The 1971 Buick Riviera redesign was a dramatic one. It had many of the same design cues as the 1963 Corvette Stingray, but on a 122-inch wheelbase. The concept car which foreshadowed it was the Silver Arrow III, which was even more radical. Under the hood the Rivera’s 455 cid V-8 developed either 315 or 330 horsepower in Gran Sport form. The horsepower drop was caused by compression reduction to 8.5:1, in preparation for unleaded gas. The interior was luxurious, with leather and vinyl upholstery and a wraparound dash with full instruments, console and floor-shift Turbo-Hydramatic transmission… read more >
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