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Used 2020 GMC Sierra 1500 for Sale in Seattle, WA

Sierra 1500s for Sale at Dealers

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2021 GMC Sierra 1500 Elevation 4WD photo
8
Price Drop
2021 GMC Sierra 1500 Elevation 4WD • Burlington, WA
Black • 2.7L I4 Engine
$31,437 • 48.4k miles
•••

#8 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $413 Price Drop
  • Great Price - $4,002 Below Market
  • Includes $2,524 Premium Upgrades
More details
2021 GMC Sierra 1500 Elevation 4WD photo
14
2021 GMC Sierra 1500 Elevation 4WD • Bremerton, WA
White • 5.3L V8 Engine
$33,987 • 76.2k miles
•••

#14 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Great Price - $2,915 Below Market
  • Includes $3,188 Premium Upgrades
  • CARFAX: One Owner
More details
2019 GMC Sierra 1500 SLT 4WD photo
Price Drop
2019 GMC Sierra 1500 SLT 4WD • Bremerton, WA
Black • 5.3L V8 Engine
$34,443 • 92.3k miles
•••

#39 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • $807 Price Drop
  • Fair Price - $546 Below Market
  • Includes $7,840 Premium Upgrades
More details
2021 GMC Sierra 1500 SLT 4WD photo
2021 GMC Sierra 1500 SLT 4WD • Marysville, WA
White • 5.3L V8 Engine
$39,972 • 44k miles
•••

#47 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B-” Buy

  • Fair Price - $959 Below Market
  • Motivation to Negotiate - Increasing
  • Very Low Mileage
More details
2020 GMC Sierra 1500 Denali 4WD photo
2020 GMC Sierra 1500 Denali 4WD • Everett, WA
Gray • 3.0L I6 Engine
$36,935 • 93.9k miles
•••

#43 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • Fair Price - $267 Above Market
  • Includes $2,514 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500 SLT 4WD photo
2021 GMC Sierra 1500 SLT 4WD • Bellevue, WA
Gray • 5.3L V8 Engine
$31,000 • 88.1k miles
•••

#49 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B-” Buy

  • Fair Price - $648 Below Market
  • Includes $1,412 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2019 GMC Sierra 1500 SLT 4WD photo
2019 GMC Sierra 1500 SLT 4WD • McKenna, WA
6.2L V8 Engine
$39,988 • 56.4k miles
•••

#78 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $1,598 Premium Upgrades
  • Motivation to Negotiate - High
  • Very Low Mileage
More details
2021 GMC Sierra 1500 AT4 4WD photo
Price Drop
2021 GMC Sierra 1500 AT4 4WD • Ellensburg, WA
6.2L V8 Engine
$38,899 • 93.3k miles
•••

#52 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B-” Buy

  • $6,100 Price Drop
  • Fair Price - $224 Above Market
  • Includes $1,511 Premium Upgrades
More details
2021 GMC Sierra 1500 Elevation 4WD photo
2021 GMC Sierra 1500 Elevation 4WD • East Wenatchee, WA
Black • 3.0L I6 Engine
$36,890 • 60.7k miles
•••

#42 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • Fair Price - $142 Above Market
  • Includes $2,597 Premium Upgrades
  • CARFAX: One Owner
More details
2022 GMC Sierra 1500 AT4 4WD photo
2022 GMC Sierra 1500 AT4 4WD • Burien, WA
Silver • 3.0L I6 Engine
$41,901 • 61.8k miles
•••

#56 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “C+” Buy

  • Fair Price - $176 Below Market
  • Average Mileage
  • Dealer Rating - 4.4 stars
More details
2021 GMC Sierra 1500 SLT 4WD photo
2021 GMC Sierra 1500 SLT 4WD • McKenna, WA
Gray • 3.0L Engine
$29,888 • 121.2k miles
•••

#76 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $545 Premium Upgrades
  • Dealer Rating - 4.6 stars
More details
2022 GMC Sierra 1500 Elevation 4WD photo
Price Drop
2022 GMC Sierra 1500 Elevation 4WD • Shoreline, WA
White • 3.0L I6 Engine
$42,395 • 71.9k miles • Certified
•••

#84 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $89 Price Drop
  • Includes $3,861 Premium Upgrades
  • CARFAX: One Owner
More details
2019 GMC Sierra 1500 SLE 4WD photo
Price Drop
2019 GMC Sierra 1500 SLE 4WD • Federal Way, WA
White • 5.3L V8 Engine
$27,405 • 93.5k miles
•••

