The High Sierra trim was one of the nicer trim levels available for ’77 GMC Pickups. This example came with loads of upgrades and features including dual electric horns, heavy-duty springs,  a chain-driven transfer case, gas tank skid plates, and many other items. The third-generation trucks offered far more ergonomic interiors and were GMC’s entry into the square-bodied truck market of the ’70s. This High Sierra is offered for auction on eBay. Bidding ends November, 29th.

This High Sierra is a reportedly rare color combination of two-toned colonial yellow over a buckskin interior. The exterior appears to be in excellent condition, though the seller notes some minor flaws are present in the paint and the windshield is cracked. The truck is equipped with a chrome package, a sliding rear window, and a winch and is a short-bed model. With some minor work, the exterior of the truck could be like new.

The High Sierra’s interior appears to be in decent condition. The cloth seat is finished in factory Buckskin and the door panels are finished in a matching vinyl with wood and embellished metal accents. The dash appears to be free of cracks. However, the owner notes that some of the gauges no longer function. The cabin also has factory air conditioning and a cassette tape.

The seller did not include engine bay photos but did note that the pickup is powered by a 350ci 5.7l GM Goodrich engine. Power is sent to all four wheels via a turbo 400 transmission. The truck is said to have had the transmission and torque converter rebuilt less than 200 miles ago. The truck is a great driver perfect for anyone who wants to further modify and perfect it, or just enjoy it in its current condition. If you want to be this High Sierra’s next owner submit your bid on eBay.