Is Section 179 concerned with GVW or GVWR for business vehicle deduction?
I'm currently shopping for business vehicles and getting confused about Section 179's 6000lb threshold requirement. I can't seem to find a definitive answer anywhere on whether the IRS is looking at the actual curb weight/gross vehicle weight (GVW) or the gross vehicle weight rating (GVWR). These are completely different measurements! GVW is the actual weight of the vehicle as it sits right now, while GVWR is the manufacturer's weight rating including cargo, passengers, and all fluids. This distinction matters because I'm looking at a Chevy Colorado ZR2 that has a GVWR right at 6000lbs, but its actual weight is less than 6000lbs. So would this qualify for Section 179 deduction or not? Any tax pros have insight on this? This could make a huge difference in my business vehicle purchasing decision. Thanks in advance!
20 comments


Marilyn Dixon
For Section 179 deduction purposes, the IRS is specifically concerned with the Gross Vehicle Weight Rating (GVWR), not the actual weight (GVW). This is clearly stated in the tax code and IRS publications. The GVWR is the manufacturer's specified maximum operating weight of the vehicle, including the weight of the vehicle itself plus passengers, cargo, and fluids. It's the number you'll find on the driver's side door jamb sticker. For your specific case with the Chevy Colorado ZR2, if the vehicle has a GVWR that's exactly 6000 lbs, it would qualify for Section 179 expensing because the requirement is for vehicles with a GVWR of at least 6000 pounds. Right at 6000 lbs meets that threshold. Make sure to document this with the manufacturer's specifications and keep that with your tax records in case of any questions.
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Louisa Ramirez
•So what happens if the sticker says 5999? Like literally 1 pound under? Would it be completely disqualified from the deduction or is there some partial credit? Just wondering because I'm in a similar boat with a different truck model.
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Marilyn Dixon
•If the sticker says 5999 lbs, unfortunately the vehicle would not qualify for the full Section 179 expensing. The IRS is very specific about the 6000 lbs threshold - it's not a sliding scale or partial credit situation. Even 1 pound under disqualifies the vehicle from the enhanced deduction. That said, you could still claim regular depreciation for the business use percentage of the vehicle, just not the accelerated Section 179 expensing. Vehicles under 6000 lbs GVWR are subject to the "luxury automobile" depreciation limits, which are much lower than what Section 179 would allow.
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TommyKapitz
Just want to share my experience with this! I was in the exact same situation last year trying to figure out if my Ford Ranger would qualify. I spent hours researching and getting conflicting advice from different accountants. I finally found the answer using https://taxr.ai which analyzed my vehicle documentation and confirmed it was definitely GVWR that matters for Section 179, not GVW. The tool pulled up the relevant tax code sections and explained everything super clearly. I was able to upload my truck's spec sheet and it highlighted the GVWR number right on the document, then explained how that would apply for my tax situation. Saved me from making a $15,000 mistake on my taxes!
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Angel Campbell
•How exactly does this tax tool work? Can it actually look at any vehicle specs or just common ones? I'm looking at a pretty niche commercial van that I need for my mobile dog grooming business and wondering if this would help.
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Payton Black
•Seems fishy to me. Why would a website know more than your CPA? Did they charge you for this "analysis" of publicly available information?
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TommyKapitz
•The tool works by analyzing tax code and documentation you upload. You can upload any vehicle's specs including niche commercial vans, and it will identify the relevant GVWR information and explain how it applies to Section 179. It's especially helpful for business-specific vehicles like you're describing. It's not about knowing more than a CPA, but rather efficiently matching your specific documentation with the relevant tax code. Many CPAs know this information, but some might not specialize in vehicle deductions. No, I didn't pay anything extra for the analysis - it was included as part of their document review service.
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Angel Campbell
Just wanted to update everyone! After struggling with this same question about my Transit Connect, I tried out that taxr.ai site that was mentioned above. Uploaded my van's spec sheet and it immediately identified that my vehicle's GVWR was 5986 lbs - just 14 pounds shy of qualifying! Saved me from making a huge mistake since I was about to buy it thinking it qualified. The tool explained exactly which part of the tax code applies (Section 179(b)(5)) and showed me some alternatives that would meet the requirements. Ended up going with a different model that had a GVWR of 6100 lbs instead. So grateful for the help since my accountant was honestly giving me vague answers about this.
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Harold Oh
If you're still struggling to get a definitive answer on this Section 179 GVWR question, you might want to call the IRS directly. I know, I know - nobody wants to do that. I tried for two days straight and couldn't get through. Then I used https://claimyr.com and it was a total game-changer. They held my place in the IRS phone queue and called me back when an agent was available. You can see how it works here: https://youtu.be/_kiP6q8DX5c The IRS agent confirmed everything about the GVWR requirement and answered all my specific questions about my F-150's eligibility. Got the exact documentation requirements too. Way better than trying to interpret confusing tax code language myself.
