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The Pinnacle of Buick Muscle Car Convertibles: The 1972 model year marked the final chapter for the legendary Buick Gran Sport (GS) as a truly high-performance machine in its purest form. Amidst tightening emissions regulations, the GS 455 Convertible stood as a last hurrah, representing the potent blend of Buick luxury and raw muscle car power. This particular example, identified as Lot L158 at Indy 2025, holds significant rarity, being one of a mere 126 GS 455 convertibles produced for the 1972 model year. This low production number, combined with its matching-numbers 455 cubic inch V8 engine, makes it an exceptionally desirable and collectible piece of American muscle car history.
The Legendary 455 Cubic Inch V8 Powerhouse: At the heart of this rare 1972 Buick GS 455 Convertible lies its original, matching-numbers 455 cubic inch V8 engine. This iconic Buick big-block was renowned for its prodigious torque, making it a formidable performer both on the street and the drag strip. While factory horsepower ratings for the 1972 455 were officially listed at 270 net horsepower due to the shift to net rating standards, its real-world power and especially its massive torque figure (around 390 lb-ft) provided exhilarating acceleration. This power is channeled through a robust Turbo 400 automatic transmission, a heavy-duty unit well-suited to handle the 455’s output. Adding to the performance and iconic look is a functional Ram Air hood, designed to feed cool air directly to the engine for optimized power. The optional N25 rear bumper with exhaust cutouts further enhances the car’s aggressive styling and allows the powerful V8 to announce its presence.
Classic Buick Styling and Convertible Appeal: The 1972 Buick GS Convertible retained the stylish lines of the era, featuring chrome bumpers and trim that added a touch of classic American elegance to its muscular stance. This example is finished in a striking blue exterior, complemented by a power-operated white convertible top, offering the joy of open-air cruising. The white interior provides a clean and contrasting aesthetic. Inside, a tachometer keeps the driver informed of the engine’s RPM, a crucial instrument for any performance enthusiast. The car is equipped with power steering for ease of maneuverability and power front disc brakes for confident stopping power. It rides on iconic 15-inch chrome Buick Rally wheels, a signature styling cue of the GS models.
A Rare Opportunity for Muscle Car Collectors: This 1972 Buick GS 455 Convertible represents an exceedingly rare opportunity to acquire one of the most sought-after Buick muscle cars of its time. Its status as one of only 126 produced, combined with its matching-numbers 455 V8 engine, Turbo 400 automatic transmission, functional Ram Air hood, and optional N25 rear bumper, makes it a highly desirable collectible. The odometer reading of 52,966 miles is noted as “reads,” suggesting potential mileage accuracy to be verified. This convertible offers a blend of Buick’s refined styling, the raw power of its legendary big-block engine, and the open-top driving experience that is synonymous with classic American muscle. It is a true testament to the end of an era and a must-have for any serious muscle car enthusiast or collector seeking a rare and powerful piece of automotive history.
Summary:
- 1972 Buick GS 455 Convertible.
- One of only 126 produced for the model year.
- Matching numbers 455 CI V-8 engine.
- Turbo 400 automatic transmission.
- Blue exterior with a power-operated white convertible top.
- White interior with tachometer.
- Functional Ram Air hood.
- Optional N25 rear bumper with exhaust cutouts.
- Power steering and power front disc brakes.
- 15-inch chrome Buick Rally wheels.
Disclaimer: Odometer reading is stated as “reads” and actual mileage is unknown. Potential buyers are advised to conduct their own thorough inspection and verification of the vehicle’s condition, mileage, and originality.
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