Used 2021 GMC Sierra 1500 for Sale in Austin, TX
Sierra 1500s for Sale at Dealers
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2021 GMC Sierra 1500 Denali 4WD • Waco, TX
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$39,855 • 75.7k miles
•••
#45 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B” Buy
- Fair Price - $221 Below Market
- Includes $4,883 Premium Upgrades
- CARFAX: One Owner
More details

4
2022 GMC Sierra 1500 SLT 4WD • Hutto, TX
White • 3.0L I6 Engine
White • 3.0L I6 Engine
$37,922 • 85k miles
•••
#4 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- Great Price - $5,871 Below Market
- Includes $10,288 Premium Upgrades
- Motivation to Negotiate - High
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2022 GMC Sierra 1500 SLT 4WD • Austin, TX
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$55,000 • 34.4k miles
•••
#66 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “C+” Buy
- Includes $12,303 Premium Upgrades
- CARFAX: One Owner
- Very Low Mileage
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2020 GMC Sierra 1500 SLT RWD • San Antonio, TX
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$26,990 • 118.1k miles
•••
#73 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “C” Buy
- $160 Price Drop
- Includes $4,085 Premium Upgrades
- Motivation to Negotiate - Increasing
More details
2022 GMC Sierra 1500 Denali 4WD • San Antonio, TX
Blue • 3.0L I6 Engine
Blue • 3.0L I6 Engine
$45,262 • 57.4k miles
•••
#29 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- Good Price - $1,486 Below Market
- Includes $7,065 Premium Upgrades
- Average Mileage
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2021 GMC Sierra 1500 SLT 4WD • College Station, TX
Brown • 3.0L I6 Engine
Brown • 3.0L I6 Engine
$35,000 • 65.9k miles
•••
#42 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B” Buy
- Fair Price - $655 Below Market
- Includes $4,273 Premium Upgrades
- Motivation to Negotiate - High
More details
2020 GMC Sierra 1500 SLE RWD • Austin, TX
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$26,875 • 100.9k miles
•••
#70 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “C” Buy
- $625 Price Drop
- Includes $5,331 Premium Upgrades
- Motivation to Negotiate - Very High
More details
2021 GMC Sierra 1500 Elevation RWD • San Antonio, TX
Black • 2.7L I4 Engine
Black • 2.7L I4 Engine
$26,176 • 82.5k miles
•••
#57 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B-” Buy
- Good Price - $908 Below Market
- Motivation to Negotiate - Increasing
- Dealer Rating - 4.3 stars
More details
2022 GMC Sierra 1500 SLT 4WD • San Antonio, TX
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$30,963 • 121.7k miles
•••
#60 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B-” Buy
- $1 Price Drop
- Fair Price - $207 Above Market
- Includes $3,173 Premium Upgrades
More details
2020 GMC Sierra 1500 Elevation RWD • San Antonio, TX
White • 2.7L I4 Engine
White • 2.7L I4 Engine
$28,950 • 82.3k miles
•••
#83 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “D” Buy
- Includes $2,245 Premium Upgrades
- Average Mileage
More details
2020 GMC Sierra 1500 AT4 4WD • San Antonio, TX
Black • 3.0L I6 Engine
Black • 3.0L I6 Engine
$37,318 • 88.8k miles
•••
#41 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B” Buy
- $100 Price Drop
- Fair Price - $755 Below Market
- Includes $7,675 Premium Upgrades
More details
2021 GMC Sierra 1500 SLE 4WD • San Antonio, TX
Black • 2.7L I4 Engine
Black • 2.7L I4 Engine
$28,691 • 78.8k miles
•••
#63 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “C+” Buy
- Fair Price - $822 Below Market
- Dealer Rating - 4.7 stars
More details
2020 GMC Sierra 1500 SLT 4WD • Waco, TX
Red • 5.3L V8 Engine
Red • 5.3L V8 Engine
$36,995 • 78.3k miles
•••
#74 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “C” Buy
- Includes $8,525 Premium Upgrades
- CARFAX: One Owner
- Motivation to Negotiate - Increasing
More details
2021 GMC Sierra 1500 SLT 4WD • San Antonio, TX
Black • 3.0L I6 Engine
Black • 3.0L I6 Engine
$39,991 • 92.1k miles
•••
#96 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “D” Buy
- Includes $3,912 Premium Upgrades
More details
2020 GMC Sierra 1500 SLT 4WD • San Antonio, TX
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$28,885 • 121.9k miles
•••
#28 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- Good Price - $1,569 Below Market
- Includes $7,511 Premium Upgrades
- CARFAX: One Owner
More details
2021 GMC Sierra 1500 SLE RWD • Killeen, TX
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$32,735 • 72k miles
•••
#100 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “D-” Buy
- Includes $1,111 Premium Upgrades
- Average Mileage
- Dealer Rating - 4.6 stars
More details
2022 GMC Sierra 1500 Denali 4WD • Seguin, TX
Black • 3.0L I6 Engine
Black • 3.0L I6 Engine
$59,777 • 15.1k miles
•••
#82 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “D+” Buy
- $3,618 Price Drop
- Includes $3,027 Premium Upgrades
- Motivation to Negotiate - Very High
More details
2020 GMC Sierra 1500 SLT 4WD • Austin, TX
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$36,000 • 79k miles
•••
#55 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B” Buy
- Fair Price - $677 Above Market
- Includes $4,363 Premium Upgrades
- Average Mileage
More details
2
2021 GMC Sierra 1500 Denali 4WD • Killeen, TX
Black • 6.2L V8 Engine
Black • 6.2L V8 Engine
$41,267 • 55.1k miles
•••
#2 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- Great Price - $6,119 Below Market
- Includes $13,297 Premium Upgrades
- CARFAX: One Owner
More details
2020 GMC Sierra 1500 SLT RWD • San Antonio, TX
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$31,691 • 59.3k miles
•••
#27 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $1,559 Price Drop
- Good Price - $1,618 Below Market
- Includes $6,436 Premium Upgrades
More details
2020 GMC Sierra 1500 SLT 4WD • Austin, TX
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$36,727 • 81.2k miles
•••
#91 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “D” Buy
- $90 Price Drop
- Includes $4,646 Premium Upgrades
- CARFAX: One Owner
More details
2021 GMC Sierra 1500 AT4 4WD • San Antonio, TX
Black • 6.2L V8 Engine
Black • 6.2L V8 Engine
$35,495 • 99.8k miles
•••
#56 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B” Buy
- Fair Price - $819 Above Market
- Includes $1,941 Premium Upgrades
- CARFAX: One Owner
More details
2021 GMC Sierra 1500 SLE • Waco, TX
Silver • 3.0L I6 Engine
Silver • 3.0L I6 Engine
$29,898 • 83.9k miles
•••
More details
2021 GMC Sierra 1500 AT4 4WD • Georgetown, TX
Red • 5.3L V8 Engine
Red • 5.3L V8 Engine
$35,803 • 87.3k miles
•••
#46 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B” Buy
- Fair Price - $199 Below Market
- Includes $2,348 Premium Upgrades
- CARFAX: One Owner
More details
2022 GMC Sierra 1500 Denali 4WD • San Antonio, TX
Blue • 6.2L V8 Engine
Blue • 6.2L V8 Engine
$36,846 • 119.2k miles
•••
#58 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B-” Buy
- $72 Price Drop
- Fair Price - $778 Below Market
- Includes $6,802 Premium Upgrades
More details
2021 GMC Sierra 1500
Half-Ton Truck
Seats
6
Fuel Economy
17City MPG
23Hwy MPG
NHTSA Rating Summary
Dimensions
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