In-Depth Answers

Editorial Q&A · 1 article

How much is a Buick GS 455 worth?

A Buick GS 455 in driver condition sells for $30,000–$65,000 in 2026. The Stage 1 option — factory-rated at 360 hp but dynoed consistently h...

By Mike Sullivan · 2 min read

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Recently Sold Buick GS

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Vehicle	Sold For	Date
1967 Buick GS	$39,900	Apr 2026
1965 Buick GS	$19,995	Apr 2026
1967 Buick GS	$45,000	Jan 2026
1968 Buick GS	$47,997	Dec 2025
1972 Buick GS	$32,495	Dec 2025
1971 Buick GS	$50,995	Dec 2025

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Frequently Asked Questions about the Buick GS

What variants of the Buick GS are most common?

Transmission breakdown across 5 Buick GS listings: automatic (100%). Body styles, trim packages, and engine options also vary by production year — see individual listings for spec details.

Can a classic Buick GS be used as a daily driver?

It depends on the year and condition. Newer Buick GS examples from later production years are more practical for daily use, while pre-1973 models suit weekend driving better. Modern conveniences (A/C, power steering) are more common in later years.

What engines were available in the Buick GS?

The most common engines in Buick GS listings are: 350 V8, 455 V8, 350. Engine availability varies by production year — earlier and performance variants typically use larger displacement options.

Where can I find parts for a Buick GS?

Marque-specific suppliers (Eckler's, NPD, Year One, Summit Racing, JEGS) stock reproduction and NOS parts for popular classic American models. For rare items, swap meets, online forums, and auction houses are best. Mechanical parts (engine, brakes) are widely available; trim and badging can be harder to source.

Do modifications affect the value of a Buick GS?

Reversible upgrades (electronic ignition, modern A/C, audio) generally don't hurt value. Irreversible mods (cut-up bodywork, non-original engines, painted-over trim) reduce collector value. Original numbers-matching examples command 20–40% premium over modified ones.

Does a classic Buick GS qualify for collector plates and insurance?

Most US states define a classic vehicle as 25+ years old. The Buick GS qualifies in most states for: collector/antique license plates (lower fees, mileage restrictions), classic-car-only insurance (Hagerty, Grundy), and exemption from emissions testing in many jurisdictions.