Industry Sourcing Guide

🚗 Automotive & Mobility

U.S.–Mexico's Most Integrated Industry

$34B+
Annual exports to U.S.
FY 2024 · DataMéxico
#1
U.S. auto parts import source
2024 · BTS
4
States with active OEM plants
2024 · AMIA

Mexico is the largest supplier of automotive parts to the United States — surpassing both Canada and China — and has been for nearly a decade. The Bajío corridor, the Hermosillo Sonoran desert, and the Tijuana-Tecate border zone form an integrated North American production system that builds everything from pickup trucks and passenger vehicles to precision wiring harnesses and high-voltage EV battery components.

The U.S. and Mexico share a deeply integrated automotive supply chain under USMCA rules of origin requiring 75% North American content for passenger vehicles. Parts cross the border multiple times during production — a typical U.S.-assembled vehicle uses components that have traveled back and forth six to eight times. This integration is a structural advantage: tariff disruptions affect both sides, creating bilateral pressure for resolution.

Labor costs, USMCA access, geographic proximity, and four decades of OEM investment make Mexico the only viable near-term alternative to Chinese or Southeast Asian sourcing for most automotive categories. The active OEM presence — GM, Mazda, Honda, Toyota, Ford — means the supplier ecosystem is dense, qualified to international standards, and continuously audited.

Why Mexico

The Structural Advantages

🏭

Four Major OEMs, One Integrated Corridor

GM (Silao), Mazda (Salamanca), Honda (Celaya & Apaseo), Toyota (Apaseo), and Ford (Hermosillo) all operate active plants. This density creates a deep Tier 1–3 supplier network available to sourcing teams beyond the OEMs themselves.

📜

USMCA 75% RVC — Built-In Access

Automotive parts qualifying under USMCA Chapter 8 Rules of Origin enter the U.S. at 0% tariff. Mexico's supplier base has been restructured around this threshold — most established suppliers carry documentation and compliance systems ready for audit.

📦

Logistics Infrastructure Designed for This

Puerto Interior (Silao, GTO) connects the Bajío directly to Laredo TX via rail and highway. Laredo is the busiest inland port in the U.S. Ford Hermosillo ships to the Arizona border. The Tijuana-Tecate corridor handles commercial truck crossings 24/7.

Where to Source

Regional Landscape

Each state below has a full research report with export trend data, sector analysis, key industrial clusters, FDI, and tariff context — all with live-linked primary sources.

Bajío OEM Corridor

Guanajuato

$21.09B to U.S.
FY 2024

GM Silao · Mazda Salamanca · Honda Celaya · Toyota Apaseo

Mexico's #1 automotive state — 3.5M vehicles produced in 2024 (+19.2%). Auto parts alone: $15B+ in FY 2025. Puerto Interior dry port connects directly to Laredo, TX. COFOCE-tracked cluster of 500+ suppliers.

View Full Research →
CaliBaja Commercial Vehicle Zone

Baja California

$5.05B to U.S.
FY 2024

Freightliner Trucks · Otay Mesa Crossing · 1,108 IMMEX Companies

Baja California exports $5.05B in commercial motor vehicles — heavy-duty trucks, trailers, and specialty transport equipment. Freightliner (Daimler) Trucks operates in the state. The Otay Mesa crossing handles $59.98B in annual two-way trade.

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Automotive Electronics & EV Components

Jalisco

$5.77B vehicles
FY 2024

Bosch · Flex · Continental · EV Module Assembly

Jalisco's automotive sector is driven by electronics integration — Bosch, Flex, and Continental supply advanced driver-assistance systems, infotainment, and EV power electronics to global OEMs. $5.77B in passenger vehicle exports in FY 2024, with the automotive electronics subsector growing fastest in Mexico.

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Ford Hermosillo Plant

Sonora

$2.4B–$2.6B+
FY 2024

Ford Bronco Sport · Ford Maverick · Wiring Harnesses $1.76B

Ford Hermosillo is the sole global producer of the Bronco Sport and Maverick pickup — shipping directly to U.S. and Canadian dealers. Sonora also exports $1.76B in wiring harnesses. Q3 2025 transportation equipment: $2.309B in one quarter alone.

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Trade & Tariff Context

USMCA & Current Tariff Landscape

✓ USMCA EligibleRules of Origin: Regional Value Content (RVC) ≥ 75% for passenger vehicles; ≥ 70% for auto parts (core parts higher)

USMCA-compliant auto parts currently face de facto 0% tariff. The formal USMCA review opened in 2026 — AMIA has made elimination of Section 232 tariffs on auto parts its top priority in the review process.

MeasureRateProductsImpact
Section 232 – Steel25%Steel inputs for auto manufacturingIncreases input costs for OEMs using imported steel; partially offset by USMCA-compliant sourcing
Section 232 – Aluminum25%Aluminum auto body parts and componentsAffects light-vehicle manufacturers; USMCA-compliant finished vehicles largely shielded
IEEPA – Auto Parts25%Non-USMCA-compliant parts and componentsQualifying suppliers largely exempt; non-qualifying face full rate — verify supplier RVC documentation
USMCA Auto (Compliant)0%Parts meeting 75% RVC + labor value contentFull exemption — the reason Mexico's automotive supply chain is being restructured around USMCA

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