The 1964 Pontiac Grand Prix Sports Coupe is often cited as the pinnacle of Pontiac’s “Wide-Track” design era, offering a clean, sophisticated silhouette that eschewed the heavy chrome of its contemporaries. This specific example presents a fascinating departure from the norm, featuring a Buick big-block V8 swap that likely provides a significant increase in low-end torque. Finished in its original Cameo Ivory hue, the car successfully bridges the gap between a high-end cruiser and a unique mechanical restomod. It represents a distinctive entry into the full-size classic market, prioritizing smooth operation and a refined aesthetic for the discerning collector.
Cameo Ivory Paint and Timeless Sports Coupe Lines
The exterior of this Grand Prix is finished in OEM Cameo Ivory (E), a shade that perfectly highlights the car’s subtle body lines and formal roofline. A fairly recent repaint under prior ownership ensures a high-gloss finish that remains free of common blemishes, swirls, or cracking. The car retains its iconic stacked headlights and understated brightwork, which defined the brand’s premium positioning in 1964. Rolling on steel wheels wrapped in new Hankook radial whitewall tires, the car maintains a period-correct stance while offering the improved handling characteristics of modern rubber. It is a design that continues to age gracefully, standing out through elegance rather than aggression.
Black Vinyl Appointments with Factory Console Gauges
Inside, the cabin features a black vinyl bucket seat interior that the seller describes as being in good condition. The driver-focused environment includes a full-length center console that houses a factory-original vacuum gauge, a signature detail for performance-oriented Pontiacs of the mid-sixties. While a steering wheel cover has been added, the rest of the cockpit remains largely traditional, featuring an extra-cost AM/FM radio for a period-correct soundtrack. The interior serves as a comfortable time capsule, though it is noted that the driver-side rear window crank currently requires attention. It remains a sophisticated space that balances 1960s luxury with a clear sporting intent.
Buick Big-Block Authority and Floor-Shifted Smoothness
Under the hood, the original Pontiac mill has been replaced by a Buick big-block OHV V8, believed to be a 455 cubic-inch unit. This engine is upgraded with an Edelbrock four-barrel carburetor and an aluminum intake manifold, along with an HEI distributor for improved ignition reliability. While factory ratings for a Buick 455 varied, a well-equipped unit typically delivers approximately 350 hp and 510 lb-ft of torque (355 PS and 691 Nm). Power is routed through a three-speed automatic transmission controlled by a floor shifter. The setup is complemented by power steering and power drum brakes, ensuring the car remains a smooth and effortless cruiser on the open road.
| Technical Specifications | |
|---|---|
| Engine Type | Buick Big-Block OHV V-8 (Believed 455) |
| Induction | Edelbrock Carburetor / Intake |
| Transmission | 3-Speed Automatic |
| Ignition | HEI Distributor |
| Odometer | 90,506 Miles |
| Tires | Hankook Radial Whitewall |
A Unique Cross-Brand Hybrid in the GM Collector Space
The 1964 Pontiac Grand Prix Sports Coupe occupies a unique niche, often compared to the Buick Riviera and Oldsmobile Starfire. This particular car’s Buick engine swap makes it a rare “corporate hybrid” that might appeal to enthusiasts who value the torque-heavy characteristics of Buick’s big-block over the high-revving nature of Pontiac’s 389. While purists may prefer the original numbers-matching block, the quality of the repaint and the mechanical upgrades make this a highly usable weekend cruiser. In a market where full-size GM coupes are rapidly appreciating, this refreshed Grand Prix offers a distinctive mechanical personality at a competitive price point.
A Refined Cruiser with a Surprising Heart
This 1964 Pontiac Grand Prix Sports Coupe is a thumping reminder of the versatility of the General Motors B-body platform. It successfully bridges the gap between an elegant 1960s show car and a powerful, big-block-driven cruiser thanks to its recent cosmetic attention and mechanical upgrades. Crossing the block with a 2025 identification evaluation and a history of smooth performance, it stands ready for local cruise nights and regional tours. For the enthusiast who appreciates the Wide-Track look but wants a unique powertrain under the hood, this Grand Prix is an absolute standout. It remains a definitive piece of modified GM heritage.
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Source: hemmings.com
