| Make: | Buick |
| Model: | GS400 Convertible |
| Type: | Convertible |
| Trim: | Factory AC DOCUMENTED ! RARE ! |
| Doors: | 2 |
| Year: | 1968 |
| Mileage: | 14313 |
| VIN: | 446678Y176051 |
| Color: | Desert Beige |
| Engine: | 400ci Buick |
| Cylinders: | 8 |
| Fuel: | Gasoline |
| Transmission: | Automatic |
| Drive type: | 2WD |
| Interior color: | Black |
| Drive side: | Left-Hand Drive |
| Vehicle Title: | Clean |
| Item location: | Holden, Missouri, United States |
1968 BUICK GS 400 CONVERTIBLE — 1 OF 2,454 BUILT!
ORIGINAL BUILD SHEET & PROTECT-O-PLATE DOCUMENTED
Asking Price: $44,900
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Location: Holden, MO 64040
Call Patrick @ 9️⃣1️⃣3️⃣.6️⃣8️⃣9️⃣.0️⃣4️⃣4️⃣7️⃣
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If you’ve been hunting for an authentic, blue-chip GM A-body convertible with rock-solid pedigree, stop scrolling. This is a real-deal, factory-built 1968 Buick GS 400 Convertible (Model 44667) — one of only 2,454 convertibles produced for 1968! They estimate as few as "600" GS400 Convertibles were delivered with Factory Air and this car has it and more !
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⏳ DON'T MISS THIS RARE FIND! ⏳
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Finished in classic Desert Beige over crisp Black vinyl with a power convertible soft top, this GS delivers the ultimate combination of luxury muscle cruiser presence and pavement-pounding big-block torque.
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UNMATCHED PAPER TRAIL & PROVENANCE - Most classic muscle cars have lost their original paperwork decades ago. This car carries bulletproof East Coast provenance from day one:
✅ Original GM Wilmington Assembly Plant Broadcast / Build Sheet
✅ Original Factory Protect-O-Plate warranty card
✅ Original New Vehicle Warranty & Protection Plan booklet
✅ Original 1968 Buick Owner’s Manual & Folding Top Operation manual
✅ Original factory starting instruction hang tag
✅ Original Selling Dealer packet
✅ Vintage metal dealer badge from Stillman & Hoag Inc. in Englewood, NJ
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THE OVERVIEW: TURN-KEY MUSCLE
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THE DRIVETRAIN & PERFORMANCE UPGRADES Under the hood sits the original numbers-matching 400 cubic inch Big-Block V8 block, upgraded where it counts:
✅ Upgraded Stage 1 Aluminum Cylinder Heads — sheds roughly 50 lbs off the nose, drastically improves airflow, and eliminates traditional big-block overheating on modern pump gas
✅ Heavy-duty Turbo Hydra-Matic 400 (TH400) 3-speed automatic transmission with deep finned cooling pan
✅ Custom mandrel-bent dual exhaust system with X-pipe and dual mufflers — sounds incredible with zero drone
✅ Heavy-duty rear sway bar and boxed lower trailing arms for flat, modern handling
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LOADED FACTORY HIGH-OPTION SPEC
✅ Factory All-Weather Air Conditioning (C60)
✅ Factory Power Windows (A31)
✅ Power Front Brakes (J50) & Power Steering (N40)
✅ Buick Chrome 5-Spoke Road Wheels on fresh BFGoodrich Radial T/A tires
✅ Split-back front bench seat with GM safety belts
✅ Factory in-dash clock, Speed Alert, and Sonomatic radio
✅ Includes matching spare wheel, jack setup, and black parade boot
The body is straight with clean lines, crisp panel gaps, and brilliant chrome front to back. The underside floor pans and frame rails are solid and clean.
This car has had High performance aluminum heads installed that are up to the task for modern unleaded fuel. The motor has been professionally built along with the head change and is the factory original motor. $10,000+ has been spent on making the engine modernized and very very nice and powerful. All receipts included.
Turnkey, fully sorted, and ready for cruise nights, regional shows, or an elite GM collection. Clean title in hand. Serious inquiries only. Message me to ask any questions or feel free to call.
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I have included a PHOTO GALLERY click here ----> https://e0xn1ao.s.gy/my-link
There are 20 in the ad, but I have many more in the link.
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Location: Holden, MO 64040 - $44,900
Call or Text Patrick @ 9️⃣1️⃣3️⃣.6️⃣8️⃣9️⃣.0️⃣4️⃣4️⃣7️⃣ at your convenience with questions or to discuss .
I can ship anywhere in the USA with very reasonable rates and standby to assist with your purchase.