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Used 2020 GMC Sierra 1500 for Sale in Seattle, WA

Sierra 1500s for Sale at Dealers

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2020 GMC Sierra 1500 4WD photo
Price Drop
2020 GMC Sierra 1500 4WD • Ellensburg, WA
White • 4.3L V6 Engine
$26,499 • 106.2k miles
•••

#103 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “F” Buy

  • $500 Price Drop
  • Dealer Rating - 4.3 stars
More details
2020 GMC Sierra 1500 SLT 4WD photo
Price Drop
2020 GMC Sierra 1500 SLT 4WD • North Bend, WA
White • 3.0L I6 Engine
$30,880 • 95.5k miles
•••

#59 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B-” Buy

  • $600 Price Drop
  • Fair Price - $51 Above Market
  • Includes $1,076 Premium Upgrades
More details
2021 GMC Sierra 1500 Denali 4WD photo
2021 GMC Sierra 1500 Denali 4WD • Marysville, WA
Gray • 3.0L I6 Engine
$44,971 • 47.8k miles
•••

#97 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D-” Buy

  • Includes $663 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Very Low Mileage
More details
2020 GMC Sierra 1500 Elevation 4WD photo
2020 GMC Sierra 1500 Elevation 4WD • Wenatchee, WA
Black • 3.0L I6 Engine
$39,850 • 105.4k miles
•••

#85 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $3,193 Premium Upgrades
  • Motivation to Negotiate - Very High
  • Dealer Rating - 4.6 stars
More details
2019 GMC Sierra 1500 Denali 4WD photo
11
2019 GMC Sierra 1500 Denali 4WD • Mount Vernon, WA
6.2L V8 Engine
$41,150 • 26.9k miles
•••

#11 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Great Price - $3,928 Below Market
  • Includes $1,647 Premium Upgrades
  • Very Low Mileage
More details
2018 GMC Sierra 1500 4WD photo
2018 GMC Sierra 1500 4WD • Lynden, WA
5.3L V8 Engine
$19,850 • 135.5k miles
•••

#96 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D-” Buy

  • Includes $519 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2021 GMC Sierra 1500 SLE 4WD photo
2021 GMC Sierra 1500 SLE 4WD • Federal Way, WA
Silver • 5.3L V8 Engine
$28,991 • 101.4k miles
•••

#69 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “C-” Buy

  • Includes $1,223 Premium Upgrades
  • Motivation to Negotiate - Very High
  • Dealer Rating - 4.7 stars
More details
2019 GMC Sierra 1500 Denali 4WD photo
7
Price Drop
2019 GMC Sierra 1500 Denali 4WD • Lynden, WA
Black • 6.2L V8 Engine
$31,499 • 107k miles
•••

#7 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Great Price - $5,623 Below Market
  • Includes $6,607 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2019 GMC Sierra 1500 4WD photo
2019 GMC Sierra 1500 4WD • Federal Way, WA
5.3L V8 Engine
$27,130 • 88.7k miles
•••

#61 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B-” Buy

  • Fair Price - $365 Above Market
  • Includes $864 Premium Upgrades
  • Average Mileage
More details
2022 GMC Sierra 1500 SLT 4WD photo
Price Drop
2022 GMC Sierra 1500 SLT 4WD • Bellingham, WA
White • 3.0L I6 Engine
$43,997 • 41.5k miles
•••

#94 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D-” Buy

  • $500 Price Drop
  • Includes $711 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2020 GMC Sierra 1500 Elevation 4WD photo
Price Drop
2020 GMC Sierra 1500 Elevation 4WD • Marysville, WA
5.3L V8 Engine
$33,971 • 67.2k miles
•••

#49 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • $1,000 Price Drop
  • Fair Price - $4 Above Market
  • Includes $906 Premium Upgrades
More details
2019 GMC Sierra 1500 AT4 4WD photo
Price Drop
2019 GMC Sierra 1500 AT4 4WD • Bellingham, WA
White • 5.3L V8 Engine
$38,991 • 62.9k miles
•••

#32 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $909 Price Drop
  • Fair Price - $375 Below Market
  • Includes $5,916 Premium Upgrades
More details
2020 GMC Sierra 1500 SLT 4WD photo
Price Drop
2020 GMC Sierra 1500 SLT 4WD • Tacoma, WA
Silver • 3.0L I6 Engine
$29,500 • 115.6k miles
•••

