Used 2021 GMC Sierra 1500 for Sale in Saint Louis, MO
Sierra 1500s for Sale at Dealers
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Year
Mileage
Trim

2020 GMC Sierra 1500 SLT 4WD • Collinsville, IL
Gray • 6.2L V8 Engine
Gray • 6.2L V8 Engine
$38,995 • 49.8k miles
•••
#28 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- Good Price - $2,138 Below Market
- Includes $12,185 Premium Upgrades
- CARFAX: One Owner
More details

15
2020 GMC Sierra 1500 AT4 4WD • Springfield, IL
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$34,900 • 84.4k miles
•••
#15 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $2,090 Price Drop
- Great Price - $4,119 Below Market
- Includes $8,210 Premium Upgrades
More details

20
2020 GMC Sierra 1500 SLT 4WD • Troy, MO
Black • 3.0L I6 Engine
Black • 3.0L I6 Engine
$28,750 • 109.9k miles
•••
#20 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $250 Price Drop
- Great Price - $3,172 Below Market
- Includes $7,784 Premium Upgrades
More details

2022 GMC Sierra 1500 Denali Ultimate 4WD • St. Louis, MO
Black • 6.2L V8 Engine
Black • 6.2L V8 Engine
$55,982 • 24.5k miles
•••
#73 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B-” Buy
- $697 Price Drop
- Fair Price - $423 Below Market
- CARFAX: One Owner
More details
24
2022 GMC Sierra 1500 AT4 4WD • St Charles, MO
Blue • 6.2L V8 Engine
Blue • 6.2L V8 Engine
$49,160 • 32.1k miles
•••
#24 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $110 Price Drop
- Good Price - $2,749 Below Market
- Includes $7,983 Premium Upgrades
More details
2021 GMC Sierra 1500 SLT 4WD • Hannibal, MO
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$38,980 • 82.7k miles
•••
#116 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “D” Buy
- $1,000 Price Drop
- Includes $5,839 Premium Upgrades
- Motivation to Negotiate - Very High
More details
2021 GMC Sierra 1500 AT4 4WD • Bridgeton, MO
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$30,987 • 104.2k miles
•••
#77 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “C+” Buy
- $1,826 Price Drop
- Fair Price - $389 Below Market
- CARFAX: One Owner
More details
2021 GMC Sierra 1500 Elevation 4WD • Red Bud, IL
Silver • 5.3L V8 Engine
Silver • 5.3L V8 Engine
$29,993 • 89.4k miles
•••
#75 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B-” Buy
- Fair Price - $89 Below Market
- Includes $841 Premium Upgrades
- CARFAX: One Owner
More details
2021 GMC Sierra 1500 AT4 4WD • Fenton, MO
Gray • 3.0L I6 Engine
Gray • 3.0L I6 Engine
$41,155 • 51.6k miles
•••
#50 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $1,034 Price Drop
- Fair Price - $287 Above Market
- Includes $4,933 Premium Upgrades
More details
2022 GMC Sierra 1500 Denali Ultimate 4WD • Springfield, IL
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$59,500 • 33.3k miles
•••
#94 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “C” Buy
- $400 Price Drop
- Includes $1,208 Premium Upgrades
- Motivation to Negotiate - High
More details
2021 GMC Sierra 1500 Denali 4WD • Collinsville, IL
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$35,995 • 78.2k miles
•••
#31 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $1,000 Price Drop
- Good Price - $2,033 Below Market
- Includes $3,013 Premium Upgrades
More details
2021 GMC Sierra 1500 Denali 4WD • Collinsville, IL
Gray • 6.2L V8 Engine
Gray • 6.2L V8 Engine
$33,995 • 102.9k miles
•••
#60 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B” Buy
- Fair Price - $715 Below Market
- Includes $2,449 Premium Upgrades
- CARFAX: One Owner
More details
2020 GMC Sierra 1500 Denali 4WD • Herculaneum, MO
Blue • 6.2L V8 Engine
Blue • 6.2L V8 Engine
$40,347 • 71.5k miles
