Unofficial

The Passenger Car Factory released many prototypes that never made it to production. Many of them are would-be automotive gems.

The difference between a classic and an old junker is not as glaring as you might think. Some cars we love, others we try to forget, but how is it with Opel?

Sports cars from the 1920s are really interesting designs. They don't resemble the cars we know today, and most didn't use aerodynamic principles. Here are 5 sports cars from that era.