Conceived as a direct response to GM sibling Pontiac's 1964 GTO and based on the same A-body platform, the Gran Sport was Buick's first foray into the realm of 1960s muscle. Throughout its history, ...

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 ...

A beautifully restored 1965 Buick Riviera Gran Sport, one of just 3,354 built that year with the high-performance GS package, is now being offered for sale in Arizona, representing a rare intersection ...

Legendary coachbuilder, designer, and Vice President of General Motors’ Styling Division Harley Earl retired from GM in the late 1950s. His replacement, Bill Mitchell, made one of his first projects ...

This 1965 Buick Riviera Gran Sport Coupe with a 425/360 HP V8 engine, factory air conditioning, and a rotisserie restoration ...

Super Wildcat V8 with dual four-barrel carbs, 360 hp. Brown with tan vinyl top and light saddle leather. Inferior-quality respray, evenly applied. Good chrome; some trim pieces have dings and ...

When Harley Earl retired from General Motors in the late 1950s, he left some mighty big shoes to fill. He had been GM’s first VP of Styling, the first to use modeling clay to develop new car mock-ups, ...