CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2021 GMC Sierra 1500 for Sale in Austin, TX

Sierra 1500s for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2022 GMC Sierra 1500 Pro 4WD photo
Price Drop
2022 GMC Sierra 1500 Pro 4WD • San Antonio, TX
5.3L V8 Engine
$27,690 • 89.7k miles
•••

#141 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “D-” Buy

  • $300 Price Drop
  • Includes $965 Premium Upgrades
  • CARFAX: One Owner
More details
2022 GMC Sierra 1500 Denali RWD photo
Price Drop
2022 GMC Sierra 1500 Denali RWD • San Antonio, TX
Gray • 5.3L V8 Engine
$44,145 • 47.9k miles
•••

#95 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • $88 Price Drop
  • Fair Price - $787 Above Market
  • Includes $1,417 Premium Upgrades
More details
2022 GMC Sierra 1500 SLT RWD photo
Price Drop
2022 GMC Sierra 1500 SLT RWD • San Antonio, TX
Red • 5.3L V8 Engine
$34,991 • 85.7k miles
•••

#27 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $1,001 Price Drop
  • Great Price - $3,592 Below Market
  • Includes $9,693 Premium Upgrades
More details
2022 GMC Sierra 1500 SLT 4WD photo
Price Drop
2022 GMC Sierra 1500 SLT 4WD • San Antonio, TX
White • 5.3L V8 Engine
$42,650 • 33k miles • Certified
•••

#40 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $100 Price Drop
  • Good Price - $2,571 Below Market
  • Includes $5,150 Premium Upgrades
More details
2022 GMC Sierra 1500 SLT 4WD photo
15
Price Drop
2022 GMC Sierra 1500 SLT 4WD • San Antonio, TX
White • 6.2L V8 Engine
$39,818 • 57.8k miles
•••

#15 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $1,180 Price Drop
  • Great Price - $4,709 Below Market
  • Includes $13,374 Premium Upgrades
More details
2021 GMC Sierra 1500 SLT RWD photo
Price Drop
2021 GMC Sierra 1500 SLT RWD • San Antonio, TX
Gray • 5.3L V8 Engine
$37,990 • 28.9k miles • Certified
•••

#68 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $160 Price Drop
  • Fair Price - $46 Above Market
  • Includes $4,854 Premium Upgrades
More details
2021 GMC Sierra 1500 AT4 4WD photo
2021 GMC Sierra 1500 AT4 4WD • Austin, TX
Black • 5.3L V8 Engine
$40,928 • 55.6k miles
•••

#139 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “D-” Buy

  • Includes $660 Premium Upgrades
  • CARFAX: One Owner
  • Below Average Mileage
More details
2021 GMC Sierra 1500 SLT 4WD photo
Price Drop
2021 GMC Sierra 1500 SLT 4WD • Waco, TX
White • 3.0L I6 Engine
$34,655 • 97.9k miles
•••

#131 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “D” Buy

  • $1,340 Price Drop
  • Includes $3,788 Premium Upgrades
  • CARFAX: One Owner
More details
2021 GMC Sierra 1500 Elevation RWD photo
Price Drop
2021 GMC Sierra 1500 Elevation RWD • Temple, TX
Gray • 5.3L V8 Engine
$31,988 • 59.5k miles
•••

#67 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $345 Price Drop
  • Fair Price - $146 Below Market
  • Includes $1,792 Premium Upgrades
More details
2022 GMC Sierra 1500 Pro RWD photo
2022 GMC Sierra 1500 Pro RWD • San Antonio, TX
Silver • 5.3L V8 Engine
$33,991 • 38.3k miles
•••

#72 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Fair Price - $988 Above Market
  • Includes $4,649 Premium Upgrades
  • CARFAX: One Owner
More details
2020 GMC Sierra 1500 SLE RWD photo
Price Drop
2020 GMC Sierra 1500 SLE RWD • Austin, TX
Black • 5.3L V8 Engine
$26,875 • 100.9k miles
•••

#90 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • $625 Price Drop
  • Fair Price - $254 Above Market
  • Includes $5,541 Premium Upgrades
More details
2021 GMC Sierra 1500 Elevation 4WD photo
Price Drop
2021 GMC Sierra 1500 Elevation 4WD • Kerrville, TX
White • 5.3L V8 Engine
$29,999 • 97k miles
•••

#51 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $651 Price Drop
  • Great Price - $2,118 Below Market
  • Includes $4,404 Premium Upgrades
More details
2021 GMC Sierra 1500 SLT RWD photo
Price Drop
2021 GMC Sierra 1500 SLT RWD • Selma, TX
Gray • 5.3L V8 Engine
$33,250 • 58.8k miles
•••

