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Used 2020 GMC Sierra 1500 for Sale in Seattle, WA

Sierra 1500s for Sale at Dealers

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Price
Year
Mileage
Trim
2020 GMC Sierra 1500 AT4 4WD photo
Price Drop
2020 GMC Sierra 1500 AT4 4WD • Anacortes, WA
6.2L V8 Engine
$45,577 • 30k miles
•••

#35 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $2,200 Price Drop
  • Fair Price - $275 Below Market
  • Includes $8,715 Premium Upgrades
More details
2020 GMC Sierra 1500 Denali 4WD photo
Price Drop
2020 GMC Sierra 1500 Denali 4WD • Tacoma, WA
6.2L V8 Engine
$43,495 • 46.4k miles
•••

#82 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $1,560 Premium Upgrades
  • Very Low Mileage
More details
2022 GMC Sierra 1500 AT4 4WD photo
Price Drop
2022 GMC Sierra 1500 AT4 4WD • Fife, WA
White • 6.2L V8 Engine
$48,000 • 36.8k miles
•••

#29 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $500 Price Drop
  • Good Price - $1,697 Below Market
  • Includes $7,121 Premium Upgrades
More details
2018 GMC Sierra 1500 SLT 4WD photo
Price Drop
2018 GMC Sierra 1500 SLT 4WD • Auburn, WA
Gray • 5.3L V8 Engine
$27,395 • 90.3k miles
•••

#31 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $999 Price Drop
  • Good Price - $1,659 Below Market
  • Includes $5,058 Premium Upgrades
More details
2019 GMC Sierra 1500 SLT 4WD photo
Price Drop
2019 GMC Sierra 1500 SLT 4WD • Lynden, WA
5.3L V8 Engine
$29,899 • 82k miles
•••

#57 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “C+” Buy

  • Fair Price - $434 Above Market
  • Motivation to Negotiate - Very High
  • Below Average Mileage
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
•••

#49 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B-” Buy

  • Fair Price - $369 Below Market
  • Motivation to Negotiate - Increasing
  • Very Low Mileage
More details
2018 GMC Sierra 1500 SLT 4WD photo
Price Drop
2018 GMC Sierra 1500 SLT 4WD • Lynden, WA
Black • 5.3L V8 Engine
$23,950 • 126.4k miles
•••

#32 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Good Price - $1,330 Below Market
  • Includes $5,198 Premium Upgrades
  • CARFAX: One Owner
More details
2019 GMC Sierra 1500 AT4 4WD photo
23
Price Drop
2019 GMC Sierra 1500 AT4 4WD • Lynnwood, WA
Black • 5.3L V8 Engine
$30,990 • 82.6k miles
•••

#23 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $1,000 Price Drop
  • Great Price - $2,107 Below Market
  • Includes $2,008 Premium Upgrades
More details
2018 GMC Sierra 1500 4WD photo
2018 GMC Sierra 1500 4WD • Lynden, WA
5.3L V8 Engine
$19,850 • 135.5k miles
•••

#92 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D-” Buy

  • Includes $528 Premium Upgrades
  • Motivation to Negotiate - Very High
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 - $2,303 Below Market
  • Includes $3,958 Premium Upgrades
  • CARFAX: One Owner
More details
2019 GMC Sierra 1500 SLT 4WD photo
2019 GMC Sierra 1500 SLT 4WD • Puyallup, WA
Black • 5.3L V8 Engine
$37,987 • 60.5k miles
•••

#84 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $912 Premium Upgrades
  • Motivation to Negotiate - Very High
  • Very Low Mileage
More details
2021 GMC Sierra 1500 SLT 4WD photo
Price Drop
2021 GMC Sierra 1500 SLT 4WD • Bellevue, WA
Gray • 5.3L V8 Engine
$30,499 • 88.1k miles
•••

#42 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • $1 Price Drop
  • Good Price - $1,005 Below Market
  • Includes $1,406 Premium Upgrades
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
$29,122 • 93.5k miles
•••

#94 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D-” Buy

  • $366 Price Drop
  • Includes $764 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500 AT4 4WD photo
4
Price Drop
2021 GMC Sierra 1500 AT4 4WD • Bellingham, WA
3.0L I6 Engine
$39,997 • 42.3k miles
•••

