In a determination of the value of brands, Ford was ranked #6, at about 1/3 the value of Toyota.
The rankings:
1 Toyota $33.4B
2 BMW $25.8B
3 Mercedes $17.8B
4 Honda $15.5B
5 Porsche $13.4B
6 Ford $12.6B
7 Chevolet $11.2B
8 Nissan $11.2B
9 VW $7B
10 Lexus $5.4B
Of top ten auto brands, 4 Japanese (Toyota, Honda, Nissan and Lexus) 4 German (BMW, Mercedes, Porsche and VW) and only 2 (American Ford and Chevy) made the top 10.
These are the worldwide value of the brands, not just the american value.