Price drop −$8,504
13 photosCARFAXDark Slate Metallic
2018 GMC Sierra 1500 SLT
$32,670$41,174est. $563/mo
- 58,234 mi
- 8-Speed Automatic
- Gasoline
- Truck
Mangino Buick GMC · Ballston Spa, NY
2018 GMC Sierra
Shop 872 2018 GMC Sierra listings from 748 dealers nationwide. Asking prices from $10,350, median $26,900. Prices by year, FAQ and price history.
872 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
Red Quartz Tintcoat
2018 GMC Sierra 2500 HD Denali
$47,614est. $820/mo
- 69,302 mi
- 4WD
- Automatic
- Diesel
- Truck
Cable Dahmer Cadillac of Kansas City · Kansas City, MO
Fair pricePrice drop −$1,459
23 photosCARFAXOnyx Black
2018 GMC Sierra 3500 HD Denali
$41,867$43,326est. $721/mo
- 138,354 mi
- 4WD
- Automatic
- Diesel
- Truck
Carl Cannon Chevrolet · Jasper, AL
Fair price
22 photosQuicksilver Metallic
2018 GMC Sierra 3500HD
$46,878est. $807/mo
- 126,449 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Ole Ben Diesel · Knoxville, TN
Onyx Black
2018 GMC Sierra 1500 Denali
$28,686est. $494/mo
- 128,994 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Twin City Auto Center · Alcoa, TN
Summit White Exterior
2018 GMC Sierra 1500 SLT Z71 Truck
$24,999est. $430/mo
- 124,543 mi
- Automatic
- Truck
Ace Auto Sales · Brainerd, MN
Good deal
28 photosBlue
2018 GMC Sierra 1500 All Terrain 4X4 Double Cab
$22,995est. $396/mo
- 113,626 mi
- Automatic
- Gasoline
- Truck
Best Buy Auto Sales of Webster, NY · Webster, NY
Onyx Black
2018 GMC Sierra 1500 Denali
$40,312est. $694/mo
- 34,954 mi
- 4WD
- Automatic
- Gasoline
- Truck
Lighthouse Buick GMC · Morton, IL
Black
2018 GMC Sierra 1500 AT4 Double Cab 4WD
$20,995est. $361/mo
- 121,731 mi
- 4WD
- Automatic
- Truck
MAG Auto Corp. · Poughkeepsie, NY
Fair price
32 photosCARFAXCardinal Red
2018 GMC Sierra 1500 SLT
$27,629est. $476/mo
- 114,519 mi
- 4WD
- Automatic
- Gasoline
- Truck
Crain Chevrolet GMC of England · ENGLAND, AR
Onyx Black
2018 GMC Sierra 1500 SLT
$17,099est. $294/mo
- 161,305 mi
- 4WD
- Automatic
- Gasoline
- Truck
Andy Mohr Buick GMC · Fishers, IN
Great deal
19 photosCARFAXStone Blue Metallic
2018 GMC Sierra 1500 SLT 4x4 Truck
$14,990est. $258/mo
- 192,240 mi
- Automatic
- Gasoline
- Truck
Motors In Motion · Saint Cloud, MN
Fair price
14 photosCARFAXRed
2018 GMC Sierra 2500HD Denali
$36,767est. $633/mo
- 148,093 mi
- 6-Speed Automatic
- Diesel
- Truck
Milnes Ford, Inc. · Lapeer, MI
Great deal
19 photosCARFAXDark Slate Metallic
2018 GMC Sierra 2500 HD Denali
$33,084est. $570/mo
- 230,515 mi
- 4WD
- Automatic
- Diesel
- Truck
Bentley Buick GMC · Huntsville, AL
SILVER
2018 GMC Sierra 1500 4WD Double Cab 143.5" SLE
$23,990est. $413/mo
- 88,096 mi
- 4WD
- Automatic
- Truck
ABL Automotive · Oakland, ME
Dark Slate Metallic
2018 GMC SIERRA 1500 SLT
$21,128est. $364/mo
- 149,938 mi
- 4 WHEEL
- Automatic
- Gasoline
- Truck
Brothers Auto Sales · Sioux Falls, SD
Fair pricePrice drop −$200
55 photosRed Quartz Tintcoat
