8. Audi A2
The Audi A2, launched in 1999, was a marvel of aluminum construction and cutting-edge efficiency. Its ultra-lightweight body and aerodynamic profile enabled outstanding fuel economy, anticipating the industry’s future focus on reducing emissions and weight.
However, the A2’s advanced building techniques made it expensive to produce, and its unconventional looks didn’t appeal to all buyers. At the time, few saw the value in lightweight engineering over traditional comfort and style.
Today, the A2 is recognized as a visionary effort. Discover more about this overlooked innovator at Autocar.