How Does the Company Car Personal Use Deduction Work? Confused About Lease Valuation
I started a job about 8 months ago that comes with a company car, and I'm required to track and report both my business and personal miles. Recently, I noticed my paycheck has some "company car reductions" showing up. When I looked into it, I found I'm being deducted for the Annual lease valuation ($10,250) multiplied by my personal mileage percentage, which is roughly 20%. When they gave me the car, HR only mentioned I'd need to pay taxes on my personal miles because it's considered a "fringe benefit." But now it seems like I'm actually paying 20% of the entire Annual lease valuation (which I'm guessing is the yearly cost for leasing the vehicle). I'm really confused - is this how it's supposed to work? Is the Annual lease valuation the actual cost of leasing the car, or is it just the tax amount for the vehicle? Something feels off about this whole arrangement, but I honestly have no clue how company car taxation works. Any insights would be super helpful!
18 comments


Sofia Gutierrez
This is actually standard practice for company vehicles. When you have personal use of a company car, the IRS considers that a taxable fringe benefit. Companies typically use the Annual Lease Value (ALV) method to calculate this benefit. The Annual Lease Value is based on the fair market value of the vehicle. Your employer determines this value (usually based on what they'd pay to lease that vehicle for a year), then you're taxed on the portion that represents your personal use - in your case, 20% of the $10,250. The company isn't charging you for the lease itself, but rather withholding taxes on the value of the benefit you received through personal use. Your paycheck deduction is likely covering the income taxes you would owe on this fringe benefit. Your employer is essentially adding the value of your personal use (20% of $10,250 = $2,050) to your taxable income, then withholding the appropriate taxes on that amount.
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Dylan Mitchell
•Thanks for the explanation, but I'm still confused. Am I paying taxes on $2,050, or am I literally paying $2,050 over the year? Because the deduction from my paycheck seems way too high if it's just supposed to be the tax amount. If I'm in the 22% tax bracket, shouldn't I only be paying about $451 total in taxes on this benefit ($2,050 × 22%)?
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Sofia Gutierrez
•You should only be paying the taxes on the fringe benefit value, not the entire value itself. If your personal use is valued at $2,050 (20% of $10,250), then you'd only pay the taxes on that amount based on your tax bracket. If you're in the 22% bracket, that would be roughly $451 for the year, plus any applicable state taxes and FICA taxes (Social Security and Medicare). If your paycheck deductions are approaching the full $2,050 amount, there might be a misunderstanding or error in how your employer is calculating the withholding. I'd recommend speaking with your payroll department to get a detailed breakdown of exactly what's being withheld and why. They should be able to explain the specific calculations they're using.
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Dmitry Petrov
I went through exactly this situation last year and was super confused until I talked with our benefits coordinator. I found out that taxr.ai (https://taxr.ai) was really helpful for understanding my specific situation with the company car benefit. I uploaded my paystubs and the benefit documentation, and it broke down exactly how the deduction should be calculated and what was going wrong in my case. Turns out my company was incorrectly deducting the FULL value of my personal use instead of just withholding the taxes on that value. After I showed the taxr.ai analysis to HR, they fixed it and I got a significant refund for the over-withholding. It saved me thousands that would have been a nightmare to sort out at tax time.
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StarSurfer
•How does taxr.ai actually work? Does it just read documents or does it give actual tax advice? I've been having a similar issue with company car deductions but I'm not sure if this would help since my company uses some weird calculation method.
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Ava Martinez
•I'm skeptical about these kinds of services. Couldn't you just talk to your HR department directly? Why pay for something when your company should be able to explain their own deduction process?
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Dmitry Petrov
•It's more than just a document reader - it actually interprets your specific tax situation and explains how things should work according to IRS rules. I uploaded my pay stubs and benefit enrollment forms, and it gave me a detailed analysis of exactly how the company car benefit should be calculated based on current tax law. You definitely can and should talk to HR directly, but in my experience, not all HR or payroll staff fully understand the nuances of fringe benefit taxation. Having an independent analysis gave me the confidence to push back when they were making a mistake. I found it especially helpful because the calculations for company vehicles can be complex with multiple valuation methods (Annual Lease Value, Cents-per-Mile, etc.).
