The Rise of the “Colonnade” Hardtops: A Mid-Sized Revolution
The “Colonnade” hardtops represent a significant era in American automotive design, primarily spanning the 1973 through 1977 model years. Introduced by General Motors across its Chevrolet, Pontiac, Oldsmobile, and Buick divisions, these intermediate-sized cars were characterized by their distinctive pillarless hardtop styling that incorporated fixed center pillars for enhanced rollover protection. This design shift came … Read more