•••
#90 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “C” Buy
- Includes $8,781 Premium Upgrades
- Below Average Mileage
- Dealer Rating - 4.5 stars
More details
8
2021 GMC Sierra 1500 SLT 4WD • Union, MO
White • 3.0L I6 Engine
White • 3.0L I6 Engine
$30,891 • 116.9k miles
•••
#8 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $1,005 Price Drop
- Great Price - $4,998 Below Market
- Includes $8,943 Premium Upgrades
More details
2021 GMC Sierra 1500 SLE 4WD • St. Louis, MO
Silver • 5.3L V8 Engine
Silver • 5.3L V8 Engine
$29,962 • 92.6k miles
•••
#65 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B” Buy
- Fair Price - $9 Below Market
- Includes $1,788 Premium Upgrades
- CARFAX: One Owner
More details
21
2022 GMC Sierra 1500 AT4 4WD • Collinsville, IL
Silver • 3.0L I6 Engine
Silver • 3.0L I6 Engine
$43,995 • 61.1k miles
•••
#21 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $1,000 Price Drop
- Great Price - $3,065 Below Market
- Includes $5,472 Premium Upgrades
More details
2021 GMC Sierra 1500 Denali 4WD • Belleville, IL
Blue • 6.2L V8 Engine
Blue • 6.2L V8 Engine
$31,500 • 125.9k miles
•••
#53 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B” Buy
- Good Price - $1,890 Below Market
- Includes $6,285 Premium Upgrades
- CARFAX: One Owner
More details
2022 GMC Sierra 1500 SLT 4WD • Chesterfield, MO
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$41,197 • 44.8k miles
•••
#83 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “C+” Buy
- Includes $3,231 Premium Upgrades
- CARFAX: One Owner
- Very Low Mileage
More details
2020 GMC Sierra 1500 SLT 4WD • Collinsville, IL
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$33,995 • 58.8k miles
•••
#47 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $500 Price Drop
- Fair Price - $480 Below Market
- Includes $5,178 Premium Upgrades
More details
22
2021 GMC Sierra 1500 AT4 4WD • Troy, MO
White • 3.0L I6 Engine
White • 3.0L I6 Engine
$32,000 • 112k miles
•••
#22 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- Great Price - $3,051 Below Market
- Includes $5,957 Premium Upgrades
- Dealer Rating - 4.6 stars
More details
2022 GMC Sierra 1500 Elevation 4WD • Cape Girardeau, MO
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$39,987 • 52.6k miles
•••
#98 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “C-” Buy
- Includes $1,069 Premium Upgrades
- Below Average Mileage
- Dealer Rating - 4.4 stars
More details
2020 GMC Sierra 1500 SLT 4WD • St. Louis, MO
Blue • 5.3L V8 Engine
Blue • 5.3L V8 Engine
$37,984 • 43.5k miles
•••
#37 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $64 Price Drop
- Good Price - $1,831 Below Market
- Includes $10,223 Premium Upgrades
More details
2021 GMC Sierra 1500 AT4 4WD • Collinsville, IL
Red • 3.0L I6 Engine
Red • 3.0L I6 Engine
$44,995 • 16.3k miles • Certified
•••
#69 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B” Buy
- Fair Price - $839 Above Market
- Includes $1,279 Premium Upgrades
- Very Low Mileage
More details
2021 GMC Sierra 1500 Denali 4WD • Effingham, IL
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$28,929 • 145.5k miles
•••
#95 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “C-” Buy
- $956 Price Drop
- Includes $2,532 Premium Upgrades
- CARFAX: One Owner
More details
17
2022 GMC Sierra 1500 Denali 4WD • Collinsville, IL
Silver • 6.2L V8 Engine
Silver • 6.2L V8 Engine
$38,495 • 86.6k miles
•••
#17 2020-2022 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $500 Price Drop
- Great Price - $3,629 Below Market
- Includes $2,612 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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