2018 GMC Sierra 1500 SLT
$32,300$32,500est. $556/mo
- 48,015 mi
- 4WD
- Automatic
- Gasoline
- Truck
GMC of Riverfront Park · Spokane, WA
Price drop −$2,600
9 photosWhite
2018 GMC Sierra 1500
$17,999$20,599est. $310/mo
- 86,181 mi
- RWD
- 6-Speed Automatic
- Gasoline
- Truck
Valerie's Auto Sales , LLC · Arcadia, FL
Summit White
2018 GMC Sierra 2500HD SLE
$22,900est. $394/mo
- 155,498 mi
- 4WD
- 6-Speed Automatic
- Flex Fuel
- Truck
Johnson's Auto Sales Inc. · Decatur, IN
Fair price
81 photosCARFAXCardinal Red
2018 GMC Sierra 1500 SLT
$27,919est. $481/mo
- 129,157 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Orr Chrysler Dodge Jeep Ram · Searcy, AR
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Gray
2018 GMC Sierra 1500 4WD Crew Cab 153.0" SLE
$20,999est. $362/mo
- 102,460 mi
- 4WD
- Automatic
- Gasoline
- Truck
NATIONWIDE AUTO SALES · Las Vegas, NV
Silver
2018 GMC Sierra 1500 SLE
$33,450est. $576/mo
- 51,420 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
BRETT SPAULDING SALES · Onawa, IA
Gray
2018 GMC Sierra 2500HD
$27,500est. $474/mo
- 150,834 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Paugh's Auto Sales · Binghamton, NY
Quicksilver Metallic
2018 GMC Sierra 1500 SLE
$22,995est. $396/mo
- 102,005 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
Cape Cod Carz · Hyannis, MA
Silver
2018 GMC Sierra 1500
$23,450est. $404/mo
- 213,967 mi
- 4WD
- Gasoline
- Truck
Family Auto Sales · Strunk, KY
Black
2018 GMC Sierra 2500HD
$39,500est. $680/mo
- 148,719 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
XPS MOTORSPORTS · Fort Wayne, IN
Silver
2018 GMC Sierra 1500
$11,495est. $198/mo
- 171,865 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
SCHERERVILLE AUTO SALES · Schererville, IN
SILVER
2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLT
$19,990est. $344/mo
- 163,628 mi
- 4WD
- Automatic
- Truck
Express Autos · Zachary, LA
Dark Slate Metallic
2018 GMC Sierra 1500 SLE
$24,994est. $430/mo
- 114,512 mi
- 4WD
- 6-Speed Automatic
- Flex Fuel
- Truck
Discount Motors · Pueblo, CO
Fair priceNew listing
94 photosWhite
2018 GMC Sierra 3500HD Denali
$36,999est. $637/mo
- 178,687 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Houston Auto Credit · Houston, TX
Fair price
14 photosCARFAXBlack
2018 GMC Sierra 2500HD
$42,990est. $740/mo
- 109,942 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Ridley Auto Sales, Inc. · White Pine, TN
Fair priceNew listing
26 photosSummit White
2018 GMC Sierra 1500 SLT
$25,367est. $437/mo
- 140,819 mi
- 4WD
- Automatic
- Gasoline
- Truck
Landers McLarty Chevrolet · Huntsville, AL
White
2018 GMC Sierra 1500 SLT
$20,499est. $353/mo
- 143,601 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
Atlanta United Motors · Jefferson, GA
Black
2018 GMC Sierra 1500
$26,995est. $465/mo
- 96,612 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
Elite Motor Group Limited · Houston, TX
Red
