Cheapest · Used 2018 GMC Sierra HD
Rank #1 / 1 listings
Cheapest Used 2018 GMC Sierra HD for Sale in the US
The cheapest used 2018 GMC Sierra HD in the US today costs $47,500 — a 2018 Denali located in Louisville, KY. We track 1 active listing.
Browse by model year
cheapest per year- All years
- 2026 · from $7,282
- 2025 · from $19,980
- 2024 · from $23,480
- 2023 · from $4,500
- 2022 · from $20,900
- 2021 · from $24,800
- 2020 · from $34,998
- 2019 · from $13,990
- 2018 · from $47,500
- 2017 · from $9,900
- 2016 · from $30,900
- 2015 · from $30,999
- 2014 · from $24,995
- 2013 · from $8,935
- 2007 · from $14,995
- 2005 · from $21,995
- 2004 · from $22,988
The only listing right now
ranked by price-
$47,5002018 GMC Sierra HD Denali108,294 mi · Louisville, KY · Kearney Motorsports- J-TownView listing →
FAQ
How much does the cheapest used 2018 GMC Sierra HD cost?
$47,500 — a 2018 Denali in Louisville, KY (as of 2026-07-19).
What is the median price of a used 2018 GMC Sierra HD?
$47,500 across 1 US dealer active listing.
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.