1977 GMC K15

1975 GMC K15 High Sierra 4x4 – 350 V8 | 4-Speed Manual | Southern Plains Truck | Driver-Quality Classic

This 1975 GMC K15 High Sierra is a classic GMC 4x4 offered in driver-quality condition, featuring desirable High Sierra trim and a traditional manual drivetrain. The truck is represented as a South Dakota truck, with minimal rust reported and no exposure to Minnesota road salt (reported).

Power comes from a small-block Chevrolet 350 V8, paired with a 4-speed manual transmission. The truck is described as running well, with tasteful, period-appropriate upgrades for drivability and sound.

Engine, Transmission & Drivetrain

• 350ci Small-Block Chevrolet V8

• 4-speed manual transmission

• 4x4 drivetrain

• Runs well (reported)

Performance & Mechanical Updates

• Edelbrock carburetor

• Edelbrock intake manifold

• HEI distributor

Wheels, Tires & Suspension

• Tires described as almost new, with approximately 1,000 miles of use (reported)

Interior & Electronics

• Classic Sounds–style radio with an original-look appearance

• Speakers mounted in the cab corners

• Interior presents as clean and driver-quality

Body & Condition

• High Sierra trim package

• Minimal rust reported; overall solid presentation

• Cosmetic condition consistent with age and use

• Not represented as restored, rust-free, or show-quality

Condition Summary

• Driver-quality classic GMC 4x4

• Mechanically usable with tasteful upgrades

• Honest, straightforward presentation

• Suitable for continued enjoyment or light refinement

Highlights

• 1975 GMC K15

• High Sierra trim

• Small-block V8

• Manual transmission

• 4x4 configuration

• Clean southern plains history (reported)

• Classic square-body GMC styling

This K15 is being offered as an honest classic driver, with condition reflective of age, maintenance history, and reported updates. Buyers are encouraged to review photos and conduct their own inspection to verify condition and suitability.

Purchase & Shipping Disclaimer

Purchase & Shipping
This vehicle is not currently owned by Butter Classics LLC but will be purchased by us upon buyer commitment. Butter Classics serves as a licensed dealer facilitating the purchase from a third-party seller.

We take possession of the title and handle all funds to ensure a secure transaction. Pricing listed reflects our retail sale price and may include sourcing, inspection, transportation, and processing fees.

Vehicle is not located in Boise, Idaho.
Shipping available to the lower 48 states for a flat rate of $850.
Dealer documentation fee of $595 applies.

All vehicle details, including photos and descriptions, are based on third-party information and believed to be accurate but not guaranteed. Buyers are encouraged to conduct their own due diligence prior to purchase.