2018 GMC Sierra 2500HD 4X4 REG CAB 6.0L V8 GAS SHARP TRUCK WITH LOW MILES
$28,994est. $499/mo
- 83,179 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
Fair price
26 photosCARFAXGray
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
Off white
2018 GMC Sierra 1500
$29,788est. $513/mo
- 134,023 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
NC Truck Company · Reidsville, NC
Stock photo
1 photosCARFAXSummit White
2018 GMC Sierra 1500 SLT
$18,995est. $327/mo
- 152,646 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
CHRISTIAN MOTORS, INC. · Fertile, MN
Price drop −$928
28 photosCARFAXSummit White
2018 GMC Sierra 1500 SLT
$30,531$31,459est. $526/mo
- 86,811 mi
- 4WD
- Automatic
- Gasoline
- Truck
Cooper GMC · Anniston, AL
Onyx Black
2018 GMC Sierra 1500 SLT
$27,850est. $480/mo
- 138,909 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
Walker Jones Toyota · Waycross, GA
Price drop −$9
26 photosCARFAXOnyx Black
2018 GMC Sierra 1500 SLT
$21,468$21,477est. $370/mo
- 180,688 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Gerald Jones Volkswagen · Martinez, GA
2018 GMC Sierra 1500 SLT Crew Cab Long Box 4WD
$19,990est. $344/mo
- 175,812 mi
- 4WD
- 6-Speed Automatic
- Truck
Kal's Motor Group - Wadena · Wadena, MN
Great deal
16 photosCARFAXGray
2018 GMC Sierra 3500HD
$38,900est. $670/mo
- 154,000 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
D&M Auto Sales LLC · Winchester, VA
Dark Slate Metallic
2018 GMC Sierra 1500 Denali
$34,630est. $596/mo
- 55,300 mi
- 4WD
- Automatic
- Gasoline
- Truck
Miller Auto Plaza Buick GMC · Saint Cloud, MN
Onyx Black
2018 GMC Sierra 1500 SLT
$27,289est. $470/mo
- 101,021 mi
- 4WD
- Automatic
- Gasoline
- Truck
Rydell Chevrolet · Grand Forks, ND
Great deal
3 photosCARFAXSummit White
2018 GMC Sierra 3500HD Chassis Base 4x4
$31,073est. $535/mo
- 157,869 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Johnson Auto Plaza · Brighton, CO
Stock photo
17 photosWhite Frost Tricoat
2018 GMC Sierra 1500 SLT
$33,354est. $574/mo
- 48,391 mi
- 4WD
- Automatic
- Gasoline
- Truck
Gustman Chevrolet · Kaukauna, WI
Silver
2018 GMC Sierra 1500 SLT
$29,900est. $515/mo
- 71,310 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Triple A's Motors · Greensboro, NC
White Frost Tricoat
2018 GMC Sierra 1500 SLT
$30,995est. $534/mo
- 81,310 mi
- 4WD
- Automatic
- Gasoline
- Truck
Kolar Chevrolet · Hermantown, MN
Onyx Black
2018 GMC Sierra 3500HD Denali
$37,950est. $653/mo
- 145,080 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Sterling Auto Sales · Franktown, CO
Fair price
16 photosBlue
2018 GMC Sierra 1500 SLT
$24,995est. $430/mo
- 121,836 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
AM Auto Mart Marrero LLC · Marrero, LA
Great deal
25 photosWhite Frost Tricoat
2018 GMC Sierra 1500 Denali
$25,698est. $442/mo
- 132,596 mi
- 8-Speed Automatic
- Gasoline
- Truck
Tim's Truck Capital & Auto Sales, Inc · Epsom, NH
Off white
2018 GMC Sierra 1500
