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テスラの2026年インセンティブ:税額控除は終了、紹介制度は永遠に

連邦税額控除はなくなりました。利息控除と紹介を利用して、2026年の状況を乗り切り、お金を節約する方法をご紹介します。

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言語に関する注記

この記事は英語で書かれています。タイトルと説明は便宜上自動翻訳されています。

未来的なテスラ サイバートラックとモデル3が、2026と書かれたネオンサインのあるスーパーチャージャー ステーションで充電中

The era of the automatic $7,500 discount is officially over.

As of September 30, 2025, the Inflation Reduction Act’s 30D New Clean Vehicle Credit for Tesla vehicles has expired. A combination of tightened income caps, stricter battery sourcing requirements, and the new regulatory landscape has disqualified the 2026 model year lineup from the old federal incentives.

But the story of buying a Tesla in 2026 isn’t just about what we lost—it’s about the strange new loopholes we stumbled into. As we head into the new year, the “One Big Beautiful Bill” Act has replaced direct tax credits with loan interest deductions, and Tesla—feeling the demand crunch—has reignited its referral program with a fervor we haven’t seen since 2018.

If you want to buy a Tesla in 2026 and not pay full sticker price, you have to unlearn everything you knew about the “Tax Credit” and start learning the “Referral Math.”

The New Reality: Interest Deductions > Tax Credits?

For years, the math was simple: Buy a Model Y, get $7,500 off at the point of sale. It was clean, efficient, and addictive.

That ended abruptly. The new legislative framework for 2026 focuses on “American Lending Support.” Instead of a flat credit, the “One, Big, Beautiful Bill” (OBBB) Act (passed July 4, 2025) allows eligible buyers to deduct up to $10,000 in car loan interest from their taxable income.

How It Works (The Fine Print)

Unlike the old credit, this isn’t a discount on the car. It’s a discount on your loan.

  • Eligibility: New vehicles only (no used cars), must be assembled in the U.S. (Model 3, Model Y, Cybertruck qualify).
  • The Cap: Maximum $10,000 interest deduction per year (expires after 2028 tax year).
  • Income Limits (Strict): The deduction phases out starting at $100,000 Adjusted Gross Income (AGI) for singles and $200,000 for married joining filers. If you make over $149k (single) or $249k (joint), you get zero.
  • The Catch: This is a “below-the-line” deduction. You generally need to itemize to claim it, unless specific provisional tax forms allow otherwise (check IRS Notice 2025-57).

The Math: Is It Better?

Let’s run the numbers.

  • Scenario A (2025 System): You got $7,500 off instantly.
  • Scenario B (2026 System): You buy a $50,000 Model Y at 6% interest.
    • Total Interest Paid (Year 1): ~$3,000.
    • Tax Benefit: If you are in the 22% bracket, deducting $3,000 saves you roughly $660 in actual taxes.

The Verdict: Financially, it is a massive downgrade for the consumer compared to the $7,500 credit. You are trading a $7,500 cash-equivalent for a small annual tax shield that requires you to carry debt.

This is why the Tesla Referral Program has suddenly become the most important lever in the entire transaction.

The Referral Renaissance: The Only Direct Discount Left

Recognizing that the loss of the $7,500 credit would tank demand, Tesla quietly revamped its referral architecture in Q4 2025.

Gone are the loot boxes and “credits” for t-shirts. Cash is back.

As of December 2025, the standard referral offer is crucial because it is the only way to reduce the purchase price of the vehicle.

The 2026 Referral Menu: Choose Your Fighter

As of December 2025, the offers are tiered by vehicle luxury class. The “one size fits all” days are gone.

Tier 1: The Heavy Hitters (Cybertruck, Model S, Model X)

This is where the real value is. If you are buying a flagship or the Cybertruck, the referral is a straightforward cash discount.

  • The Offer: $1,000 Off purchase price.
  • Bonus: Model S/X currently show a 3.99% APR promo stackable with this discount.
  • Verdict: Essential. You save $1,000 instantly. There is no reason not to click.

Tier 2: The Mass Market (Model 3 & Model Y)

Here, Tesla is pushing software adoption. The cash offer is weaker, forcing a choice.

  • Option A: 3 Months of Full Self-Driving (Supervised).
  • Option B: $500 Off (Requires FSD Purchase).
  • Verdict: For Model 3/Y buyers, Option A (3 Mo FSD) is the default. You only get a cash discount if you buy FSD upfront ($8,000 value).

