1979 Gmc Sierra 454 Heavy Half Shortbed
Specifications
| Year | 1979 |
| Mileage | 100,000 mi |
| Transmission | Auto |
| Fuel Type | Gas |
| Drivetrain | RWD |
| Body Style | Truck |
| Condition | Good |
| Title Status | Clean |
| Exterior Color | Brown |
| Engine | 8 cylinders |
Owner's Pitch
"Rare 1979 GMC Sierra Classic 'Heavy Half' Shortbed with the legendary 454 Big Block. A true California survivor with zero rust and original Cordova Brown paint. Features rebuilt engine and transmission, upgraded 4.10 Posi rear end, and ice-cold A/C capability. Excellent bones for a full restoration or a high-end daily driver."
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Overview: This 1979 GMC Sierra Classic 'Heavy Half' is a true survivor and a rare find in Perris, California. It features the powerful 7.4L 454ci Big Block engine and a Wideside shortbed, presenting a rust-free body with clean title.
Mechanical Specs: Equipped with a rebuilt 454 V8 and a rebuilt automatic transmission. Performance is enhanced with an upgraded driveshaft and a 4.10 Yukon Posi-traction rear end. Features heavy-duty chassis components including HD shocks and front stabilizer bar.
Interior and Options: Highly optioned with the Sierra Classic equipment package (YE9), including air conditioning, cruise control, tilt wheel, and power steering. The interior is finished in Camel custom trim with color-keyed mats and a sliding rear window.
Exterior and Extras: Finished in Cordova Brown with a chromed grille and rear bumper. The truck sits on rally wheels with 3-bar spinners and newer whitewall tires. This is an excellent, ready-to-restore platform that currently runs and drives smooth.
Market Highlights
- The Square Body Renaissance: In the 2026 collector market, 1973-1987 GM trucks have surpassed many muscle cars in desirability. The 'Shortbed' configuration specifically commands a 30-40% premium over long-bed counterparts due to its sportier proportions and handling potential.
- Big Block Rarity: Finding a factory-spec Heavy Half with the 454ci V8 (LF8) that hasn't been abused or rusted out is increasingly difficult. The 'Heavy Half' F44 package provided a higher GVWR without the ride harshness of a 3/4 ton, making it the 'sweet spot' for enthusiasts.
- Regional Premium: Southern California vehicles like this Perris-based GMC are highly sought after nationwide. The lack of road salt and humidity preserves the factory 'bones' of the chassis, adding significant long-term value for buyers looking for a solid restoration platform.