Pontiac Trans Am

American car design peaked twice. The first peak was the 1950s, when post-war prosperity and genuine cultural euphoria produced colors, proportions, and detail work that no subsequent era has matched. The second peak was shorter, more aggressive, and in many ways more interesting: the roughly decade-long window from 1964 to 1974 when American muscle car design produced some of the most visually forceful objects ever put on public roads. Then four things happened simultaneously and it was over within eighteen months...

The 1969 Ford Mustang Mach 1 looks better today than it did when it was new. The 2002 Pontiac Aztek looks exactly as bad as it did in 2002, possibly worse now that the cultural context that produced it has faded. Both cars are over twenty years old. Only one of them aged. The question of why some cars improve with time and others calcify into their worst qualities is worth taking seriously because the answer tells you something about what good design actually is...