Onyx Black
2018 GMC Sierra 1500 SLT
$22,791est. $392/mo
- 123,016 mi
- 6-Speed Automatic
- Gasoline
- Truck
Camp County Chrysler Dodge Jeep Ram · Pittsburg, TX
2018 GMC Sierra
Shop 795 2018 GMC Sierra listings from 674 dealers nationwide. Asking prices from $10,350, median $26,995. Prices by year, FAQ and price history.
795 active listings. Asking prices from $10,350 to $59,900. These are asking prices, not sold-price averages. 2018 GMC Sierra prices, price changes & market data
Available 2018 GMC Sierra vehicles
Price drop −$500
27 photosCARFAXMineral
2018 GMC Sierra 1500 Denali
$20,716was $21,216est. $357/mo
- 180,587 mi
- 2WD
- 8-Speed Automatic
- Gasoline
- Truck
Classic Cdjrf of Arlington · Arlington, TX
Dark Slate Metallic
2018 GMC Sierra 1500 Denali
$33,994est. $585/mo
- 78,950 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Discount Motors · Pueblo, CO
White
2018 GMC Sierra 1500 SLT
$28,999est. $499/mo
- 136,663 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
Houston Auto Credit · Houston, TX
Red
2018 GMC Sierra 3500HD
$26,990est. $465/mo
- 204,311 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Ridley Auto Sales, Inc. · White Pine, TN
Black
2018 GMC Sierra 1500 SLT
$22,999est. $396/mo
- 132,415 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Atlanta United Motors · Jefferson, GA
Price drop −$600
30 photosCARFAXRed
2018 GMC Sierra 1500
$27,995was $28,595est. $482/mo
- 97,066 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Elite Motor Group Limited · Houston, TX
Red
2018 GMC Sierra 1500 4WD LOADED SLT 6.2L V8 ONLY 50K MILES!
$34,994est. $603/mo
- 50,091 mi
- 4WD
- Automatic
- Gasoline
- Truck
Mastriano Motors · Salem, NH
Summit White
2018 GMC Sierra 1500 SLT
$26,991est. $465/mo
- 100,003 mi
- 4WD
- Automatic
- Truck
Clear Choice Automotive South · San Antonio, TX
Gray
2018 GMC Sierra 1500 SLT Crew Cab Short Box 4WD
$21,900est. $377/mo
- 151,124 mi
- 4WD
- Automatic
- Truck
Ramos Auto Sales Inc · McAllen, TX
Gray
2018 GMC Sierra 1500
$34,599est. $596/mo
- 108,585 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
NC Truck Company · Reidsville, NC
Stone Blue Metallic
2018 GMC Sierra 1500 SLT
$19,090est. $329/mo
- 158,253 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
CHRISTIAN MOTORS, INC. · Fertile, MN
Onyx Black
2018 GMC Sierra 2500HD Denali
$46,800est. $806/mo
- 88,216 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Walker Jones Toyota · Waycross, GA
Blue
2018 GMC Sierra 1500 Denali Crew Cab Long Box 4WD
$24,990est. $430/mo
- 121,531 mi
- 4WD
- Truck
Kal's Motor Group - Wadena · Wadena, MN
Onyx Black
2018 GMC Sierra 1500 SLT Truck Crew Cab V-8 cyl
$33,164est. $571/mo
- 48,647 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
AutoNation Ford Fort Worth · Ft Worth, TX
Silver
2018 GMC Sierra 1500 SLT
$18,900est. $325/mo
- 131,622 mi
- 2WD
- 6-Speed Automatic
- Gasoline
- Truck
CarDot · Tacoma, WA
Quartz
