Classic GMC Buyer's Guides

Complete buyer's guide for the classic GMC 100 half-ton pickup (1947–1959). How the GMC differs from its Chevrolet twin, what to inspect, and why smart buyers have been quietly acquiring these trucks for years.

Definitive buyer's guide for classic GMC Pickup 1947-1972. Advance Design, Blue Chip, and Action Line generations, frame and bed inspection, current pricing for survivors and resto-mods.

Definitive buyer's guide for classic GMC Sierra 1971-1998. Square-body and OBS generations, frame and bed inspection, small-block and big-block V8 identification, current pricing.

The GMC 1500 half-ton has always been the quiet achiever of the classic truck world — built on the same bones as the Chevy C/K but sold as the "professional" option, with distinct styling and a following that fiercely defends the difference.

The GMC 2500 three-quarter-ton pickup was the working truck that the C10 half-ton buyers couldn't afford to rely on — heavier springs, stronger axles, and the kind of payload capacity that meant something to buyers who actually needed to haul, not just look good doing it.

The GMC C/K Series covers every payload class of the professional-grade truck lineup — from the half-ton C15 through the one-ton C35 — giving buyers a complete picture of the most capable and best-supported classic truck platform in American history.