Buick Gran Sport

Buick Gran Sport The Gran Sport was based on the new colonnade Century for 1973, and only in a 2-door coupe format. Engines this year were a 350 CID 2bbl V8, 350 CID 4bbl V8, 455 CID 4bbl V8, but the top power option was a GS-exclusive 455 CID 4bbl Stage-1 V8 making 270hp. Power […]
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