2018 GMC Sierra 1500 SLT V-8 cyl
$30,314est. $522/mo
- 81,352 mi
- 4WD
- Automatic
- Gasoline
- Truck
Ray Price Stroud Ford Lincoln · Stroudsburg, PA
White
2018 GMC Sierra 1500 SLT
$13,900est. $239/mo
- 197,100 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
SWENSON MOTORS · Gaylord, MN
Onyx Black
2018 GMC Sierra 1500 SLT Crew Cab
$24,995est. $430/mo
- 125,157 mi
- 4WD
- Automatic
- Gasoline
- Truck
Team One Chevrolet · Charlotte, MI
Price drop −$700
46 photosCARFAXOnyx Black
2018 GMC Sierra 2500 HD Denali
$38,000was $38,700est. $654/mo
- 149,818 mi
- 4WD
- Automatic
- Diesel
- Truck
Andy Mohr Chevrolet · Plainfield, IN
Maroon
2018 GMC Sierra 1500 Denali
$26,995est. $465/mo
- 113,346 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Auto Galaxy Inc · Grand Rapids, MI
White
2018 GMC Sierra 1500 2WD Crew Cab 143.5" SLT
$24,558est. $423/mo
- 99,075 mi
- RWD
- 6-Speed Automatic
- Truck
Bird Dog Motors · Waynesboro, GA
Black
2018 GMC Sierra 1500
$29,999est. $517/mo
- 81,737 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
ADAM AUTO AGENCY · Rensselaer, NY
Black
2018 GMC Sierra 1500
$21,995est. $379/mo
- 127,383 mi
- 2WD
- 6-Speed Automatic
- Gasoline
- Truck
Carriage Motors Car & Truck · Santa Rosa, CA
Maroon
2018 GMC Sierra 1500 SLT
$14,900est. $257/mo
- 193,788 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
HG Auto Inc · South Sioux City, NE
Summit White
2018 GMC Sierra 3500 HD Chassis Cab NA
$43,606est. $751/mo
- 69,584 mi
- 4WD
- Automatic
- Diesel
- Truck
John Thornton Buick GMC · Carrollton, GA
Dark Slate Metallic
2018 GMC Sierra 1500 SLT
$24,895est. $429/mo
- 127,312 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Mac Haik Chrysler Dodge Jeep Ram Flowood · Flowood, MS
White
2018 GMC Sierra 1500 SLE Truck
$24,998est. $430/mo
- 97,805 mi
- Automatic
- Gasoline
- Truck
WIDRICK AUTO SALES · Watertown, NY
Summit White
2018 GMC Sierra 1500 Truck
$14,900est. $257/mo
- 152,633 mi
- Automatic
- Gasoline
- Truck
Amigos Enterprises · Fresno, CA
Onyx Black
2018 GMC Sierra 1500 SLT
$20,787est. $358/mo
- 156,168 mi
- 4WD
- Automatic
- Gasoline
- Truck
Dan Cummins Chevrolet of Georgetown · Georgetown, KY
Quicksilver Metallic
2018 GMC Sierra 1500
$29,999est. $517/mo
- 62,722 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Metropolis Auto Sales · Pelham, NH
Silver
2018 GMC Sierra 1500 SLT Crew Cab Long Box 4WD
$36,995est. $637/mo
- 42,040 mi
- 4WD
- Automatic
- Gasoline
- Truck
SmartChoice Auto Group · Columbia, SC
Price drop −$234
33 photosCARFAXSummit White
2018 GMC Sierra 1500 SLT
$23,114was $23,348est. $398/mo
- 117,403 mi
- 2WD
- 6-Speed Automatic
- Gasoline
- Truck
Sunny Mitsubishi - Jacksonville · Jacksonville, FL
New listing
29 photosCARFAXWhite
2018 GMC Sierra 1500 SLT
$27,000est. $465/mo
- 124,875 mi
- 4WD
- 8-Speed Automatic
- Truck
Country Preowned of Amarillo · Amarillo, TX
Summit White
2018 GMC Sierra 1500 SLT
$30,577est. $526/mo
