Which would be the best way to combine the following sentences using an appositive?

I pulled the old car into the garage to start fixing it. It was a Model A Ford.

A. I pulled the old car, a Model A Ford, into the garage to start fixing it.
B. I pulled the old car into the garage, a Model A Ford, to start fixing it.
C. I pulled the old car into the garage to start fixing it, a Model A Ford.