- NSU T32 prototype by Porsche 1933 fr3q 1243 visits
- NSU T32 prototype by Porsche 1933 r3q 1280 visits
- Porsche 911 1965 targa prototype rebody by University of Aachen 1968 fl3q 1326 visits
- Porsche 911 1965 targa prototype rebody by University of Aachen 1968 side 1216 visits
- Porsche 924 EA 425 prototype 1974 fr3q 2758 visits
- Porsche 924 EA 425 prototype 1974 r3q 3221 visits