1. Toyota Tahara, Japan

2. Porsche Stuttgart, Germany

3. General Motors Lansing, MI

4. Honda Sayama, Japan

5. Toyota Higashi-Fuji, Japan

6. Honda Swindon, UK

7. Ford Browns Lane, UK

8. General Motors Hamtramck, MI

9. Ford Wixom, MI

General Motors' 2-year-old Lansing Grand River facility (Lansing, MI) is rated as the top automotive assembly plant in North and South America. Source: J.D. Power and Associates