Business Vehicle Tax Deduction Guide

I use my vehicle for business purposes and want to maximize my tax deduction.

Vehicle usage details:
- Vehicle type: [Car/Truck/SUV/Van]
- Vehicle cost/value: [Amount]
- Year purchased: [Year]
- Total miles driven this year: [Number]
- Business miles driven: [Number]
- Personal miles driven: [Number]
- Vehicle weight (GVWR): [If known, for heavy vehicle rules]

Actual expenses this year:
- Gas/fuel: [Amount]
- Insurance: [Amount]
- Repairs/maintenance: [Amount]
- Registration fees: [Amount]
- Loan interest: [Amount]
- Depreciation: [If you know it]

Please provide:
1. Standard mileage rate calculation
2. Actual expense method calculation
3. Comparison of which method is better
4. Heavy vehicle (SUV) deduction rules if applicable
5. Documentation and logging requirements
6. When you can switch between methods
7. Lease vs. own tax implications
8. How to handle mixed personal/business use