CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2021 GMC Sierra 1500 for Sale in Fort Worth, TX

Sierra 1500s for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2021 GMC Sierra 1500 SLE 4WD photo
New Find
2021 GMC Sierra 1500 SLE 4WD • Haltom City, TX
Silver • 3.0L I6 Engine
$27,995 • 100.8k miles
•••

Not Ranked

CoPilot AI: It’s a “B+” Buy

  • Good Price - $1,255 Below Market
  • Includes $1,413 Premium Upgrades
More details
2021 GMC Sierra 1500 SLT 4WD photo
2021 GMC Sierra 1500 SLT 4WD • Fort Worth, TX
Red • 5.3L V8 Engine
$35,353 • 93k miles
•••

Not Ranked

CoPilot AI: It’s a “B-” Buy

  • Includes $5,584 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Dealer Rating - 4.7 stars
More details
2021 GMC Sierra 1500 AT4 4WD photo
Price Drop
New Find
2021 GMC Sierra 1500 AT4 4WD • Fort Worth, TX
White • 5.3L V8 Engine
$36,000 • 75.7k miles
•••

Not Ranked

CoPilot AI: It’s a “B” Buy

  • $1,000 Price Drop
  • Fair Price - $880 Above Market
  • Includes $507 Premium Upgrades
More details
2021 GMC Sierra 1500 SLT RWD photo
Price Drop
2021 GMC Sierra 1500 SLT RWD • White Settlement, TX
Gray • 3.0L I6 Engine
$32,916 • 65.2k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • $300 Price Drop
  • Great Price - $2,562 Below Market
  • Includes $4,894 Premium Upgrades
More details
2021 GMC Sierra 1500 Elevation 4WD photo
New Find
2021 GMC Sierra 1500 Elevation 4WD • White Settlement, TX
Gray • 3.0L I6 Engine
$34,216 • 82.4k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • Includes $2,360 Premium Upgrades
  • Dealer Rating - 4.5 stars
More details
2021 GMC Sierra 1500 Denali 4WD photo
2021 GMC Sierra 1500 Denali 4WD • Fort Worth, TX
Gray • 3.0L I6 Engine
$34,995 • 107.4k miles
•••

Not Ranked

CoPilot AI: It’s an “A-” Buy

  • Fair Price - $550 Above Market
  • Includes $5,843 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2021 GMC Sierra 1500 SLT 4WD photo
Price Drop
2021 GMC Sierra 1500 SLT 4WD • Fort Worth, TX
Brown • 3.0L I6 Engine
$33,350 • 88k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • $492 Price Drop
  • Great Price - $6,387 Below Market
  • Includes $9,382 Premium Upgrades
More details
2021 GMC Sierra 1500 Denali 4WD photo
Price Drop
2021 GMC Sierra 1500 Denali 4WD • Fort Worth, TX
Black • 6.2L V8 Engine
$37,151 • 91.3k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • $192 Price Drop
  • Includes $1,940 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500 SLT 4WD photo
2021 GMC Sierra 1500 SLT 4WD • Fort Worth, TX
White • 6.2L V8 Engine
$40,451 • 77.3k miles
•••

Not Ranked

CoPilot AI: It’s a “C-” Buy

  • Includes $5,260 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Average Mileage
More details
2021 GMC Sierra 1500 Denali 4WD photo
2021 GMC Sierra 1500 Denali 4WD • Fort Worth, TX
White • 3.0L I6 Engine
$34,450 • 93.6k miles
•••

Not Ranked

CoPilot AI: It’s an “A” Buy

  • Good Price - $1,560 Below Market
  • Includes $2,273 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500 Elevation 4WD photo
Price Drop
New Find
2021 GMC Sierra 1500 Elevation 4WD • Fort Worth, TX
Gray • 3.0L I6 Engine
$29,991 • 103.8k miles
•••

Not Ranked

CoPilot AI: It’s an “A-” Buy

  • $732 Price Drop
  • Fair Price - $195 Above Market
  • Includes $2,208 Premium Upgrades
More details
2021 GMC Sierra 1500 AT4 4WD photo
2021 GMC Sierra 1500 AT4 4WD • Fort Worth, TX
White • 5.3L V8 Engine
$37,465 • 75.6k miles
•••

Not Ranked

CoPilot AI: It’s a “B+” Buy

  • Fair Price - $938 Below Market
  • Includes $5,198 Premium Upgrades
  • Average Mileage
More details
2021 GMC Sierra 1500 Elevation 4WD photo
New Find
2021 GMC Sierra 1500 Elevation 4WD • North Richland Hills, TX
Gray • 2.7L I4 Engine
$31,215 • 75.3k miles
•••

