If your searching to buy the most American made Car or Truck, there are several websites you may wish to visit before making the decision.
American University’s Kogod School of Business has a Made in America 2019 Made in America Auto Index that encompasses a wide range of publicly available data which rank the economic value of over 300 models of different Auto and Pickup manufacturers. To see all of the vehicles, click on the Show entries box located just above the red Rank box about 1/8th of the way down the page.
The 2020 Cars.com website lists the 91 vehicles, including hybrid and plug-ins, that claim final assembly here in the USA.
If you have no bias toward foreign parts and companies (U.S. and Canadian content are combined into the content percentage) visit the U.S. Department of Transportation, National Highway Traffic Safety Administration website and view the 2020 AALA parts content percentage chart. The list includes final assembly, engine, and transmission source locations. Click on the 2019 PDF and download the information.
If you want to buy a Union Made Car or Truck; after visiting the websites listed above visit the The 2019 UAW Union-Built Vehicle Guide: list of UAW made Cars, Vans, SUV’s, and Trucks. Also a 2020 PDF is available.
Note: According to iTechPost the “2017 Tesla Model 3 Will Come With 95% Of The Parts Made In The U.S.”.