
Buyer Resources
- 1973 GMC C1500 Sierra Grande
- 454ci Big Block V8
- Rochester 4-Barrel Carburetor
- Turbo-Hydramatic 3-Speed Automatic
- RWD
- Orange/White Exterior
- Black Interior
- Black Bench Seat
- Long Bed
- Black Bed Liner
- Power Steering
- Power Brakes
- Air Conditioning
- Full Factory Gauge Cluster
- Original AM Radio
- Woodgrain Deluxe Door Panels & Gauge Trim
- Aftermarket Dual Exhaust System
- Factory Steel Wheels w/ GMC Chrome Hubcaps
- Dual Towing Mirrors
- Chrome Front Bumper
- Chrome Grille Surround
- Rear Step Bumper
This 1973 GMC C1500 Sierra Grande Long Bed combines classic square-body styling with the kind of big-block power that makes these early GM trucks especially appealing to enthusiasts. Showing approximately 39,376 miles, this example is powered by a 454ci big-block V8 paired with a Turbo-Hydramatic 3-speed automatic transmission and rear-wheel drive. Finished in a striking Orange & White two-tone exterior with a Black interior, it also brings together desirable comfort and usability features including power steering, power brakes, and air conditioning. With its long-bed configuration, upgraded dual exhaust, and period Sierra Grande trim details, this GMC delivers both vintage truck character and strong cruising appeal.
Exterior and Interior
The exterior of this 1973 GMC C1500 Sierra Grande Long Bed is finished in Orange & White two-tone and wears the upright, squared-off styling that helped define GM pickups of the era. The long bed is fitted with a Black bed liner, while factory steel wheels with GMC chrome hubcaps preserve a period-correct look. Dual towing mirrors, a chrome front bumper, chrome grille surround, and rear step bumper add to the truck’s practical, work-ready presentation, while the upgraded dual exhaust gives the big-block setup a more purposeful presence. The interior of this 1973 GMC C1500 Sierra Grande Long Bed is finished in Black and features a full-width bench seat along with Sierra Grande trim elements that give the cabin a more upscale feel than a basic work truck. Woodgrain deluxe door panels and gauge trim add period character, while the full factory gauge cluster keeps important information directly in view. The original AM radio remains in place, and conveniences including power steering, power brakes, and air conditioning help make this classic GMC more enjoyable to drive on modern roads.
Engine
Powering this 1973 GMC C1500 Sierra Grande Long Bed is a 454ci naturally aspirated big-block V8 fed by a Rochester 4-barrel carburetor. The engine is paired with a Turbo-Hydramatic 3-speed automatic transmission and sends power to the rear wheels. An upgraded dual exhaust complements the big-block setup, while power steering and power brakes add useful drivability to the truck’s traditional mechanical package. With its 454ci V8, long-bed configuration, and approximately 39,376 miles showing, this Sierra Grande offers the kind of straightforward big-block truck experience that continues to resonate with classic pickup enthusiasts.
Inspection
Built to tackle the toughest jobs of its era, the 1968 GMC C3500 represents a time when durability and simplicity defined American heavy-duty trucks. Today, examples like this have become increasingly sought after thanks to their unmistakable styling and endless versatility. Showing 108,258 miles, this C3500 has been tastefully customized with a rugged flatbed while retaining its hardworking character. Power comes from a 350ci V8 backed by a 4-speed manual transmission, making it equally at home hauling equipment, attending truck shows, or serving as a standout addition to any vintage collection.
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