Trump Is Breaking the Turnberry Deal over Cars. Semiconductors Are Next in Line.

Why It Matters

The tariff escalation tests the resilience of the transatlantic trade framework and could trigger a cascade of restrictions on European semiconductor and digital‑service exports, reshaping global tech supply chains.

Key Takeaways

• Trump lifts EU auto tariffs to 25%, up from 10%
• Turnberry’s semiconductor zero‑tariff clause now at risk
• EU saved $545‑$654 million monthly on auto tariffs under deal
• European chipmakers face uncertainty as US threatens broader tariffs
• EU may invoke safeguard clauses, risking retaliatory trade measures

Pulse Analysis

The Turnberry Agreement, signed in July 2025 at President Trump’s Scottish resort, was designed as a floor for U.S.–EU trade. It limited American tariffs on European imports to 15% and eliminated duties on strategic categories such as semiconductor equipment, AI chips, and digital services. In exchange, the EU committed to buying $750 billion of American energy and funneling $600 billion in investments into the United States by 2028. A February Supreme Court decision stripped the president of broad IEEPA authority, forcing the administration to rely on a 10% universal surcharge while the legal status of the Turnberry provisions remained ambiguous.

The sudden jump to a 25% tariff on European automobiles is framed as a compliance penalty, yet no specific breach was identified. The move raises the tariff on finished vehicles to a level that would erase the estimated $545‑$654 million in monthly savings the EU enjoyed under the deal, while offering a narrow exemption for cars built in U.S. plants. Automakers with domestic production, such as BMW’s Spartanburg facility, are insulated, but firms that ship finished cars across the Atlantic, like Stellantis and Ferrari, saw shares dip 2% and 1.5% respectively. The policy also pressures European manufacturers to accelerate reshoring, echoing earlier tariff tactics used against China, Canada and Mexico.

Beyond autos, the auto tariff sets a precedent that threatens the agreement’s high‑tech pillars. The zero‑tariff regime for semiconductor equipment and the digital‑trade cooperation were the most valuable components for European tech firms. With Section 301 investigations already targeting high‑tech goods, the United States could extend punitive duties to chips and AI hardware, undermining Europe’s push for sovereign cloud and the ambitions of the European Chips Act. In response, the EU is bolstering domestic cloud contracts worth roughly $196 million and accelerating chip production, but the risk of a broader trade rupture could force European companies to diversify supply chains away from U.S. platforms, reshaping the transatlantic technology landscape.