Not sure where you get your figures from regarding trucksIf a VW car in germany costs 10,000, you pay VAT on $10,000
If a VW truck in germany costs 10,000, you pay VAT on $10,000
If a chevy car in germany costs 10,000, you pay VAT on $10,000, and 10% import duty on $10,000
If a chevy truck in germany costs 10,000, you pay VAT on $10,000, and 10% import duty on $10,000
If a VW car in the US costs 10,000, you pay a 2.5% import duty
If a VW truck in the US costs 10,000, you pay a 25% import duty
If a chevy car in the US costs 10,000, you don't pay federal tax
If a chevy truck in the US costs 10,000, you don't pay federal tax.
Considering trucks typically transact at greater prices than cars, and that truck volume is greater than car volume, which tariff scheme represents a greater trade barrier?

Medium and heavy-duty truck imports and exports of the United States with the EU | Statista
The United States' trade balance with the European Union for medium and heavy-duty trucks was consistently negative between 2008 and 2024.
Medium and heavy-duty truck imports and exports of the U.S. with the EU 2008-2024
The United States' trade balance with the European Union for medium and heavy-duty trucks was consistently negative between 2008 and 2024. In 2024, the country imported such goods for at total of 314.5 million U.S. dollars, compared to exports worth around 24.4 million U.S. dollars.