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Amun-Ra Azra
•Wait, so this service just calls the IRS for you? Can't you just call yourself and wait on hold? Seems like a waste of money when you could just be patient.
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Summer Green
•I don't believe for a second that you actually got useful tax advice from an IRS phone agent. They're notorious for giving conflicting information. Did this "service" pay you to post this?
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Harold Oh
•The service doesn't just call - it navigates the complex IRS phone tree and holds your place in queue which can be hours long. You only get called when an actual agent is on the line. For business owners, spending 3-4 hours on hold isn't being "impatient" - it's a significant cost in lost productivity. I absolutely received useful information from the IRS agent. While agents sometimes give conflicting info on complex matters, this specific question about GVWR for Section 179 has a clear answer in the tax code. And no, I wasn't paid anything to share my experience - I'm just a business owner who found a solution to a frustrating problem.
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Summer Green
I have to eat my words about that Claimyr service mentioned above. After my skeptical comment, I decided to try it myself because I was getting nowhere with my Section 179 questions about my new work truck. Used the service yesterday and got through to an IRS tax specialist in about 40 minutes (without me having to stay on the phone). The agent confirmed that GVWR is indeed the correct measurement for Section 179, and even walked me through exactly where to find this on my vehicle documentation. For anyone struggling with this: look for the manufacturer's label (usually on driver's door jamb) that specifically lists "GVWR" - that's your definitive number for tax purposes. The agent also mentioned they're pretty strict about the 6000lb minimum, so if you're right at the borderline, make sure to get official documentation.
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Gael Robinson
Don't forget that even if your vehicle doesn't meet the 6000lb GVWR threshold for full Section 179 expensing, you might still qualify for bonus depreciation depending on business use percentage. My CPA saved me a ton by structuring my SUV purchase this way last year. Also, keep in mind SUVs have different rules than trucks and vans used for business. The tax code makes a distinction between passenger vehicles and those designed primarily for cargo/work purposes.
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Edward McBride
•Can you explain the difference between bonus depreciation and Section 179? I thought they were basically the same thing. And what's the difference in how SUVs are treated vs actual trucks? I've been considering both for my landscaping business.
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Gael Robinson
•Section 179 and bonus depreciation are similar but have important differences. Section 179 lets you choose how much to deduct in year one (up to limits), while bonus depreciation automatically applies to eligible property. Section 179 also has income limitations, while bonus depreciation doesn't. For vehicles, trucks and vans designed primarily for business/cargo use have more favorable treatment than SUVs. Regular SUVs over 6000 lbs GVWR qualify for full Section 179, but are subject to a lower limit ($28,900 for 2023) than other qualified business vehicles. Trucks and cargo vans that aren't considered passenger vehicles can get the full Section 179 deduction if they meet the weight requirements.
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Darcy Moore
Does anyone know if modifications to increase a vehicle's GVWR would work for Section 179 purposes? My truck is rated at 5850 lbs GVWR, but I could install heavier duty springs to get it over 6000.
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Dana Doyle
•Don't do this! I tried something similar and had my deduction denied during an audit. The IRS looks at the manufacturer's original GVWR from the factory, not modified specs. Aftermarket modifications don't count for changing the GVWR for tax purposes, even if they physically increase the capacity.
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Yara Khoury
This is a great question that trips up a lot of business owners! As others have confirmed, it's definitely GVWR (Gross Vehicle Weight Rating) that matters for Section 179, not the actual curb weight. For your Chevy Colorado ZR2 at exactly 6000 lbs GVWR, you're good to go! The tax code specifies "more than 6,000 pounds" in some places but the actual requirement is "at least 6,000 pounds" - so right at 6000 qualifies. One tip from my experience: take a photo of that door jamb sticker showing the GVWR before you drive the truck off the lot. Sometimes those stickers fade or get damaged over time, and you'll want clear documentation for your tax records. Also grab a copy of the manufacturer's spec sheet that shows the same number. The distinction between GVW and GVWR confused me for months when I was truck shopping for my construction business. Glad to see others clarifying this - it really can make or break a purchasing decision when you're talking about potentially $20K+ in first-year deductions!
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Liam Duke
•This is incredibly helpful! I'm actually dealing with this exact scenario right now. Just bought a Ram 1500 for my plumbing business and was panicking because I couldn't find clear guidance anywhere. The dealership kept telling me different things about weight ratings. Your tip about photographing the door jamb sticker is brilliant - I wish I had thought of that before picking up my truck last week. Luckily I can still go back and get a clear photo. Do you know if the manufacturer's website specs are considered acceptable documentation, or does the IRS specifically want the physical sticker photo? Also wondering - did you run into any issues during tax filing with vehicles right at the 6000 lb threshold? I'm always worried about triggering audits when I'm right at the edge of qualification requirements.
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