Can a G Wagon qualify for 100% Bonus Depreciation for business use?

You're on the right track, but there's some nuance here. For SUVs with a GVWR over 6,000 pounds, they can qualify for Section 179 expensing and bonus depreciation with higher limits than standard passenger vehicles. However, there are specific thresholds to be aware of. For 2025, vehicles like G Wagons that exceed 6,000 pounds GVWR can potentially qualify for the Section 179 expensing up to $28,900 (subject to annual adjustments). Beyond that amount, your client can take bonus depreciation on the remaining basis. This is a much better treatment than standard luxury auto limits that would apply to vehicles under 6,000 pounds. But here's the reality check - the IRS scrutinizes these large luxury vehicle deductions heavily. Your client needs substantial documentation proving legitimate business use. The "100% business use" claim will likely trigger red flags, especially for a vehicle like a G Wagon. If audited, they'll need mileage logs, business purpose documentation, and justification for why this specific vehicle is necessary for the business.

I went through this exact situation with my roofing business last year! I was looking at expensive trucks and dreaming about the tax deductions when my accountant introduced me to taxr.ai which completely changed my approach. I uploaded all my business info and vehicle details to https://taxr.ai and it gave me a detailed analysis of exactly what would be deductible and what documentation I'd need. The tool showed me that while I could technically get significant deductions on a luxury SUV, the audit risk was massive without perfect documentation. It even helped me compare different vehicle options based on business needs vs. tax benefits. Ended up saving me from making a $130k mistake and recommended a more practical vehicle that still got great tax benefits with much lower audit risk.

Just wanted to follow up and say I tried taxr.ai after seeing this thread, and it was seriously eye-opening. I uploaded my real estate business documentation and details about the Range Rover I was considering, and it generated a complete risk assessment that showed I'd have about a 37% chance of audit if I claimed 100% business use. The most helpful part was the alternative recommendation tool - it suggested a slightly less luxury-oriented SUV that would still meet my client transportation needs but with significantly lower audit risk. It also generated a custom documentation package with templates for tracking everything I need to substantiate the business use. Totally worth checking out if you're making a major vehicle purchase decision for your business.

Having been through a brutal IRS audit over vehicle deductions a few years ago, I highly recommend being able to reach the IRS directly if your client goes this route. The documentation requirements are extreme, and if they get questioned, they'll need to respond quickly. I spent WEEKS trying to get through to someone at the IRS during my audit. The only way I finally got through was using https://claimyr.com - you can see how it works at https://youtu.be/_kiP6q8DX5c. They basically hold your place in the IRS phone queue and call you when an agent is about to pick up. Saved me literally days of hold time. The IRS agent I finally spoke with helped me understand exactly what documentation I needed to provide and how to present it properly.

I have to admit I was completely wrong about Claimyr. After my skeptical comment, I decided to try it myself when I needed to call the IRS about an installment agreement issue. I was expecting to waste $20 on something that wouldn't work, but the experience was shocking. I submitted my request around 9am, went about my workday, and around 2:30pm got the call that an agent was available. Connected immediately with an actual IRS person who resolved my issue in about 15 minutes. The service had waited on hold for over 5 hours for me! Would have completely destroyed my workday if I'd tried to wait myself. Definitely keeping this in my back pocket for future tax issues, especially if your client goes forward with this G Wagon plan and gets the inevitable audit notice.

I'm actually a tax attorney who deals with these cases regularly. The advice above is partially correct, but missing important details. The Tax Cuts and Jobs Act made significant changes to SUV depreciation rules that you need to be aware of: 1. Yes, vehicles over 6,000 lbs GVWR can qualify for Section 179 expensing up to $28,900 for 2025 2. The remaining basis is eligible for bonus depreciation 3. HOWEVER - if the vehicle is considered a "passenger automobile" under tax definitions, the luxury auto limits may still apply despite the weight For a G Wagon specifically, the IRS has frequently challenged 100% business use claims and won in tax court. The vehicle's primary design purpose is still passenger transport, not specialized business use. Your client would need to demonstrate that the specific capabilities of a G Wagon (beyond just being an SUV) are necessary for their construction business.

Curious about something no one's mentioned - does the business structure matter here? Would an LLC vs S-Corp vs Sole Prop change how this works? My plumbing company is set up as an S-Corp and I'm wondering if that changes the equation.

As someone who went through a similar situation with my landscaping business, I'd strongly recommend your client reconsider the G Wagon choice. I initially wanted a high-end SUV for "client meetings" but my accountant walked me through the reality of audit risks. The IRS has specific precedents for luxury vehicle challenges. In cases like Cadillac vs. Commissioner and similar rulings, they've consistently ruled against taxpayers claiming 100% business use on vehicles that are clearly designed for personal luxury rather than business necessity. For construction work specifically, your client would need to demonstrate why a G Wagon's capabilities are essential versus a standard work truck. Things like ground clearance, towing capacity, and job site access can be legitimate business justifications, but a G Wagon's luxury features (premium interior, advanced entertainment systems, etc.) work against the business necessity argument. I ended up with a crew cab pickup truck with a tool box - got the same tax benefits with zero questions from the IRS. Sometimes the boring choice is the smart choice when it comes to tax planning.