Transparent Car (The Ghost Car), built in America by General Motors for the 1939 New York World's Fair, National Museum of Qatar, Doha, Qatar, Middle East

BMW Museum, record machine from 1937, Munich, Bavaria, Germany, Europe

General Motors EN-V concept vehicles; the pod-like two-passenger electric cars may someday be produced for short-range urban transportation; the blue vehicle is called Xiao, "laugh", and the red one is called Jiao, "pride", on display at the North America

DKW 3=6 Sonderklasse F 91 saloon special, built in 1955, museum mobile, Erlebniswelt Audi, Audi, Ingolstadt, Bavaria, Germany, Europe

Interior, new Porsche Museum, Stuttgart, Baden-Wuerttemberg, Germany, Europe

Auto Union 1000 S Coupe, 60 model built in 1961, museum mobile, Erlebniswelt Audi, Audi, Ingolstadt, Bavaria, Germany, Europe

The Ford Focus ST on display at the North American International Auto Show, Detroit, Michigan, USA

Auto Union 1000 S Coupe, 60 model built in 1961, museum mobile, Erlebniswelt Audi, Audi, Ingolstadt, Bavaria, Germany, Europe

The General Motors EN-V concept vehicle; the pod-like two-passenger electric car may someday be produced for short-range urban transportation, on display at the North American International Auto Show, Detroit, Michigan, USA

Auto Union 1000 S Coupe, 60 model built in 1961, museum mobile, Erlebniswelt Audi, Audi, Ingolstadt, Bavaria, Germany, Europe

Classic cars, classic car show, Theresienwiese area in Munich, Bavaria, Germany, Europe

Front of an old red Mercedes car

Interior view with Porsche sports cars, new Porsche Museum, Stuttgart, Baden-Wuerttemberg, Germany, Europe

Auto Union 1000 S Coupe, 60 model built in 1961, museum mobile, Erlebniswelt Audi, Audi, Ingolstadt, Bavaria, Germany, Europe

Classic car show, Theresienwiese area in Munich, Bavaria, Germany, Europe

BMW Welt, BMW World, Munich, Bavaria, Germany, Europe

2 VC Citroen, deux chevaux, classic car show, Theresienwiese area in Munich, Bavaria, Germany, Europe