I used my car for Uber Lyft 100% business use in 2023. Can I claim all interest payments on my car?
If you use a vehicle for business purposes may claim a tax deduction for car loan interest.
The law requires that you substantiate your expenses by adequate records or by sufficient evidence to support your own statement. For further information on recordkeeping, refer to Topic no. 305.
For more information check: What self-employed expenses can I deduct?