TT
Audi TT Open Sky Concept (2001)
The launch of the Audi TT Open Sky concept at the 2001 Frankfurt IAA motor show in Germany was largely missed by most of the world's press as the September 11th attacks on the United States upstaged most new introductions from that day.
Audi Steppenwolf Concept (2000)
Developed by Audi engineers as a study in versatility, the concept sought to combine the dynamics of a compact sports car with the capability of a serious off-road vehicle. Audi described the vehicle as an “all-around vehicle,” designed to perform equally well in high-speed road driving and rough terrain environments.
Audi TT Coupé Concept (1995)
The Audi TT concept emerged at a moment of transformation within Audi Design.

