For a Tesla Model X, the federal tax credit comparison between leasing and buying is effectively closed: the One Big Beautiful Bill, signed July 4, 2025, repealed the clean vehicle credit, the commercial clean vehicle credit, and the used vehicle credit for any vehicle acquired after September 30, 2025.1 If you’re shopping in 2026, neither route delivers a federal credit. If you locked in a Model X before that cutoff, leasing was the stronger path on the numbers, and the reasons are worth understanding before you file or sign anything.
Who Can Still Claim a Credit
The repeal came with a narrow transition rule. If you entered into a binding written contract and made a payment on a Model X on or before September 30, 2025, the applicable credit is still available even if you take delivery later. “Placed in service” is the delivery date, not the order date, so a 2026 delivery on a pre-October contract still qualifies.
Which credit applies depends on how you structured the deal. A purchase falls under Section 30D. A lease falls under Section 45W, claimed by the leasing company rather than by you. Hold onto your purchase or lease agreement, proof of payment, and the dealer’s time-of-sale report; those are what you’ll need at filing time.
Everyone else — anyone acquiring a Model X after the cutoff — is outside the federal credit entirely, whether buying or leasing. The leasing workaround that once let drivers bypass income and price restrictions no longer functions.
Why Leasing Beat Buying Under the Old Rules
For buyers who did act in time, the lease side of the comparison won on three separate grounds. Each one disqualified a meaningful slice of Model X shoppers from the purchase credit while leaving the lease credit untouched.
Income limits. Section 30D capped eligibility by modified adjusted gross income: $300,000 for married filing jointly, $225,000 for head of household, and $150,000 for everyone else, measured against the current or prior tax year, whichever was lower. Section 45W imposed no such limit on the driver, because the leasing company — not the lessee — was the taxpayer claiming the credit. A household earning $500,000 could lease and still see the benefit; the same household couldn’t buy and claim anything.
Price caps. Section 30D disqualified any SUV with a manufacturer’s suggested retail price above $80,000, counting the base price and factory-installed options on the window sticker but excluding destination charges and taxes. The Model X sat right at that line in its base configuration, and common upgrades pushed past it. Section 45W had no MSRP ceiling at all, so even a Model X Plaid qualified for the commercial credit when leased.
Tax liability. The Section 30D credit, when claimed on a return, was nonrefundable. A buyer who owed $4,000 in federal tax received only $4,000 of the $7,500 credit and lost the rest. Leasing companies had no such constraint; major lessors always carried enough liability to use the full credit, and competitive pressure in the EV lease market pushed most of them to pass the $7,500 through as a capital cost reduction, lowering the amount financed and the monthly payment.
The one caveat on the lease side: the pass-through wasn’t legally required. The $7,500 showed up as a line item on the lease contract rather than as a guaranteed consumer benefit, so reading the agreement before signing mattered. In practice most lessors passed through the full amount, but some kept a portion.
The Model X Price Problem That Made Leasing Especially Attractive
The Model X was one of the clearest cases where the lease route mattered. The 2025 Model X AWD sat right at the $80,000 cap, and Tesla had a history of adjusting standard features and trim pricing to keep certain configurations inside the federal limit. Higher trims — and most option-loaded builds — pushed past it. For the 2025 model year, the base Model X AWD could qualify for the full $7,500 purchase credit when sold at or below $80,000, but anything above that line was out.
Leasing erased the problem. Because Section 45W ignored MSRP, a Plaid or a heavily optioned Long Range qualified on the lease side when it couldn’t qualify on the purchase side. For Model X shoppers specifically, that gap was often the deciding factor.
For the 2026 model year the point is now moot in two directions. The federal credit is gone, and with it any incentive for Tesla to keep a trim under the old price cap. No current 2026 Model X trim falls within the $80,000 threshold that Section 30D used to impose.
What’s Still Available in 2026
Two federal and state pieces survived the repeal and can still offset the cost of a Model X purchase or lease.
The Section 30C credit for home charger installation covers 30% of the cost of alternative fuel vehicle refueling equipment at your primary residence, up to $1,000 per charging unit. It applies to equipment placed in service through June 30, 2026, after which it expires for individual taxpayers. A $3,000 Level 2 installation would produce a $900 credit, claimed on your personal return for the year the charger is placed in service.
State and local incentives operate independently and weren’t touched by the One Big Beautiful Bill. Depending on where you live, you may have access to a state tax credit, a rebate, reduced registration fees, or a utility rebate on either a purchase or a lease. The amounts, income limits, and vehicle price caps vary widely by state and change frequently, so check with your state energy office or department of motor vehicles before signing.
The Short Answer for a 2026 Shopper
If you’re deciding between leasing and buying a Model X today, the federal tax credit is not a factor on either side, and the choice comes down to the ordinary trade-offs: cash outlay, monthly payment, mileage limits, and how long you plan to keep the vehicle. If you have a pre-October 2025 contract still awaiting delivery, the choice was already made at signing, and your path is to file correctly: Section 30D if you bought, Section 45W pass-through on your lease paperwork if you leased, with the vehicle documents and time-of-sale report kept on file.