#65 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $1,600 Price Drop
  • Fair Price - $506 Below Market
  • Includes $3,770 Premium Upgrades
More details
2020 GMC Sierra 1500 Denali RWD photo
14
Price Drop
2020 GMC Sierra 1500 Denali RWD • San Antonio, TX
Black • 3.0L I6 Engine
$36,950 • 63k miles
•••

#14 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $40 Price Drop
  • Great Price - $4,736 Below Market
  • Includes $8,234 Premium Upgrades
More details
2022 GMC Sierra 1500 SLT RWD photo
Price Drop
2022 GMC Sierra 1500 SLT RWD • Austin, TX
White • 3.0L I6 Engine
$43,127 • 48.5k miles
•••

#63 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $1,873 Price Drop
  • Fair Price - $897 Below Market
  • Includes $9,038 Premium Upgrades
More details
2021 GMC Sierra 1500 AT4 4WD photo
Price Drop
2021 GMC Sierra 1500 AT4 4WD • Bryan, TX
Black • 5.3L V8 Engine
$39,987 • 25k miles
•••

#76 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B” Buy

  • $1,732 Price Drop
  • Good Price - $1,426 Below Market
  • Includes $674 Premium Upgrades
More details
2020 GMC Sierra 1500 Elevation RWD photo
2020 GMC Sierra 1500 Elevation RWD • Temple, TX
Blue • 5.3L V8 Engine
$29,865 • 82.3k miles
•••

#36 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Great Price - $2,863 Below Market
  • Includes $5,669 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2020 GMC Sierra 1500 AT4 4WD photo
Price Drop
2020 GMC Sierra 1500 AT4 4WD • Bryan, TX
Gray • 6.2L V8 Engine
$37,997 • 69.5k miles
•••

#33 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $1,883 Price Drop
  • Great Price - $2,992 Below Market
  • Includes $11,162 Premium Upgrades
More details
2021 GMC Sierra 1500 Elevation 4WD photo
Price Drop
2021 GMC Sierra 1500 Elevation 4WD • Hutto, TX
White • 2.7L I4 Engine
$33,999 • 58.1k miles
•••

#101 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B-” Buy

  • $326 Price Drop
  • Fair Price - $292 Above Market
  • Motivation to Negotiate - Increasing
More details
2020 GMC Sierra 1500 SLT RWD photo
12
Price Drop
2020 GMC Sierra 1500 SLT RWD • Boerne, TX
Black • 5.3L V8 Engine
$32,873 • 57.9k miles
•••

#12 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $100 Price Drop
  • Great Price - $5,408 Below Market
  • Includes $8,893 Premium Upgrades
More details
2020 GMC Sierra 1500 AT4 4WD photo
6
Price Drop
2020 GMC Sierra 1500 AT4 4WD • Georgetown, TX
Gray • 3.0L I6 Engine
$26,986 • 113.1k miles
•••

#6 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $2,903 Price Drop
  • Great Price - $6,826 Below Market
  • Includes $6,480 Premium Upgrades
More details
2021 GMC Sierra 1500 SLT RWD photo
2021 GMC Sierra 1500 SLT RWD • San Antonio, TX
Gray • 5.3L V8 Engine
$35,318 • 53.1k miles
•••

#62 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Fair Price - $1,015 Below Market
  • Includes $4,484 Premium Upgrades
  • Very Low Mileage
More details
2020 GMC Sierra 1500 AT4 4WD photo
Price Drop
2020 GMC Sierra 1500 AT4 4WD • Killeen, TX
Gray • 6.2L V8 Engine
$35,889 • 76.6k miles
•••

#48 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $666 Price Drop
  • Good Price - $2,278 Below Market
  • Includes $7,268 Premium Upgrades
More details
2020 GMC Sierra 1500 Denali 4WD photo
2
Price Drop
2020 GMC Sierra 1500 Denali 4WD • Austin, TX
Gray • 6.2L V8 Engine
$32,881 • 102.9k miles
•••

#2 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • $100 Price Drop
  • Great Price - $7,377 Below Market
  • Includes $10,061 Premium Upgrades
More details
2021 GMC Sierra 1500 Denali 4WD photo
2021 GMC Sierra 1500 Denali 4WD • Austin, TX
Gray • 3.0L I6 Engine
$36,990 • 77.5k miles
•••

#57 2020-2022 GMC Sierra 1500

CoPilot AI: It’s a “B+” Buy

  • Good Price - $1,668 Below Market
  • Includes $6,528 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
1-25 of 174 results
HomeGMCSierra 1500

2021 GMC Sierra 1500

Half-Ton Truck
Seats
6
Fuel Economy
17City MPG
23Hwy MPG
NHTSA Rating Summary
Dimensions
Most Popular Models like Sierra 1500
Other Years
Research More Models
View more Crew Cab Pickups

© 2026 CoPilot. All Rights Reserved.