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Writing off a business-use vehicle can offer substantial tax savings—but only when done strategically. Self-employed individuals, gig workers, and business owners can deduct auto-related costs through Section 179, bonus depreciation, or the standard mileage rate.
However, in some situations, it’s smarter to wait or use the mileage method instead.
This guide covers eligibility, deductible expenses, vehicle classification rules, and timing strategies—updated for 2025 mileage rates, depreciation caps, and IRS compliance standards.