- 60,653 mi
- 6-Speed Automatic
- Gasoline
- Truck
Anderson Ford SC · Anderson, SC
Black
2018 GMC Sierra 1500
$14,985est. $258/mo
- 223,150 mi
- 4WD
- Automatic
- Truck
Dad's Auto Sales · Newport News, VA
Gray
2018 GMC Sierra 1500 Denali
$40,197est. $692/mo
- 52,415 mi
- 4WD
- Automatic
- Flex Fuel
- Truck
Diablo Subaru of Walnut Creek · Walnut Creek, CA
White
2018 GMC Sierra 1500 SLT Crew Cab Long Box 4WD
$31,998est. $551/mo
- 98,148 mi
- 4WD
- Automatic
- Truck
First Class Auto Sales LLC · Goodlettsville, TN
Summit White
2018 GMC Sierra 3500 Truck
$36,995est. $637/mo
- 69,442 mi
- Automatic
- Flex Fuel
- Truck
Legit Motors LLC · Elkhart, IN
Onyx Black
2018 GMC Sierra 1500 SLT
$23,896est. $411/mo
- 148,123 mi
- 8-Speed Automatic
- Gasoline
- Truck
Stanley Ford Sweetwater · Sweetwater, TX
Price drop −$43,277
4 photosCARFAXWhite Frost Tricoat
2018 GMC Sierra 1500 SLT 4WD
$34,500was $77,777est. $594/mo
- 31,971 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Village Pointe Toyota · Omaha, NE
Summit White
2018 GMC Sierra 1500 SLT Truck Crew Cab
$21,255est. $366/mo
- 150,555 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Michiana Chrysler Dodge Jeep Ram FIAT · Mishawaka, IN
WHITE
2018 GMC Sierra 1500 SLT Crew Cab Short Box 4WD
$25,500est. $439/mo
- 149,754 mi
- 4WD
- Automatic
- Truck
Wiltshire Auto Sales · Greenwood, MS
Gray
2018 GMC Sierra 3500HD Denali
$47,950est. $826/mo
- 93,093 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Worldwide Auto Group · Auburn, WA
Quicksilver
2018 GMC Sierra 1500 Denali
$30,994est. $534/mo
- 115,466 mi
- 4WD
- Automatic
- Gasoline
- Truck
Andy Shaw Ford · Sylva, NC
Black Cherry Metallic
2018 GMC Sierra 1500 Double Cab Pickup 4D 6 1/2 ft
$20,995est. $361/mo
- 102,904 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
Gateway Auto Sales · Omaha, NE
2018 GMC Sierra 1500 Denali Crew Cab Short Box 4WD
$26,599est. $458/mo
- 152,401 mi
- 4WD
- 6-Speed Automatic
- Truck
AutoWorld of Chester · Chester, VA
Onyx Black
2018 GMC Sierra 3500HD Denali
$46,620est. $803/mo
- 115,930 mi
- 6-Speed Automatic
- Diesel
- Truck
Circle Buick GMC · highland, IN
Summit White
2018 GMC Sierra 1500 SLT
$35,048est. $603/mo
- 42,731 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
Commonwealth Honda · Lawrence, MA
Onyx Black
2018 GMC Sierra 1500 SLE
$23,666est. $407/mo
- 90,738 mi
- 6-Speed Automatic
- Truck
Story Ford · Story City, IA
Dark Slate Metallic
2018 GMC Sierra 1500 SLT
$28,663est. $494/mo
- 71,726 mi
- 2WD
- 6-Speed Automatic
- Gasoline
- Truck
Sutton Acura · Macon, GA
White
2018 GMC Sierra 1500
$24,995est. $430/mo
- 65,323 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Vehicle Wish Auto Sales · Frederick, MD
White
2018 GMC Sierra 1500
$28,977est. $499/mo
- 90,524 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
E-Auto Groups · Dallas, TX
BLACK
2018 GMC Sierra 1500 4WD Double Cab 143.5" SLE
$19,995est. $344/mo
