1968 Buick GS400 Convertible â Matching Numbers, Restored Muscle Car Rarity! Professionally Restored Buick GS400 Convertible â high quality restoration Only 2,024 Gran Sport Convertibles Built in 1968 out of 133,560 Skylarks â extremely rare and collectible Rebuilt Matching #'s Numbers 400 CID H.O. 6.6L V8 Engine â factory-rated at 340 horsepower Rebuilt Heavy-Duty Turbo 400 Automatic Transmission â Buick's powerhouse setup Original and Rare Posi-Traction HD Rear Differential â factory correct and hard to find Correct Code âRâ Scarlet Red Paint â professionally detailed and mirror finished Luxury two tone Interior â sharp contrast Full Factory Gauge Cluster â includes 120 MPH Speedometer, Fuel, Oil, Water Temp, and Clock Original Buick GS 3-Spoke Polished Steering Wheel â stylish and era-correct Factory Original Sonomatic Delco AM Radio â untouched, vintage charm X-M Radio unit and antenna Show-Ready Detailed Engine Bay â true to factory specs Optional Fast-Ratio Power Steering â smooth and confident driving Optional Power Brake System â safe, reliable stopping Correct 14x7 Buick Rally Chrome Wheels â wrapped in New Tires for authentic styling Bright Polished Chrome and Stainless Trim â gleaming from every angle Great-Sounding Dual Exhaust with Correct Factory Tips â deep, classic muscle tone Detailed Trunk Compartment â includes correct mat, full-size spare, and jack Includes Original Owner's Manuals and Partial Build Sheet â solid documentation This 1968 Buick GS400 Convertible is a rare piece of Buick muscle car history. Featuring matching numbers, reliable automatic transmission, and a professionally restored body and interior, this Scarlet Red convertible is ready for show or cruising. Collector-quality, investment-grade and packed with rare options â this is how you buy a '68 Buick GS400.