Seat Proto T Concept '1989 designed by Italdesign

Seat Proto T Concept '1989
 
Seat Proto T Concept '1989
 

Seat Proto C Concept '1990 designed by Italdesign

Seat Proto C Concept '1990
Seat Proto C Concept '1990
Seat Proto C Concept '1990
Seat Proto C Concept '1990

Seat Proto TL Concept '1990 designed by Italdesign

Seat Proto TL Concept '1990
Seat Proto TL Concept '1990
Seat Proto TL Concept '1990
Interior Seat Proto TL Concept '1990

WheelsAge.org '2005–pr.