Which dealership is best working for, Toyota, Ford, or Honda? (Working on cars)?

I'm joining a dealership program with an Internship and would like some help on a decision. I'll be working on cars.

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Originally I said Ford, but I'm changing my answer. Toyota is the best opportunity. The are partners with Tesla and Subaru and they own daihatsu, Lexus, Scion, and Hino Motors. They do much of their manufacturing in the United States. You could go from a Toyota dealership to work on just about any type of car you wanted and still be under the same company.

The best dealership is not by brand but rather who owns the dealership and the working environment they provide for their employees.