MID-’60s MUSCLE: SMALL, MEDIUM, AND LARGE

automotive performance was traditionally regarded as a luxury feature, but by the ‘60s it had become obvious to General Motors that speed sold cars in any price range, so it started offering performance trim levels across its entire brand and size spectrum—from compact to intermediate, to full-size. Chevy and Pontiac occupied the bottom two rungs on the GM brand strategy ladder, but what those divisions lacked in prestige they made up for with performance bragging rights on a whole