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Classic GMC Trucks for Sale

GMC was never just a badge-engineered Chevrolet — through the '50s GMCs carried their own engines, and through every era they were pitched as the "professional grade" truck with unique trim and details. Today that translates into C10-era practicality with extra scarcity: fewer built, fewer survived, and a badge that stands out at any truck show. Browse current classic GMC listings below.

GMC C15, GMC 100, Sierra — all in one place.

GMC Sierra (79) GMC C/K Series (29) GMC C1500 (14) GMC C10 (12) GMC Jimmy (9) GMC Suburban (9) GMC High Sierra (5) GMC Yukon (5) GMC C2500 (4) GMC K10 (4) GMC AC Series (3) GMC Sprint (2)

185 listings found

1988 GMC Sierra Dealer
United States

1988 GMC Sierra

$120,000 6,200 miles
1968 GMC Fire Truck Featured
United States

1968 GMC Fire Truck

$6,500 $14,900
1990 GMC Sierra Dealer
United States

1990 GMC Sierra

$129,995
1991 GMC Sierra Dealer
United States

1991 GMC Sierra

$26,500
1970 GMC C20 Dealer
United States

1970 GMC C20

$10,795 116,000 miles
1976 GMC Jimmy Dealer
United States

1976 GMC Jimmy

$82,995 6,313 miles
1971 GMC C10 Dealer
United States

1971 GMC C10

$23,495 123 miles
1973 GMC Sierra Dealer
United States

1973 GMC Sierra

$6,995 27,609 miles
1965 GMC C/K Series Dealer
United States

1965 GMC C/K Series

$48,495 3,500 miles
1988 GMC Sierra Dealer
United States

1988 GMC Sierra

$14,495 82,172 miles
1994 GMC Sierra Dealer
United States

1994 GMC Sierra

$12,495 147,000 miles
1976 GMC C/K Series Dealer
United States

1976 GMC C/K Series

$16,995 40,000 miles
1987 GMC Jimmy Dealer
United States

1987 GMC Jimmy

$20,995 100,000 miles
1965 GMC C/K Series Dealer
United States

1965 GMC C/K Series

$9,795 200,000 miles
1978 GMC Sierra Dealer
United States

1978 GMC Sierra

$24,995
1987 GMC Jimmy Dealer
United States

1987 GMC Jimmy

$6,495 210,437 miles
1972 GMC C10 Dealer
United States

1972 GMC C10

$23,995 50,000 miles
1987 GMC Jimmy Dealer
United States

1987 GMC Jimmy

$35,495 7,887 miles
1978 GMC C2500 Dealer
United States

1978 GMC C2500

$19,495 65,575 miles
1996 GMC Sierra Dealer
United States

1996 GMC Sierra

$25,995 43,000 miles
1970 GMC C10 Dealer
United States

1970 GMC C10

$18,995 54,545 miles
1984 GMC Sierra Dealer
United States

1984 GMC Sierra

$13,495 80,000 miles
1990 GMC Sierra Dealer
United States

1990 GMC Sierra

$26,995
1966 GMC C/K Series Dealer
United States

1966 GMC C/K Series

$23,495

GMC vs Chevrolet — what is actually different

Through 1959, GMC trucks used their own engines — including the 270/302 inline-sixes beloved by hot-rodders, and even Pontiac-sourced V8s — plus distinct grilles and trim. From 1960 on, GMC and Chevy trucks shared platforms and most mechanicals, with GMC keeping its own front-end styling, badging, and trim hierarchy (Sierra, Sierra Grande, High Sierra). The practical upshot for buyers: C10 parts availability with a rarer badge.

What to look for when buying

Everything that applies to the equivalent Chevy applies here — rust in cab corners, floors, and bed; short beds and V8s lead demand; Sierra trims carry premiums. The 1955–1959 GMCs with their own engines are the connoisseur pick, genuinely scarcer than Task Force Chevys. For 1960-up trucks, market values track Chevy equivalents closely, often selling at a slight discount that makes them a smart buy.

Frequently asked questions

Before 1960, quite a lot — GMC used its own inline-six engines (270, 302) and even Pontiac V8s, plus unique front-end styling. From 1960 onward they shared platforms and mechanicals, with GMC keeping distinct grilles, badges, and trim names like Sierra. Parts interchange is near-total for 1960-up trucks.
The GMC C15 (and 1960–1965 GMC 1000/1500 series). Same platform, cab, and mechanicals, with GMC-specific front styling and trim. K15 is the 4x4 version. They typically sell slightly below equivalent C10s despite being rarer.
Track Chevy values with a small discount: projects under $5,000, drivers $8,000–20,000, restored short-bed 1967–1972 trucks $25,000–55,000. The 1955–1959 GMC-engined trucks are the exception, commanding strong money from collectors who value their scarcity.
Scarcity and value. GMC sold a fraction of Chevy volumes, so you see far fewer at shows — while enjoying identical parts support for 1960-up trucks. Buying at the typical GMC discount and owning the rarer truck is one of the classic truck market's quiet bargains.
The 270 and 302 GMC inline-sixes from the '40s and '50s — the 302 especially has a hot-rodding legacy that makes complete engines sought-after on their own. Trucks retaining these original engines carry a real premium over repowered examples.
Sierra started as GMC's trim hierarchy (Sierra, Sierra Grande, High Sierra) on 1971-up trucks before becoming the model name in 1988. Square body GMCs with high Sierra trims are appreciating alongside their Chevy Silverado-trim counterparts.

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