The 1965 Buick Riviera Gran Sport (GS) stands as a testament to the fusion of luxury and muscle, boasting impressive performance capabilities that allowed it to reach 60 mph in approximately 7 seconds ...
Known as one of the most beautiful American cars of its era, the first-gen Riviera received an infusion of muscle in 1965 thanks to the addition of the Gran Sport performance package. By the late ...
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