President Donald Trump is pushing tariffs to force companies to move manufacturing to the United States. Almost half of all new cars are built somewhere else and the supply chains for parts and materials is murky. But even the “most American-made” cars take at least 25% of their parts from other countries. So how much can the industry reshore? How much more would a car cost if it had 80 percent US parts? 90%? CNBC dove in to find out. Chapters: 00:00 - 01:15 Introduction 01:24 Chapter 1: A lack of transparency 04:46 Chapter 2: Global supply chains 06:59 Chapter 3: Sourcing challenges 11:26 Chapter 4: Solutions Produced by: Robert Ferris Edited by: Nic Golden Henry, Evan Lee Miller Animations: Mallory Brangan Additional Reporting: Michael Wayland Senior Managing Producer: Tala Hadavi Additional footage: Ferrari, Ford Getty Images, Stellantis, Volkswagen » Subscribe to CNBC: https://cnb.cx/SubscribeCNBC » Subscribe to CNBC TV: https://cnb.cx/SubscribeCNBCtelevision » Watch CNBC on the go with CNBC+: https://www.cnbc.com/WatchCNBCPlus About CNBC: From 'Wall Street' to 'Main Street' to award winning original documentaries and Reality TV series, CNBC has you covered. Experience special sneak peeks of your favorite shows, exclusive video and more. Do you want to buy a home but don’t know where to begin? Take CNBC’s new online course How to Buy Your First Home. Register today and use coupon code EARLYBIRD for an introductory discount of 30% off $97 (+taxes and fees) through July 15, 2025: https://cnb.cx/3STNNhr Connect with CNBC News Online Get the latest news: https://www.cnbc.com/ Follow CNBC on LinkedIn: https://cnb.cx/LinkedInCNBC Follow CNBC News on Instagram: https://cnb.cx/InstagramCNBC Follow CNBC News on Facebook: https://cnb.cx/LikeCNBC Follow CNBC on Threads: https://cnb.cx/threads Follow CNBC News on X: https://cnb.cx/FollowCNBC Follow CNBC on WhatsApp: https://cnb.cx/WhatsAppCNBC #CNBC Why A 100% American-Made Car Isn’t Possible