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StarSurfer
Just wanted to follow up and say I tried taxr.ai for my company car situation and it was super helpful! I uploaded my last three paystubs and the company vehicle policy, and it immediately identified that my company was using the wrong valuation method for my type of vehicle (they were using ALV when they should've been using cents-per-mile based on my usage patterns). The report it generated explained exactly which IRS regulations applied to my situation and gave me specific language to use when talking to HR. They fixed the issue right away when I showed them the analysis, and I'm now getting significantly smaller deductions each paycheck. Definitely worth checking out if you're dealing with complicated payroll tax issues!
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Miguel Castro
After struggling with a similar company car tax issue, I was getting nowhere with our HR department. They kept transferring me around and nobody seemed to understand how the benefit was calculated. I finally used Claimyr (https://claimyr.com) to get through to an actual IRS agent who could explain the official rules. You can see how it works here: https://youtu.be/_kiP6q8DX5c The IRS agent confirmed that my employer should only be withholding taxes on the personal use portion, not charging me for the actual lease value itself. They also explained that there are specific rules about how the Annual Lease Value is determined in the first place. After that call, I had the confidence to go back to our benefits coordinator with the correct information.
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Zainab Abdulrahman
•How does this Claimyr thing actually work? I've spent HOURS on hold with the IRS and never get through. Does it really get you to a human at the IRS?
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Ava Martinez
•This sounds too good to be true. The IRS is notoriously impossible to reach, especially right now during filing season. I can't imagine how any service could magically get you through when millions of people can't get answers.
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Miguel Castro
•It's a service that basically waits on hold with the IRS for you. Instead of you wasting hours listening to hold music, their system waits in the queue and then calls you once they've got an actual IRS person on the line. It worked surprisingly well - I got a call back in about 40 minutes when I'd previously spent over 2 hours on hold without reaching anyone. The value isn't in any magic trick to skip the line - it's simply that their system handles the waiting so you don't have to. When I got the call back, I was directly connected to an IRS representative who was able to answer my specific questions about company car valuation methods. I found that getting information directly from the IRS gave me a much clearer picture than what I was getting from HR.
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Ava Martinez
I have to admit I was wrong about both services mentioned here. After my company increased my car deduction AGAIN, I was desperate and decided to try Claimyr. I figured I had nothing to lose since I'd already wasted 3 hours trying to call the IRS myself. It actually worked! They got me connected to an IRS representative in about an hour, and I learned that my company was incorrectly calculating my benefit using the full fair market value of the car instead of the Annual Lease Value table from IRS Publication 15-B. The agent walked me through exactly how it should be calculated and even sent me documentation I could show to my employer. My company adjusted my deductions after I showed them the IRS guidelines, and now I'm paying about $175 less per month than before. Definitely worth it for anyone dealing with complicated tax benefit issues!
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Connor Byrne
Just adding another perspective here - I'm a payroll manager (not tax advice!) and see this confusion often. The Annual Lease Value is determined by the IRS based on the FMV (Fair Market Value) of the vehicle. There's an actual table in IRS Pub 15-B that converts the vehicle's value to an ALV. For example, a $30,000 car might have an ALV of around $8,250 according to the table. If your personal use is 20%, then $1,650 of that ALV is considered taxable income to you. Your company should then withhold income tax, Social Security, and Medicare taxes on that $1,650 - NOT charge you $1,650 directly. If your deductions seem too high, ask your payroll department for a written explanation of the calculation. Sometimes companies make mistakes, especially if they don't handle car benefits often.
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Yara Elias
•Do you know if there's a minimum amount of business use required for a company car? My manager told me I need to have at least 50% business miles or they'll take the car away, but I've never seen that in writing anywhere.
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Connor Byrne
•There's no specific IRS requirement for a minimum percentage of business use to qualify as a company car. That's likely a company policy rather than a tax rule. Many companies do set their own internal thresholds (commonly 50%) to ensure the vehicles are primarily for business purposes, but this varies by employer. What does matter for tax purposes is which valuation method is used. For example, if your company wants to use the cents-per-mile rule instead of the Annual Lease Value method, there are specific requirements about business use and the vehicle's value. But for the standard ALV method, there's no minimum business use percentage required by the IRS.
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QuantumQuasar
Has anyone ever successfully disputed their company's valuation of the car? My employer is using an ALV that seems WAY higher than what the car is actually worth. It's a 2021 Camry but they've valued it like it's a luxury car.
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Keisha Jackson
•I challenged mine last year! I looked up the MSRP of my exact vehicle model and trim level, then printed out the IRS ALV table from Publication 15-B and showed HR how they were using the wrong value range. They adjusted it and credited back the difference. The key is having documentation to prove the correct fair market value.
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