A look back at the history of General Motors cars and trucks shows when the automaker got it right — and when it didn't.
1949 Buick Roadmaster: One of GM's mid-century triumphs of affordable technology. The convertible had a push-button drop-top. Eventually, the Roadmaster station wagon became the wood-sided "Woody," part of the lore of America's post-war suburban boom and Southern California's surfing scene. Improbcat Buy Photo