The Forgotten Muscle Luxury Icon: 1971 Buick Riviera Gran Sport Boat-Tail

Muscle cars had their moment from about 1964 to 1970. Pontiac dropped the GTO in '64 and suddenly everyone was shoving massive V8s into whatever would fit. Pretty straightforward idea: big engine, ideally a stick shift, make it haul.

Things started falling apart in 1971. Emissions rules, insurance costs, the whole deal. Most muscle cars got neutered pretty quick. But the Buick Riviera got this absolutely wild redesign that year, and with the Gran Sport package, it became something really special that almost nobody remembers.

How a Trim Package Became a Boat-Tail Legend

Buick slapped the Riviera name on fancy versions of cars like the Roadmaster back in 1949. It's Italian for coastline, supposed to sound expensive. Finally became its own actual car in 1963 as a luxury coupe. Added the GS version in 1965 with some actual punch.

Then 1971 happened and designer Jerry Hirschberg went absolutely nuts with it. Nobody had seen a Buick look like this before. The back end got this massive sloping window lifted from the C2 Corvette and that boat-tail design that's just insane to look at.

Buick really needed this too. Half their lineup looked like rebadged Oldsmobiles at that point. The new Riviera was supposed to remind people what Buick used to be while also looking futuristic.

Except buyers hated it. Only sold 33,810 of them in 1971, worst sales the Riviera ever had. Too weird looking, too big, too pricey. People figured if they're spending that much anyway, might as well get an Eldorado for a bit more.

GS Package Fixed Everything

The Gran Sport option changed the whole equation. That 455 cubic inch V8 got a hotter cam, nickel-plated valves for the new unleaded gas, ended up making 330 horses and 455 lb-ft of torque. Three-speed automatic, performance gears (3.42:1 instead of 2.93:1), stiffer suspension, quicker steering.

Yeah, it weighed over 4,200 pounds. Still hit 60 in about 8 seconds, cleared the quarter mile just under 16, topped out past 130. Pretty wild for something that big and luxurious.

What People Pay Now

A beater goes for around $13,300. Something you can actually drive without embarrassment runs closer to $24,000. Nice show car quality is around $48,000. Perfect trailer queen condition hits $72,000.

Not Mustang money but not cheap either.

Then It All Went Downhill

1973 emissions regs killed everything. Engines that made 400 hp in 1970 barely cracked 200 three years later. Buick ditched the GS package after '73.

Riviera kept going as a luxury car. Got smaller in '77 to deal with gas prices, went front-wheel drive in '79, lost the body-on-frame setup in '85. The last generation in 1995 had a supercharged V6 that was actually pretty quick, but sales sucked. Moved less than 11,000 in 1998 and that was it.

Couple concepts showed up in 2007 and 2013 but Buick never built them. Name's basically dead now, which is nuts because that 1971 model with the boat-tail is legitimately one of the best looking cars from that entire era. Just got completely overshadowed and forgotten.