#30 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $400 Price Drop
  • Good Price - $1,375 Below Market
  • Includes $3,966 Premium Upgrades
More details
2020 GMC Sierra 1500 Denali 4WD photo
17
Price Drop
2020 GMC Sierra 1500 Denali 4WD • Puyallup, WA
Black • 3.0L I6 Engine
$34,497 • 104.8k miles
•••

#17 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $200 Price Drop
  • Great Price - $2,915 Below Market
  • Includes $9,431 Premium Upgrades
More details
2022 GMC Sierra 1500 SLT 4WD photo
1
Price Drop
2022 GMC Sierra 1500 SLT 4WD • Kent, WA
Gray • 3.0L I6 Engine
$39,880 • 54k miles
•••

#1 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $2,000 Price Drop
  • Great Price - $11,665 Below Market
  • Includes $12,028 Premium Upgrades
More details
2021 GMC Sierra 1500 Elevation 4WD photo
9
2021 GMC Sierra 1500 Elevation 4WD • Burlington, WA
Black • 2.7L I4 Engine
$29,985 • 48.4k miles
•••

#9 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Great Price - $4,571 Below Market
  • Includes $2,461 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2020 GMC Sierra 1500 Denali 4WD photo
2
Price Drop
2020 GMC Sierra 1500 Denali 4WD • Bellingham, WA
Gray • 6.2L V8 Engine
$30,697 • 100.3k miles
•••

#2 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $300 Price Drop
  • Great Price - $11,183 Below Market
  • Includes $10,390 Premium Upgrades
More details
2019 GMC Sierra 1500 AT4 4WD photo
Price Drop
2019 GMC Sierra 1500 AT4 4WD • Bellingham, WA
6.2L V8 Engine
$35,497 • 95k miles
•••

#56 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B-” Buy

  • $500 Price Drop
  • Fair Price - $374 Below Market
  • Includes $1,437 Premium Upgrades
More details
2022 GMC Sierra 1500 Denali 4WD photo
2022 GMC Sierra 1500 Denali 4WD • Port Orchard, WA
White • 5.3L V8 Engine
$50,143 • 42.7k miles
•••

#36 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Fair Price - $184 Above Market
  • Includes $7,663 Premium Upgrades
  • CARFAX: One Owner
More details
2019 GMC Sierra 1500 Denali 4WD photo
25
Price Drop
2019 GMC Sierra 1500 Denali 4WD • Ellensburg, WA
6.2L V8 Engine
$39,999 • 53.5k miles
•••

#25 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $5,000 Price Drop
  • Good Price - $2,131 Below Market
  • Includes $1,532 Premium Upgrades
More details
2022 GMC Sierra 1500 Elevation 4WD photo
12
Price Drop
2022 GMC Sierra 1500 Elevation 4WD • Renton, WA
5.3L V8 Engine
$34,407 • 95.3k miles
•••

#12 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $808 Price Drop
  • Great Price - $3,666 Below Market
  • Includes $941 Premium Upgrades
More details
2021 GMC Sierra 1500 Elevation 4WD photo
Price Drop
2021 GMC Sierra 1500 Elevation 4WD • Lynden, WA
Black • 2.7L I4 Engine
$29,850 • 118.6k miles
•••

#116 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “F” Buy

  • Motivation to Negotiate - Very High
More details
2020 GMC Sierra 1500 AT4 4WD photo
2020 GMC Sierra 1500 AT4 4WD • Burlington, WA
3.0L I6 Engine
$35,199 • 112.6k miles
•••

#63 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “C+” Buy

  • Fair Price - $151 Below Market
  • Includes $552 Premium Upgrades
More details
2021 GMC Sierra 1500 SLT 4WD photo
2021 GMC Sierra 1500 SLT 4WD • Everett, WA
White • 5.3L V8 Engine
$43,995 • 35.2k miles
•••

#34 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Fair Price - $34 Above Market
  • Includes $10,894 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500 Denali 4WD photo
Price Drop
2021 GMC Sierra 1500 Denali 4WD • Everett, WA
Black • 5.3L V8 Engine
$31,499 • 141.9k miles
•••

#117 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “F” Buy

  • $200 Price Drop
  • Motivation to Negotiate - Increasing
  • Dealer Rating - 4.5 stars
More details
1-25 of 131 results
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2020 GMC Sierra 1500

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