2018 GMC Sierra 1500s for Sale
Not looking for a truck? Start your search at Auto.com
2,991 Trucks Nationwide
Used 2018 Gmc Sierra 1500 Slt
$34,897$728Mo. Est.
good deal
173,896 miles Bill Smith Buick GmcCullman ALView Details >>
Used 2018 Gmc Sierra 1500 Slt
$39,987$834Mo. Est.
good deal
141,784 miles Bill Smith Buick GmcCullman ALView Details >>
Used 2018 Gmc Sierra 1500 Sle
$31,198$650Mo. Est.
good deal
145,088 miles Trent Family AutoKokomo INView Details >>- New Listing
Used 2018 Gmc Sierra 1500 Sle
$34,999$730Mo. Est.
fair deal
129,598 miles Your MthSaint Cloud MNView Details >> 
Used 2018 Gmc Sierra 1500 Denali
$41,334$862Mo. Est.
good deal
135,699 miles Nelson Mazda MurfreesboroMurfreesboro TNView Details >>
Used 2018 Gmc Sierra 1500 Sle
$55,988$1,167Mo. Est.
fair deal
28,649 miles Manteca FordManteca CAView Details >>- New Listing
![GMC Sierra 1500 2018 for Sale in Orlando, FL]()
Used 2018 Gmc Sierra 1500 Slt
$33,425$697Mo. Est.
good deal
153,712 miles Orange Buick GmcOrlando FLView Details >> ![GMC Sierra 1500 2018 for Sale in Bartlesville, OK]()
Used 2018 Gmc Sierra 1500 Sle
$32,900$686Mo. Est.
good deal
127,270 miles Patriot Buick Gmc HyundaiBartlesville OKView Details >>- New Listing
![GMC Sierra 1500 2018 for Sale in Fort Lupton, CO]()
Used 2018 Gmc Sierra 1500 Slt
$39,988$834Mo. Est.
good deal
128,308 miles Country Truck & AutoFort Lupton COView Details >> ![GMC Sierra 1500 2018 for Sale in Schertz, TX]()
CPO 2018 Gmc Sierra 1500
Certified Pre‑Owned$64,790$1,351Mo. Est.
fair deal
15,943 miles Gunn Buick GmcSchertz TXView Details >>![GMC Sierra 1500 2018 for Sale in Grove City, OH]()
Used 2018 Gmc Sierra 1500 Slt
$32,995$688Mo. Est.
good deal
153,834 miles Car SourceGrove City OHView Details >>![GMC Sierra 1500 2018 for Sale in Wausau, WI]()
Used 2018 Gmc Sierra 1500 Sle
$33,995$709Mo. Est.
good deal
119,291 miles Kocourek SubaruWausau WIView Details >>- New Listing
![GMC Sierra 1500 2018 for Sale in Columbus, IN]()
Used 2018 Gmc Sierra 1500 Sle
$33,000$688Mo. Est.
good deal
120,673 miles Chevrolet Of ColumbusColumbus INView Details >> ![GMC Sierra 1500 2018 for Sale in Tupelo, MS]()
Used 2018 Gmc Sierra 1500 Sle
$30,900$644Mo. Est.
good deal
126,284 miles Metro Ford Auto Sales IncTupelo MSView Details >>- New Listing
![GMC Sierra 1500 2018 for Sale in Tulsa, OK]()
Used 2018 Gmc Sierra 1500 Slt
$37,655$785Mo. Est.
good deal
126,981 miles Mark Allen Buick GmcTulsa OKView Details >> ![GMC Sierra 1500 2018 for Sale in Muncie, IN]()
Used 2018 Gmc Sierra 1500 Slt
$44,700$932Mo. Est.
good deal
98,942 miles Stoops Automotive GroupMuncie INView Details >>![GMC Sierra 1500 2018 for Sale in Lynnwood, WA]()
Used 2018 Gmc Sierra 1500 Base
$42,999$897Mo. Est.
37,134 miles Northwest Motorsport LynnwoodLynnwood WAView Details >>![GMC Sierra 1500 2018 for Sale in Nashville, TN]()
Used 2018 Gmc Sierra 1500 Slt
$39,900$832Mo. Est.
good deal
117,898 miles Dixie MotorsNashville TNView Details >>
Displaying 1 - 18 of 2,991 listings
Filtering by:
New/Used/CPO
Make
Model
Years
Mileage
Price
Body Style
Exterior Color
GMC Sierra 1500 Trucks by Year
- 2021 GMC Sierra 1500s (6,995)
- 2020 GMC Sierra 1500s (1,657)
- 2019 GMC Sierra 1500s (1,921)
- 2018 GMC Sierra 1500s (2,991)
- 2017 GMC Sierra 1500s (1,976)
- 2016 GMC Sierra 1500s (837)
2018 GMC Sierra 1500 Trucks by Trim
- GMC Sierra 1500 SLTs (1,287)
- GMC Sierra 1500 Denalis (727)
- GMC Sierra 1500 SLEs (370)
- GMC Sierra 1500 Bases (182)