Can You Write Off a Leased Car for Business? A Comprehensive Tax Guide with 2025 Updates

Leasing a vehicle for business purposes can offer significant tax advantages. However, it’s essential to understand the IRS rules to maximize deductions and ensure compliance. This guide provides an updated overview for 2025, covering:

  • Deduction methods for leased vehicles
  • Business use percentage and documentation requirements
  • Lease income inclusion rules
  • A comparison of leasing versus buying for tax purposes

Deducting a Leased Car for Business Use

If you lease a vehicle and use it for business, the IRS allows deductions for associated expenses. It’s important to note that only the portion related to business use is deductible.

There are two primary methods for claiming deductions:

1. Standard Mileage Rate Method

This method permits a deduction based on a fixed rate per business mile driven.

  • 2025 IRS Standard Mileage Rate: 70 cents per mile 
  • Once this method is chosen, it must be used for the entire lease term and cannot be switched to the actual expense method later.
  • Lease payments are not separately deductible under this method, as the mileage rate already accounts for depreciation and maintenance.

2. Actual Expense Method

This method allows deductions for actual vehicle expenses, including:

  • Lease payments
  • Fuel and maintenance
  • Auto insurance
  • Registration fees

If the vehicle is used for both business and personal purposes, only the business-use portion is deductible. For instance, if 80% of the vehicle’s use is for business, 80% of the lease payments and related expenses can be deducted.

However, businesses leasing high-value vehicles must consider lease income inclusion, which can reduce the deductible lease expense.

Understanding Lease Income Inclusion

Lease income inclusion is an IRS rule designed to prevent taxpayers from obtaining a disproportionate tax advantage by leasing high-value vehicles instead of purchasing them. This rule reduces the deductible lease payments for vehicles that exceed a specified fair market value (FMV) at the start of the lease.

When Does Lease Income Inclusion Apply?

Lease income inclusion applies if the vehicle’s FMV exceeds the IRS threshold in the year the lease begins. For 2024, the FMV threshold is $62,000 for passenger automobiles. While the 2025 thresholds have not been released yet, they are typically adjusted annually for inflation. 

How Lease Income Inclusion Works

If lease income inclusion applies, the taxpayer must report a small portion of the vehicle’s FMV as additional income each year. The inclusion amount is determined using IRS tables published annually.

For example, if a vehicle has an FMV of $70,000, the IRS may require reporting an inclusion amount of $300 per year. If the vehicle is used 80% for business, only 80% of this inclusion amount ($240) is reported as taxable income.

Lease income inclusion applies only when using the actual expense method. Taxpayers using the standard mileage rate do not need to account for this.

Leasing vs. Buying a Business Vehicle: Tax Implications

FactorLeasingBuying
Tax DeductionsLease payments (subject to lease income inclusion)Depreciation and potential Section 179 deduction
Upfront CostLowerHigher
OwnershipNo ownershipFull ownership
FlexibilityEasier to upgrade vehiclesLong-term asset retention
Mileage LimitsLeases may have restrictionsNo mileage limits

Leasing is often preferable for businesses seeking lower upfront costs and frequent vehicle upgrades, whereas purchasing may be more beneficial for those looking to claim depreciation and retain long-term asset value.

Maximizing Tax Deductions for a Leased Vehicle

To ensure compliance with IRS regulations and maximize deductions:

  • Track Mileage Accurately: Maintain a log detailing business versus personal mileage.
  • Keep Detailed Records of Expenses: Document lease payments, fuel, maintenance, insurance, and registration fees.
  • Review IRS Lease Inclusion Tables Annually: If lease income inclusion applies, ensure the correct amount is added to taxable income.
  • Consult a Tax Professional: A CPA can help determine whether leasing or purchasing is the more tax-efficient option.

Conclusion

Leasing a vehicle for business use can provide significant tax benefits, but it’s crucial to follow IRS guidelines. Understanding deduction methods, lease income inclusion, and proper recordkeeping can help maximize tax savings while ensuring compliance. For personalized tax guidance on vehicle deductions, consult with a CPA to determine the best approach for your business needs.

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