Used GMC C5 Price in the US
A used GMC C5 in the US typically lists for $14,751–$22,848, with a median asking price of $19,972 across 24 active US dealer listings (as of 2026-09-03). The cheapest one listed right now is $3,500, a 2005 in Richmond Hill, GA — below 95% of the market, so expect an older model year, a base trim or high mileage.
Browse by model year
cheapest per yearCheapest 10 listed right now
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$13,5002018 GMC C5 Medium Conventional 97144,244 mi · Morehead City, NC · Parker Buick GMCView listing →
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$15,1682018 GMC C5 Medium Conventional 97128,606 mi · Okeechobee, FL · Okeechobee Dodge Chrysler JeepView listing →
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$15,6862018 GMC C5 Medium Conventional 97122,981 mi · Palm Harbor, FL · Tasca LincolnView listing →
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$17,7472018 GMC C5 Medium Conventional 97104,000 mi · Panama City, FL · Go 2 Auto'sView listing →
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used GMC C5 asks $14,751–$22,848. Cars this far under usually carry an older model year, a base trim or high mileage.
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10 pinnedFAQ
How much does a used GMC C5 cost?
A used GMC C5 in the US typically lists for $14,751 to $22,848, with a median asking price of $19,972 across 24 active US dealer listings. Nine in ten are priced between $6,283 and $30,793 (as of 2026-09-03, source: UnderMarket Cars).
Is $20,000 a good price for a used GMC C5?
That sits at about the market median ($19,972) for a used GMC C5. Under $14,751 puts you in the cheapest quarter of active US listings and under $6,283 in the cheapest 5%; above $30,793 is the priciest 5% (as of 2026-09-03).
What is the cheapest used GMC C5 for sale right now?
$3,500 — a 2005 GMC C5 in Richmond Hill, GA, $16,472 under the median (as of 2026-09-03).
Are these MSRP or real asking prices?
Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.
How often are prices updated?
UnderMarket Cars refreshes US dealer listings continuously and re-generates this used GMC C5 price page at least twice a day. The data date shown on this page is 2026-09-03.
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Prices updated 2026-09-03. Data covers active dealer listings across the USA.