An early adopter of front-wheel-drive boringness, the Citroen Traction Avant was a bad influence on the entire auto industry, ultimately being responsible for such atrocities as the GM X-car. Unreasonable accusations and assertions aside, the Traction Avant was straight from the future, like everything Citroen. Find this 1951 Citroen Traction Avant for sale in San Francisco, CA for $23,000 via craigslist. Tip from FuelTruck