$21,428est. $369/mo
- 165,033 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Dave Delaney's Columbia Motors · Hanover, MA
Price drop −$500
34 photosCARFAXGray
2018 GMC Sierra 1500 SLT Truck
$21,000$21,500est. $362/mo
- 126,156 mi
- Automatic
- Gasoline
- Truck
Downers Grove, Naperville, Used Cars Downers Grove · Downers Grove, IL
Black
2018 GMC Sierra 2500HD
$38,950est. $671/mo
- 107,868 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Action Motor Sales · Gaylord, MI
Black
2018 GMC Sierra 1500
$14,495est. $250/mo
- 149,899 mi
- 6-Speed Automatic
- Truck
Smart Buy Auto Sales · Oklahoma City, OK
Black
2018 GMC Sierra
$13,500est. $232/mo
- 114,320 mi
- 4WD
- 6-Speed Automatic
- Hybrid
- Truck
Paramount Auto Group · Paramount, CA
Silver
2018 GMC Sierra 1500 SLT
$33,995est. $585/mo
- 75,766 mi
- 4WD
- 6-Speed Automatic
- Gasoline
- Truck
Duluth Autos and Trucks · Duluth, GA
Special Paint
2018 GMC Sierra 1500 SLE
$28,490est. $491/mo
- 69,285 mi
- 4WD
- Automatic
- Gasoline
- Truck
Baglier Buick GMC · Butler, PA
TAN
2018 GMC Sierra 3500HD 3500 DENALI
$59,900est. $1,031/mo
- 59,091 mi
- 4WD
- Automatic
- Truck
Jackson Automotive LLC · Glasgow, KY
Onyx Black
2018 GMC Sierra 1500 DBL CAB 4WD
$26,900est. $463/mo
- 34,145 mi
- 4WD
- Automatic
- Gasoline
- Truck
Sundance Chevrolet · Grand Ledge, MI
Onyx Black
2018 GMC Sierra 1500 Denali
$21,474est. $370/mo
- 200,019 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Gateway Chevrolet Clearance Center · Fargo, ND
White Frost Tricoat
2018 GMC Sierra 1500 Denali
$26,500est. $456/mo
- 99,275 mi
- 4WD
- Automatic
- Gasoline
- Truck
Ron Marhofer Buick GMC, INC. · North Canton, OH
Black
2018 GMC Sierra 2500HD
$34,900est. $601/mo
- 154,000 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
D&M Auto Sales LLC · Winchester, VA
Quicksilver Metallic
2018 GMC Sierra 1500 SLT
$31,345est. $540/mo
- 63,027 mi
- 4WD
- Automatic
- Gasoline
- Truck
Miller Auto Plaza Buick GMC · Saint Cloud, MN
Onyx Black
2018 GMC Sierra 1500 SLT
$27,289est. $470/mo
- 107,947 mi
- 4WD
- Automatic
- Gasoline
- Truck
Rydell Chevrolet · Grand Forks, ND
New listing
3 photosQuicksilver
2018 GMC Sierra 3500HD SLE 4x4
$44,988est. $775/mo
- 46,791 mi
- 4WD
- 6-Speed Automatic
- Diesel
- Truck
Johnson Auto Plaza · Brighton, CO
Stock photo
17 photosOnyx Black
2018 GMC Sierra 1500 Denali
$35,354est. $609/mo
- 61,780 mi
- 4WD
- Automatic
- Gasoline
- Truck
Gustman Chevrolet · Kaukauna, WI
New listing
16 photosCARFAXGray
2018 GMC Sierra 1500 SLT
$21,900est. $377/mo
- 118,482 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Triple A's Motors · Greensboro, NC
New listing
34 photosWhite
2018 GMC Sierra 1500 SLT
$31,349est. $540/mo
- 78,423 mi
- 4WD
- Automatic
- Gasoline
- Truck
Kolar Chevrolet · Hermantown, MN
Onyx Black
2018 GMC Sierra 1500 Denali
$28,800est. $496/mo
- 116,397 mi
- 4WD
- 8-Speed Automatic
- Gasoline
- Truck
Sterling Auto Sales · Franktown, CO