#89 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D-” Buy

  • $480 Price Drop
  • Includes $764 Premium Upgrades
  • CARFAX: One Owner
More details
2022 GMC Sierra 1500 Denali 4WD photo
Price Drop
2022 GMC Sierra 1500 Denali 4WD • Bellingham, WA
White • 6.2L V8 Engine
$53,697 • 24.8k miles
•••

#33 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $300 Price Drop
  • Fair Price - $486 Below Market
  • Includes $9,213 Premium Upgrades
More details
2019 GMC Sierra 1500 Denali 4WD photo
Price Drop
2019 GMC Sierra 1500 Denali 4WD • Olympia, WA
White • 6.2L V8 Engine
$41,992 • 52k miles
•••

#71 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D+” Buy

  • $1,699 Price Drop
  • Includes $2,215 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2020 GMC Sierra 1500 Denali 4WD photo
Price Drop
2020 GMC Sierra 1500 Denali 4WD • Tacoma, WA
6.2L V8 Engine
$42,495 • 46.4k miles
•••

#80 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $1,580 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Very Low Mileage
More details
2020 GMC Sierra 1500 SLT 4WD photo
Price Drop
2020 GMC Sierra 1500 SLT 4WD • Mount Vernon, WA
White • 5.3L V8 Engine
$35,750 • 66.7k miles
•••

#94 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D-” Buy

  • $1,150 Price Drop
  • Motivation to Negotiate - High
  • Below Average Mileage
More details
2018 GMC Sierra 1500 Denali 4WD photo
2018 GMC Sierra 1500 Denali 4WD • Everett, WA
Black • 6.2L Engine
$22,999 • 153.5k miles
•••

#30 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Good Price - $1,308 Below Market
  • Includes $4,263 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500 Elevation 4WD photo
20
2021 GMC Sierra 1500 Elevation 4WD • Burlington, WA
Black • 3.0L I6 Engine
$35,950 • 55k miles
•••

#20 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Great Price - $2,365 Below Market
  • Includes $3,965 Premium Upgrades
  • CARFAX: One Owner
More details
2020 GMC Sierra 1500 AT4 4WD photo
Price Drop
2020 GMC Sierra 1500 AT4 4WD • Anacortes, WA
6.2L V8 Engine
$45,377 • 30k miles
•••

#34 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $200 Price Drop
  • Fair Price - $438 Below Market
  • Includes $8,708 Premium Upgrades
More details
2018 GMC Sierra 1500 4WD photo
2018 GMC Sierra 1500 4WD • Covington, WA
Gray • 5.3L V8 Engine
$20,900 • 118.8k miles
•••

#38 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • Fair Price - $552 Below Market
  • Includes $2,704 Premium Upgrades
  • Dealer Rating - 5.0 stars
More details
2020 GMC Sierra 1500 AT4 4WD photo
Price Drop
2020 GMC Sierra 1500 AT4 4WD • Marysville, WA
White • 6.2L V8 Engine
$38,972 • 65.8k miles
•••

#82 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $500 Price Drop
  • Includes $1,541 Premium Upgrades
  • Motivation to Negotiate - High
More details
2021 GMC Sierra 1500 SLT 4WD photo
21
Price Drop
2021 GMC Sierra 1500 SLT 4WD • Ellensburg, WA
White • 3.0L I6 Engine
$31,999 • 108.5k miles
•••

#21 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $1,000 Price Drop
  • Great Price - $2,303 Below Market
  • Includes $8,563 Premium Upgrades
More details
2018 GMC Sierra 1500 Denali 4WD photo
22
Price Drop
2018 GMC Sierra 1500 Denali 4WD • Everett, WA
Silver • 6.2L Engine
$27,995 • 116.3k miles
•••

#22 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $793 Price Drop
  • Great Price - $2,208 Below Market
  • Includes $5,289 Premium Upgrades
More details
2020 GMC Sierra 1500 SLE 4WD photo
2020 GMC Sierra 1500 SLE 4WD • McKenna, WA
Blue • 5.3L Engine
$29,825 • 86.5k miles
•••

#87 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D-” Buy

  • Includes $848 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Average Mileage
More details
1-25 of 132 results
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2020 GMC Sierra 1500

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