Not Ranked

CoPilot AI: It’s a “C” Buy

  • Average Mileage
  • Dealer Rating - 4.4 stars
More details
2021 GMC Sierra 1500 Elevation 4WD photo
Price Drop
2021 GMC Sierra 1500 Elevation 4WD • Fort Worth, TX
Black • 5.3L V8 Engine
$31,713 • 81.8k miles
•••

Not Ranked

CoPilot AI: It’s a “C+” Buy

  • $510 Price Drop
  • Includes $871 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500  4WD photo
2021 GMC Sierra 1500 4WD • Arlington, TX
White • 5.3L V8 Engine
$29,995 • 3.7k miles
•••

Not Ranked

CoPilot AI: It’s a “B+” Buy

  • Great Price - $2,919 Below Market
  • Includes $3,041 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2021 GMC Sierra 1500 SLT RWD photo
2021 GMC Sierra 1500 SLT RWD • Arlington, TX
Gray • 5.3L V8 Engine
$36,900 • 58.8k miles
•••

Not Ranked

CoPilot AI: It’s a “B” Buy

  • Includes $4,348 Premium Upgrades
  • Below Average Mileage
  • Dealer Rating - 4.7 stars
More details
2021 GMC Sierra 1500 SLT 4WD photo
2021 GMC Sierra 1500 SLT 4WD • Arlington, TX
White • 5.3L V8 Engine
$34,999 • 138.7k miles
•••

Not Ranked

CoPilot AI: It’s a “D+” Buy

  • Includes $4,799 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Dealer Rating - 4.7 stars
More details
2021 GMC Sierra 1500 AT4 4WD photo
New Find
2021 GMC Sierra 1500 AT4 4WD • Arlington, TX
Black • 5.3L V8 Engine
$44,900 • 49.4k miles
•••

Not Ranked

CoPilot AI: It’s a “C” Buy

  • Includes $4,092 Premium Upgrades
  • Very Low Mileage
  • Dealer Rating - 4.7 stars
More details
2021 GMC Sierra 1500 AT4 4WD photo
2021 GMC Sierra 1500 AT4 4WD • Arlington, TX
Black • 3.0L I6 Engine
$48,216 • 36.8k miles
•••

Not Ranked

CoPilot AI: It’s a “B” Buy

  • Includes $8,835 Premium Upgrades
  • CARFAX: One Owner
  • Motivation to Negotiate - Increasing
More details
2021 GMC Sierra 1500 Elevation 4WD photo
2021 GMC Sierra 1500 Elevation 4WD • Arlington, TX
Gray • 3.0L I6 Engine
$31,955 • 89.3k miles
•••

Not Ranked

CoPilot AI: It’s an “A” Buy

  • Good Price - $1,819 Below Market
  • Includes $2,311 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500 SLT 4WD photo
Price Drop
2021 GMC Sierra 1500 SLT 4WD • Arlington, TX
Gray • 5.3L V8 Engine
$31,995 • 116.3k miles
•••

Not Ranked

CoPilot AI: It’s a “D+” Buy

  • $2,000 Price Drop
  • Includes $1,221 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2021 GMC Sierra 1500 Elevation 4WD photo
New Find
2021 GMC Sierra 1500 Elevation 4WD • Arlington, TX
Black • 5.3L V8 Engine
$32,212 • 79k miles
•••

Not Ranked

CoPilot AI: It’s an “A-” Buy

  • Fair Price - $497 Above Market
  • Includes $1,668 Premium Upgrades
  • Dealer Rating - 4.6 stars
More details
2021 GMC Sierra 1500 SLT 4WD photo
Price Drop
2021 GMC Sierra 1500 SLT 4WD • Arlington, TX
White • 5.3L V8 Engine
$35,999 • 51.6k miles
•••

Not Ranked

CoPilot AI: It’s a “B+” Buy

  • Great Price - $2,325 Below Market
  • Includes $8,981 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2021 GMC Sierra 1500 AT4 4WD photo
New Find
2021 GMC Sierra 1500 AT4 4WD • Grapevine, TX
Black • 3.0L I6 Engine
$38,438 • 65k miles
•••

Not Ranked

CoPilot AI: It’s an “A+” Buy

  • Great Price - $4,797 Below Market
  • Includes $8,199 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500 AT4 4WD photo
Price Drop
2021 GMC Sierra 1500 AT4 4WD • Weatherford, TX
White • 6.2L V8 Engine
$33,599 • 124.8k miles
•••

Not Ranked

CoPilot AI: It’s a “B+” Buy

  • $200 Price Drop
  • Fair Price - $896 Below Market
  • Includes $6,346 Premium Upgrades
More details
1-25 of 110 results

2021 GMC Sierra 1500

Half-Ton Truck
Seats
6
Fuel Economy
16City MPG
21Hwy MPG
NHTSA Rating Summary
Copilot Rating
Dimensions

© 2026 CoPilot. All Rights Reserved.