[!TIP] Activate Your Offer Here No matter which model you choose, you must start the order via the link to lock in these perks: Click Here to Activate Referral Offers

State Incentives: The Final Stronghold

With the federal program gutted, your zip code matters more than ever.

  • California (CVRP/Clean Cars 4 All): Still funded through mid-2026, but purely income-based. If you earn under $53k (single), you can get up to $7,500. For everyone else, the cupboard is bare.
  • Washington State: Exempts the first $15,000 of the purchase price from sales tax (saving you ~$1,300), plus a $45,000 price cap on strictly new vehicles.
  • Texas: The “Light-Duty Motor Vehicle Purchase or Lease Incentive Program” (LDPLIP) was renewed for 2026 with a $2,500 rebate, but the pool is small—apply the second you take delivery.
  • Colorado: The hero we need. Their state tax credit is still active and refundable, offering $5,000+. If you live in Denver, a Model Y is still cheaper than a Toyota RAV4.
  • New York / New Jersey: Sales tax exemptions remain the primary driver. Saving 6-8% on sales tax on a $50k car is a ~$3,500 benefit—better than the new federal interest deduction!

The Hidden 2026 Tax: Registration Fee Spikes

While the “One Big Beautiful Bill” gives with one hand (interest deductions), state governments are taking with the other. 2026 marks the year many state “Road Usage Charge” pilot programs became mandatory laws.

  • New Jersey: Now charges a $290 flat EV registration fee (up from $0 in 2023), with $10 annual increases locked in.
  • California: The ‘Road Improvement Fee’ for EVs hits ~$118/year, indexed to CPI.
  • Texas: A stiff $200 annual EV fee (plus $400 for new registrations) to replace lost gas tax revenue.

Why this matters: These fees eat into your savings. That referral perk isn’t just a bonus—it helps offset these rising ownership costs.

Crystal Ball: The 2026 Price Cut Forecast

Wall Street analysts (including Morgan Stanley) have downgraded Tesla’s 2026 volume targets, predicting a “demand air pocket” in Q1 2026.

  • The Prediction: Expect aggressive price cuts on inventory models (Model Y specifically) in January/February 2026 to counter the post-tax-credit hangover.
  • Strategy: If you can wait, checking “Existing Inventory” in mid-Q1 might yield an extra $2,000–$3,000 off, stackable with the referral.

The Secret Weapon: Tesla Insurance 2.0

In 2026, the value of a Tesla isn’t just the car—it’s the ecosystem.

  • The Problem: Traditional insurers have struggled with EV repair costs, with many owners in states like Florida seeing premiums significantly higher than state averages [Source: Not A Tesla App].
  • The Solution: Tesla Insurance (currently available in 12 states including CA, TX, IL, and OH) uses your real-time Safety Score to set rates.
  • Savings: For safe drivers (Safety Score 96+), this can save 20%–60% compared to legacy carriers. That’s effectively a $2,500 discount over a 4-year ownership period [Source: Tesla Support].

The “2026 Cliff” Strategy

If you are reading this and haven’t ordered yet, here is the Optimal 2026 Buying Algorithm:

  1. Check State Incentives First: If you live in CO, MA, or NJ, you are safe. If you live in Texas or Florida, you are strictly relying on the referral.
  2. Secure the Referral: Do not place an order without a referral link. You are leaving free value on the table.
  3. Finance Smart: Since the new “One Big Beautiful Bill” allows interest modification, ensure your loan is structured to maximize that interest cap without overpaying the bank.
  4. Watch the Income Cap: Remember, if you make over $100k (single) or $200k (joint), the interest deduction is worthless to you.

Conclusion

2026 is a harsher world for EV buyers than 2025 was. The “free money” era of the Inflation Reduction Act has been replaced by a more complex, loan-subsidized environment.

But the cars are better. The 2026 Model Y “Juniper” refresh is finally scaling, and the Cyberbeast is actually available. The incentives have shrunk, but the product has matured.

If you are buying, be smart.

  1. Take the $1,000 referral discount.
  2. Check your state rebates.
  3. Talk to your accountant about the interest deduction (especially if you are under the $100k/$200k income limit).

The days of the $7,500 handout are gone, but the electric revolution isn’t stopping—it’s just getting a bit more expensive.


Disclaimer: This article assumes the legislative environment as of December 8, 2025. Tax laws are subject to change. Consult a tax professional before making purchase decisions based on the “One Big Beautiful Bill” Act interest deductions.

Sources

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