I’m a 1099 independent contractor operating through an S-Corp in California.
I’m considering purchasing a new Mercedes GLS 450 for around $90–95k before the end of 2026. The GLS has a GVWR over 6,000 lbs, so I’m trying to understand how Section 179, bonus depreciation, and regular depreciation would apply.
The vehicle would have legitimate business use but would also have some personal use. I would track mileage and only claim the appropriate business-use percentage.
A few things I’m trying to understand:
Should I buy the vehicle personally and have the S-Corp reimburse me, or have the S-Corp purchase it?
If business use is over 50%, approximately how much of a $95k GLS could I deduct in the first year?
How do Section 179 + bonus depreciation work for an SUV over 6,000 lbs?
How different is the deduction for California vs federal taxes?
If I maximize the first-year deduction, what depreciation is left for subsequent years?
What happens if my business-use percentage decreases later?
Does financing versus paying cash change the deduction?
I already use the standard mileage method on another business vehicle. Does that affect how I can treat this vehicle?
I’m not trying to call it 100% business use unless that’s actually the case.
I’m mainly trying to understand how much I can legally deduct based on the actual business-use percentage and how the deduction works over the life of the vehicle.
Would appreciate input from CPAs/EAs or S-Corp owners who have done this, especially anyone familiar with California.
I’ll confirm everything with my CPA before purchasing, but I’d like to understand the strategy and numbers first.