President Trump imposed new 25% tariffs on imported vehicles and trucks and adjusted parts tariffs to favor U.S. assembly.

1. What changed

The White House release describes several trade policy actions under President Trump that directly affect U.S. imports of motor vehicles and related products:

• A 25% tariff was imposed on passenger vehicles and light trucks built outside the United States.
• A 25% tariff was extended to medium- and heavy-duty trucks manufactured abroad.
• An order was signed to “reward domestic assembly” by reducing the impact of parts tariffs on vehicles assembled in the United States.

While the document does not specify the legal authorities (e.g., Section 232, Section 301) or the exact HTS Chapter 99 provisions, it clearly indicates new or increased tariff burdens on imported vehicles and trucks, and a preferential treatment mechanism for parts used in U.S. assembly.

2. Affected products

Based on the description, the following product categories are affected:

• Passenger vehicles built outside the U.S. (likely HTSUS Chapter 87, e.g., motor cars and other motor vehicles principally designed for the transport of persons).
• Light trucks built outside the U.S. (e.g., pickup trucks and similar vehicles for the transport of goods, also in Chapter 87).
• Medium-duty trucks manufactured abroad (commercial trucks used for goods transport, in Chapter 87).
• Heavy-duty trucks manufactured abroad (tractors and large commercial trucks, in Chapter 87).
• Automotive parts used in vehicle assembly, where the order reduces the impact of parts tariffs when those parts are incorporated into vehicles assembled in the United States.

No specific HTS codes or Chapter 99 subheadings are provided in the text, so importers must refer to the eventual implementing proclamations, Federal Register notices, or CBP guidance for precise tariff lines.

3. Rate changes

The document provides the following specific rate information:

• Passenger vehicles and light trucks built outside the U.S.: subject to a 25% tariff.
• Medium- and heavy-duty trucks manufactured abroad: subject to a 25% tariff.

The text does not specify the prior duty rates or whether the 25% is an additional duty on top of existing MFN rates or a total rate. It also does not quantify the exact reduction mechanism for parts tariffs on U.S.-built vehicles (e.g., whether via drawback, remission, or a Chapter 99 exclusion). Compliance teams must look for the corresponding legal instruments to determine:

• Whether the 25% is an additional duty (e.g., via a Chapter 99 provision) or a replacement rate.
• Whether any existing truck “chicken tax” or other duties remain in addition to this 25%.
• The exact formula and conditions for reduced parts-tariff impact on U.S.-assembled vehicles.

4. Dates

The release is dated July 27, 2026, but it does not specify:

• The exact effective date of the 25% tariffs on passenger vehicles and light trucks.
• The effective date of the 25% tariffs on medium- and heavy-duty trucks.
• The effective date or duration of the order reducing the impact of parts tariffs on U.S.-built vehicles.
• Any sunset or review dates.

Until implementing documents are identified, importers should assume that these measures are either already in force or imminent as of the date of the release and should verify effective dates via:

• Presidential proclamations.
• Federal Register notices.
• CBP Cargo Systems Messaging Service (CSMS) messages.

5. Required actions for importers, brokers, and compliance teams

Given the described measures, the following actions are recommended:

A. Confirm legal basis and effective dates

• Identify the specific Presidential proclamation(s) or executive order(s) implementing:
• The 25% tariff on passenger vehicles and light trucks built outside the U.S.
• The 25% tariff on medium- and heavy-duty trucks manufactured abroad.
• The order reducing the impact of parts tariffs on U.S.-assembled vehicles.
• Review the corresponding Federal Register notices and CBP guidance for:
• Effective dates.
• Any phase-in schedules.
• Applicable HTS Chapter 99 numbers and instructions.

B. Map affected SKUs and HTS classifications

• Compile a list of all imported:
• Passenger vehicles.
• Light trucks.
• Medium-duty trucks.
• Heavy-duty trucks.
• Confirm HTS classifications for each product in Chapter 87 and identify any associated Chapter 99 provisions that may apply the 25% tariff.
• For parts used in U.S. assembly, map:
• All imported components used in U.S. vehicle production.
• Any new preferential or reduced-tariff treatment mechanisms described in implementing guidance.

