- NSU T32 prototype by Porsche 1933 fr3q 1410 visits
- NSU T32 prototype by Porsche 1933 r3q 1433 visits
- Porsche 911 1965 targa prototype rebody by University of Aachen 1968 fl3q 1502 visits
- Porsche 911 1965 targa prototype rebody by University of Aachen 1968 side 1383 visits
- Porsche 924 EA 425 prototype 1974 fr3q 2967 visits
- Porsche 924 EA 425 prototype 1974 r3q 3431 visits