For Sale: 1972 Buick Gran Sport in Bradenton, Florida

1972 Buick GS 455 Stage 1 �€" Heavily Optioned, Documented, and Road-Ready Why This Car Is Special The 1972 Buick GS 455 Stage 1 sits at a very specific crossroads in American automotive history. By 1972, the muscle car era was effectively over. Insurance surcharges had made high-performance cars expensive to own, emissions regulations had begun strangling output, and the Big Three were quietly walking away from the horsepower race. What Buick produced that year with the GS 455 Stage 1 was essentially a last stand �€" a factory-built, high-torque performance car that could still embarrass nearly anything on the road, wrapped in enough luxury to justify the sticker to a Buick buyer. The Stage 1 package was not a cosmetic upgrade. It included a specific camshaft grind, a larger carburetor, revised cylinder heads with bigger valves, and a higher-flow exhaust manifold setup. Buick rated the 1972 Stage 1 at 270 horsepower under the new SAE net measurement standard, but that number is misleading to anyone who drove one back-to-back with the competition. The torque figure tells the real story: 390 lb-ft, delivered low in the RPM range. That made the 1972 Buick GS 455 Stage 1 a strong performer on the street despite what the spec sheet suggested. What makes this particular 1972 Buick GS 455 Stage 1 stand apart from most survivors is the depth of its factory option content. This is not a base GS that someone added a Stage 1 badge to. The VIN decodes to a factory Sport Coupe body style with the Stage 1 engine, and the options list reads like a dealer tried to tick every available box. Factory air conditioning, power windows, power door locks, cruise control, rear defrost, and an 8-track player were all expensive add-ons in 1972, and having all of them together on a Stage 1 car �€" rather than spread across a more sedate Skylark �€" is genuinely uncommon. Finding a Stage 1 car with this kind of content intact is increasingly difficult. Most were driven hard and stripped or modified over the decades. The exterior color is Wine Mist, a deep maroon with a burgundy quality in direct sunlight. It is paired with a white vinyl top and a white interior, which was the correct and desirable factory combination for this color. The car presents well from every angle and carries its correct factory details throughout. Features List - 455 ci V8 Engine with Stage 1 Performance Package - TH400 Three-Speed Automatic Transmission - Factory Air Conditioning - Power Steering - Power Front Disc Brakes - Power Windows - Power Door Locks - Factory Cruise Control - Factory Rear Window Defrost - Factory Console with Floor Shifter - Bucket Seats with Headrests - Tilt Steering Wheel - AM/FM Stereo Radio - Factory Buick 8-Track Player - Wood-Grain Interior Trim - Factory Floor Mats with Buick Logo - Correct Air-Inducted Hood - Correct Buick Sport Wheels - Michelin Tires - Thru-Bumper Exhaust (Factory Option) - Dual Exhaust System - Front and Rear Sway Bars - Bumper Guards - Body-Side Accent Stripe - Remote Outside Mirror - Correct T-3 Sealed Beam Headlights Mechanical The heart of this car is the 455 cubic inch V8 equipped with the Stage 1 performance package. To understand what that means, it helps to know what separated Stage 1 from the standard 455. Buick engineers fitted the Stage 1 with a more aggressive hydraulic camshaft, a Rochester Quadrajet carburetor modified for greater flow, and cylinder heads with larger intake and exhaust valves. The exhaust manifolding was also revised to reduce back pressure. The result was an engine that produced its torque earlier and more broadly across the RPM band than the base 455, making it more effective in real-world driving than drag strip numbers alone would suggest. Behind the engine sits a Turbo-Hydramatic TH400 three-speed automatic transmission, which was the correct and appropriate pairing for a Stage 1 car. The TH400 is a robust unit well-regarded for its durability under hard use. The underside photos