C. Update duty calculations and landed cost models

• For all affected imported vehicles and trucks, update:
• Duty rate assumptions to include the 25% tariff (plus any existing MFN or other duties, as specified in the implementing rules).
• Landed cost models, pricing, and margin analyses.
• For parts used in U.S. assembly, model the impact of any reduced parts-tariff burden on:
• Total cost of U.S.-assembled vehicles.
• Sourcing decisions (imported vs. domestic parts).

D. Adjust sourcing and supply chain strategies

• Evaluate shifting production or sourcing to the United States or to locations that may qualify for preferential treatment (if any such provisions are later defined).
• For OEMs and importers:
• Assess feasibility of onshoring assembly to benefit from reduced parts-tariff impact.
• Consider reconfiguring supply chains to import more parts and fewer finished vehicles, if the policy materially favors U.S. assembly.

E. Update broker instructions and entry procedures

• Provide customs brokers with updated instructions once the implementing HTS and Chapter 99 provisions are known, including:
• Correct HTS classification for vehicles and trucks.
• Any required Chapter 99 numbers for the 25% tariffs.
• Any special indicators or documentation needed to claim reduced parts-tariff impact for U.S.-assembled vehicles.
• Implement internal controls to ensure:
• Accurate declaration of country of origin and production location (to determine whether the 25% tariff applies).
• Proper application of any exclusions or special provisions.

F. Contract and pricing adjustments

• Review and, where necessary, renegotiate:
• Supply contracts with foreign manufacturers to address increased duty costs.
• Sales contracts with downstream customers to reflect higher landed costs.
• Consider adding tariff-adjustment clauses to future contracts to manage ongoing trade-policy risk.

G. Financial planning and compliance risk management

• Update budgets and forecasts to reflect the 25% tariffs on imported vehicles and trucks.
• Monitor for:
• Potential enforcement focus on misclassification or misdeclaration of vehicle type or origin to avoid the 25% rate.
• Any anti-circumvention measures targeting transshipment or minor processing in third countries.

6. References

The text provided is a White House release titled:

“Made in Michigan Again: President Trump’s Trade Agenda Is Supercharging American Auto Manufacturing”

Dated: July 27, 2026

Source: The White House

The release itself does not include URLs or PDF links. Compliance teams should:

• Search the official White House website (https://www.whitehouse.gov) for the full release and any linked documents.
• Search the Federal Register (https://www.federalregister.gov) for:
• Presidential proclamations or notices implementing 25% tariffs on imported vehicles and trucks.
• Any rules or notices describing reduced parts-tariff impact for U.S.-assembled vehicles.
• Check CBP resources:
• CBP Cargo Systems Messaging Service (CSMS): https://www.cbp.gov/trade/automated/cargo-systems-messaging-service
• CBP trade remedies and tariff actions pages.

7. HTS metadata

The release does not specify any HTS headings, subheadings, or Chapter 99 numbers. Accordingly:

• hts_codes: []

Importers must rely on subsequent legal and regulatory publications to identify the exact HTS lines and Chapter 99 provisions that implement the 25% tariffs and any parts-related relief.

8. Key takeaways for regulatory briefing

• New 25% tariffs apply to imported passenger vehicles, light trucks, and medium- and heavy-duty trucks manufactured outside the U.S., significantly increasing duty costs for these imports.
• An order is in place to reduce the impact of parts tariffs on vehicles assembled in the United States, creating a strong incentive to shift from importing finished vehicles to importing parts for U.S. assembly.
• Immediate actions include confirming the legal instruments and effective dates, mapping affected HTS classifications, updating landed cost models, revising sourcing strategies, and ensuring brokers and internal teams are aligned with the new tariff requirements.