#4 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $480 Price Drop
  • Great Price - $5,829 Below Market
  • Includes $714 Premium Upgrades
More details
2020 GMC Sierra 1500 Denali 4WD photo
2020 GMC Sierra 1500 Denali 4WD • Puyallup, WA
Gray • 3.0L I6 Engine
$37,943 • 93.9k miles
•••

#79 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $2,481 Premium Upgrades
  • CARFAX: One Owner
  • Dealer Rating - 4.4 stars
More details
2018 GMC Sierra 1500 Denali 4WD photo
Price Drop
2018 GMC Sierra 1500 Denali 4WD • Lake Stevens, WA
Black • 5.3L Engine
$29,991 • 94.4k miles
•••

#28 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $8 Price Drop
  • Good Price - $1,718 Below Market
  • Includes $3,701 Premium Upgrades
More details
2020 GMC Sierra 1500 SLT 4WD photo
Price Drop
2020 GMC Sierra 1500 SLT 4WD • Federal Way, WA
Red • 5.3L V8 Engine
$34,900 • 82.8k miles
•••

#55 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “C+” Buy

  • $600 Price Drop
  • Fair Price - $829 Below Market
  • Includes $357 Premium Upgrades
More details
2019 GMC Sierra 1500 SLE 4WD photo
2019 GMC Sierra 1500 SLE 4WD • McKenna, WA
5.3L V8 Engine
$29,981 • 71.8k miles
•••

#76 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $812 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Very Low Mileage
More details
2018 GMC Sierra 1500 Denali 4WD photo
10
Price Drop
2018 GMC Sierra 1500 Denali 4WD • Olympia, WA
Silver • 6.2L Engine
$27,483 • 104.4k miles
•••

#10 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $500 Price Drop
  • Great Price - $3,473 Below Market
  • Includes $5,674 Premium Upgrades
More details
2020 GMC Sierra 1500 AT4 4WD photo
Price Drop
2020 GMC Sierra 1500 AT4 4WD • Marysville, WA
White • 6.2L V8 Engine
$39,472 • 65.8k miles
•••

#80 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $500 Price Drop
  • Includes $1,544 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2021 GMC Sierra 1500 SLT 4WD photo
Price Drop
2021 GMC Sierra 1500 SLT 4WD • McKenna, WA
Gray • 3.0L Engine
$29,788 • 121.2k miles
•••

#75 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $100 Price Drop
  • Includes $547 Premium Upgrades
  • Motivation to Negotiate - High
More details
2019 GMC Sierra 1500 SLT 4WD photo
2019 GMC Sierra 1500 SLT 4WD • Seattle, WA
Gray • 6.2L V8 Engine
$28,995 • 92.3k miles
•••

#50 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B-” Buy

  • Fair Price - $134 Above Market
  • Includes $1,440 Premium Upgrades
  • Average Mileage
More details
2019 GMC Sierra 1500 SLT 4WD photo
2019 GMC Sierra 1500 SLT 4WD • Wenatchee, WA
Gray • 5.3L V8 Engine
$35,850 • 129.4k miles
•••

#85 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • Includes $1,351 Premium Upgrades
  • Motivation to Negotiate - Very High
  • Dealer Rating - 4.6 stars
More details
2020 GMC Sierra 1500 Elevation 4WD photo
2020 GMC Sierra 1500 Elevation 4WD • Bellevue, WA
Silver • 3.0L I6 Engine
$38,988 • 29.4k miles
•••

#34 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Fair Price - $1,114 Below Market
  • Includes $4,135 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2020 GMC Sierra 1500 4WD photo
2020 GMC Sierra 1500 4WD • Everett, WA
White • 4.3L V6 Engine
$34,995 • 72.2k miles
•••

#101 2018-2022 GMC Sierra 1500

CoPilot AI: It’s a “F” Buy

  • Motivation to Negotiate - Very High
  • Below Average Mileage
  • Dealer Rating - 4.5 stars
More details
1-25 of 132 results
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2020 GMC Sierra 1500

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