
The 1968 Buick GS 400 Custom Convertible returns to the spotlight with a frame-off restoration and a bold new character, making it a standout among classics. This 1968 Buick GS 400 Custom Convertible enters Kissimmee 2026 with LS3 power and a fresh interpretation of Buick performance heritage.
Classic GS Design With a Modern Edge
This convertible carries its vintage lines with confidence, yet every update adds purpose. The Tiffany Blue Aquamarine Pearl finish enhances its crisp bodywork, while the new boot top and refreshed chrome details create a balanced custom look.

Restoration Highlights and Key Modifications
The frame-off restoration introduces thoughtful upgrades without losing the car’s original spirit. New leather covers the factory seats, and the cabin gains air conditioning and a Retrosound radio with Bluetooth capability. These additions make the convertible more usable while keeping its period charm intact.

Mechanical Enhancements
Under the skin, the GS benefits from an Entropy dual fan radiator and a Ford 9-inch rear end chosen for durability. The car has been stored in a temperature-controlled garage, helping maintain its restored condition over time.
Power, Engine Specs, and Performance
The factory engine has been replaced with a 6.2L LS3 V-8 for stronger performance and better reliability. A Muncie Rock Crusher M22 4-speed manual transmission channels power with crisp engagement and a classic muscle car feel. Together, this pairing transforms the GS into a more responsive and confident cruiser.

Crossing the Block in Kissimmee
This 1968 Buick GS 400 Custom Convertible appears at Kissimmee 2026 on Sunday, January 11th. Its blend of modern performance, custom details and restored vintage character positions it as a compelling choice for collectors seeking a usable classic.
Summary
This restored GS 400 Custom Convertible brings together LS3 power, quality workmanship and a distinctive exterior. It respects its Buick roots while delivering upgraded performance and comfort, offering a strong mix of originality and modern capability.

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Source: mecum.com






