1970 Buick GS455

Rotisserie Restored Buick GS 455 Convertible

This 1970 Buick GS 455 convertible is an undeniable symbol of American muscle with a touch of class—a beautifully restored example of one of the most powerful cars of the golden era. Fully rotisserie restored and finished in deep Burgundy Mist with a crisp white power convertible top, this Gran Sport commands attention wherever it goes.

Under the hood lies the heart of this muscle car: the legendary 455 cubic inch (7.5L) V8, rated at 350 horsepower and an earth-moving 510 lb-ft of torque—the highest torque figure of any American car in 1970. Backed by a TH-400 3-speed automatic transmission, this big-block Buick doesn't just move; it surges forward with effortless power and authority.

The interior is just as striking, with white vinyl bucket seats, matching door panels, and a clean dashboard that features a working factory clock and original radio. Power steering and power brakes make this Buick GS a breeze to drive. The power convertible top with matching boot cover makes it easy to go from boulevard cruiser to open-air showstopper at the push of a button.

This 1970 Buick GS 455 rides on factory-style wheels and retains the poised, refined stance that made it stand apart from other muscle cars of the era. It wasn't just about brute force—Buick brought luxury to the muscle game, and this example proudly carries that tradition forward.

This Buick GS convertible checks all the right boxes—rotisserie restored, numbers-correct components, and one of the most desirable engines ever built. It's more than just a 1970 Buick Gran Sport—it's a rare and powerful icon, restored to turn heads and melt tires. Whether you're looking for a show car or a street legend, this Buick legend is ready for its next chapter!