- 112,319 mi
- 4WD
- Automatic
- Truck
GARYS AUTO SALES, INC · Saginaw, MI
Black
2018 GMC Sierra 2500HD Denali
$36,900est. $635/mo
- 138,930 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Hillcrest Motors · Derry, NH
White
2018 GMC Sierra 1500 2WD Reg Cab 133.0"
$15,999est. $275/mo
- 129,022 mi
- 2WD
- Automatic
- Truck
Kenn Motors · Ottawa, IL
Stock photo
1 photosCARFAXQuicksilver
2018 GMC Sierra 1500 SLT 4x4
$27,496est. $473/mo
- 123,408 mi
- 4WD
- Automatic
- Gasoline
- Truck
Lithia Toyota of Missoula · Missoula, MT
Onyx Black
2018 GMC Sierra 1500 Denali 4WD Crew Cab 143.5
$23,167est. $399/mo
- 173,852 mi
- 4WD
- Automatic
- Flex Fuel
- Truck
Mercedes-Benz of Sacramento · Sacramento, CA
Dark Slate
2018 GMC Sierra 1500 SLT
$31,995est. $551/mo
- 77,755 mi
- 4WD
- Automatic
- Gasoline
- Truck
Newberry Motors · Newberry, MI
Black
2018 GMC Sierra 2500HD Denali Crew Cab 4WD
$43,990est. $757/mo
- 107,285 mi
- 4WD
- Automatic
- Truck
Ricks Auto Sales 2 · Alexandria, LA
Black
2018 GMC Sierra 3500HD Denali Crew Cab 4WD
$31,995est. $551/mo
- 202,314 mi
- 4WD
- 6-Speed Automatic
- Truck
CarDi Auto Sales · Winter Haven, FL
Stock photo
1 photosRed Quartz Tintcoat
2018 GMC Sierra 1500 Denali
$22,880est. $394/mo
- 142,498 mi
- 4WD
- Automatic
- Gasoline
- Truck
Dahlstrom Motors · Oslo, MN
Summit White
2018 GMC Sierra 1500 SLT
$19,706est. $339/mo
- 155,746 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
Lakeside Chevrolet of Warsaw · Warsaw, IN
White Frost Tricoat
2018 GMC Sierra 1500 SLT
$23,247est. $400/mo
- 152,955 mi
- 6-Speed Automatic
- Gasoline
- Truck
Romain Subaru · Evansville, IN
Cardinal Red
2018 GMC Sierra 2500HD SLT 4WD Duramax
$36,995est. $637/mo
- 128,684 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Silver Star Motors · Midlothian, TX
Stock photo
17 photosCARFAXQuicksilver Metallic
2018 GMC Sierra 1500 SLT
$24,790est. $427/mo
- 127,893 mi
- 4WD
- Automatic
- Gasoline
- Truck
Wackerli Auto Center · Idaho Falls, ID
Cardinal Red
2018 GMC Sierra 1500 SLT
$16,278est. $280/mo
- 182,949 mi
- 4WD
- Automatic
- Gasoline
- Truck
Anthem Chevrolet · Hoopeston, IL
Quicksilver
2018 GMC Sierra 3500HD Denali
$36,398est. $627/mo
- 170,472 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Billion Dodge-Chrysler Jeep · Bozeman, MT
Quicksilver
2018 GMC Sierra 1500 Denali Truck Crew Cab V-8 cyl
$32,219est. $555/mo
- 82,553 mi
- 4WD
- Automatic
- Gasoline
- Truck
David McDavid Ford · Fort Worth, TX
White
2018 GMC Sierra 1500 Denali Crew Cab Long Box 4WD
$16,950est. $292/mo
- 196,758 mi
- 4WD
- Automatic
- Truck
Hansen's Truck & Auto · Ottawa, KS
White Frost Tricoat
2018 GMC Sierra 1500 Denali
$28,065est. $483/mo
- 76,422 mi
- 4WD
- Automatic
- Gasoline
- Truck
LaFontaine Chevrolet Dexter · Dexter, MI
Black
2018 GMC Sierra 2500HD Denali
$46,990est. $809/mo
- 69,928 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
The Used Car Factory · Midvale, UT