150% Declining Balance: This method records more depreciation at the beginning of the five year period than the Straight Line method.
Remember to keep detailed records of your vehicle expenses to claim tax deductions.
Choosing a Method
If you're not sure about depreciating a vehicle and taking mileage, it's a good idea to use the standard mileage rate the first year you use the car for business.
Unfortunately, if you lease your car and use the standard mileage rate for the first year, you must use it for the entire lease period.
You can choose to use either method, but be aware of the rules that apply to leased cars.
Leasing your car can limit your options when it comes to choosing a method for business use.
Frequently Asked Questions
How does mileage affect car depreciation?
Mileage is a significant contributor to car depreciation, as high mileage can lead to wear and tear, reducing a vehicle's overall condition and performance. The more miles driven, the greater the depreciation.
Sources
- https://flyfin.tax/business-deductions/car-tax-write-off
- https://turbotax.intuit.com/tax-tips/small-business-taxes/business-use-of-vehicles/L6hi0zzzh
- https://mileiq.com/blog/standard-mileage-rate-or-actual-expenses
- https://www.patriotsoftware.com/blog/accounting/business-use-vehicle/
- https://www.hurdlr.com/deductions/car-depreciation-tax-deductions
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