Cheapest · Used 2018 GMC C5
Rank #1 / 9 listings
Cheapest Used 2018 GMC C5 for Sale in the US
The cheapest used 2018 GMC C5 in the US today costs $19,995 — a 2018 Medium Conventional 97 located in Yuma, AZ. We track 9 active listings; the median price is $23,000, so the top deal is $3,005 under the median.
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cheapest per yearTop 9 cheapest listings
ranked by price-
$19,9952018 GMC C5 Medium Conventional 97102,951 mi · Yuma, AZ · Michelle's Auto SalesView listing → -
$21,7002018 GMC C5 Medium Conventional 97114,722 mi · NEWPORT NEWS, VA · Suttle Motor CorporationView listing → -
$22,1072018 GMC C5 Medium Conventional 9795,195 mi · Greer, SC · Escude Nissan of GreerView listing → -
$22,4992018 GMC C5 Medium Conventional 9757,078 mi · Tampa, FL · Car Choice FinancingView listing → -
$23,0002018 GMC C5 Medium Conventional 9779,236 mi · Fort Pierce, FL · Garber Buick GMC of Ft PierceView listing → -
$26,4502018 GMC C5 Medium Conventional 9732,529 mi · Cookeville, TN · Nissan of CookevilleView listing →
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$26,9972018 GMC C5 Medium Conventional 9736,952 mi · Cocoa, FL · Mike Erdman NissanView listing → -
$26,9982018 GMC C5 Medium Conventional 9748,108 mi · Charlotte, NC · CarMax Independence BoulevardView listing → -
$27,9952018 GMC C5 Medium Conventional 9734,850 mi · San Diego, CA · San Diego Auto HouseView listing →
Deals on the map
9 pinnedFAQ
How much does the cheapest used 2018 GMC C5 cost?
$19,995 — a 2018 Medium Conventional 97 in Yuma, AZ (as of 2026-07-19).
What is the median price of a used 2018 GMC C5?
$23,000 across 9 US dealer active listings.
How often are prices updated?
Listings and prices refresh continuously; this page is re-generated at least twice a day.
Explore more
Prices updated 2026-07-19. Data covers active dealer listings across the USA.