Used 2021 GMC Sierra 1500 for Sale in Saint Louis, MO
Sierra 1500s for Sale at Dealers
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1
2021 GMC Sierra 1500 SLE 4WD • Florissant, MO
Blue • 5.3L V8 Engine
Blue • 5.3L V8 Engine
$31,500 • 38.8k miles
•••
#1 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $2,000 Price Drop
- Great Price - $2,648 Below Market
- Includes $2,007 Premium Upgrades
More details

2
2021 GMC Sierra 1500 SLT 4WD • Sullivan, MO
Gray • 6.2L V8 Engine
Gray • 6.2L V8 Engine
$41,995 • 56.9k miles • Certified
•••
#2 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Great Price - $8,286 Below Market
- Includes $11,971 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details

3
2022 GMC Sierra 1500 SLT 4WD • Springfield, IL
Blue • 6.2L V8 Engine
Blue • 6.2L V8 Engine
$41,999 • 58.3k miles
•••
#3 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $25 Price Drop
- Great Price - $7,622 Below Market
- Includes $13,309 Premium Upgrades
More details

4
2020 GMC Sierra 1500 SLT 4WD • St. Louis, MO
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$30,895 • 101.7k miles
•••
#4 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $100 Price Drop
- Great Price - $7,028 Below Market
- Includes $8,331 Premium Upgrades
More details
5
2021 GMC Sierra 1500 SLT 4WD • Collinsville, IL
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$32,495 • 88.6k miles
•••
#5 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $500 Price Drop
- Great Price - $4,458 Below Market
- Includes $9,304 Premium Upgrades
More details
6
2022 GMC Sierra 1500 SLT 4WD • Highland, IL
Gray • 3.0L I6 Engine
Gray • 3.0L I6 Engine
$43,984 • 60k miles
•••
#6 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $751 Price Drop
- Great Price - $3,740 Below Market
- Includes $11,878 Premium Upgrades
More details
7
2021 GMC Sierra 1500 SLE 4WD • St Peters, MO
Black • 3.0L I6 Engine
Black • 3.0L I6 Engine
$34,747 • 60.4k miles
•••
#7 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $664 Price Drop
- Great Price - $3,307 Below Market
- Includes $4,413 Premium Upgrades
More details
8
2021 GMC Sierra 1500 AT4 4WD • Manchester, MO
Gray • 6.2L V8 Engine
Gray • 6.2L V8 Engine
$48,940 • 35.5k miles
•••
#8 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Good Price - $2,890 Below Market
- Includes $10,475 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
9
2021 GMC Sierra 1500 AT4 4WD • Collinsville, IL
Red • 5.3L V8 Engine
Red • 5.3L V8 Engine
$43,995 • 44.7k miles • Certified
•••
#9 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Good Price - $2,483 Below Market
- Includes $6,866 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
10
2021 GMC Sierra 1500 Denali 4WD • Ballwin, MO
Red • 6.2L V8 Engine
Red • 6.2L V8 Engine
$47,450 • 14.6k miles
•••
#10 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $2,500 Price Drop
- Good Price - $2,260 Below Market
- Includes $5,690 Premium Upgrades
More details
11
2020 GMC Sierra 1500 SLE RWD • Wood River, IL
Gray • 5.3L V8 Engine
Gray • 5.3L V8 Engine
$31,790 • 49.7k miles • Certified
•••
#11 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $700 Price Drop
- Good Price - $1,253 Below Market
- Includes $5,659 Premium Upgrades
More details
12
2021 GMC Sierra 1500 SLT 4WD • Salem, IL
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$36,995 • 81.9k miles
•••
#12 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Good Price - $2,315 Below Market
- Includes $9,990 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
13
2020 GMC Sierra 1500 SLT 4WD • St. Louis, MO
Red • 6.2L V8 Engine
Red • 6.2L V8 Engine
$35,855 • 95.4k miles
•••
#13 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $10 Price Drop
- Good Price - $2,131 Below Market
- Includes $10,867 Premium Upgrades
More details
14
2021 GMC Sierra 1500 SLT 4WD • Collinsville, IL
White • 3.0L I6 Engine
White • 3.0L I6 Engine
$34,995 • 74.1k miles • Certified
•••
#14 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $1,000 Price Drop
- Good Price - $1,427 Below Market
- Includes $4,888 Premium Upgrades
More details
15
2020 GMC Sierra 1500 Denali 4WD • Collinsville, IL
Red • 6.2L V8 Engine
Red • 6.2L V8 Engine
$35,995 • 92.1k miles
•••
#15 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $500 Price Drop
- Good Price - $1,318 Below Market
- Includes $7,129 Premium Upgrades
More details
16
2020 GMC Sierra 1500 SLT 4WD • Springfield, IL
Red • 6.2L V8 Engine
Red • 6.2L V8 Engine
$36,980 • 87.1k miles
•••
#16 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Good Price - $1,318 Below Market
- Includes $11,307 Premium Upgrades
- CARFAX: Clean Title
More details
17
2022 GMC Sierra 1500 Denali 4WD • St Peters, MO
Gray • 3.0L I6 Engine
Gray • 3.0L I6 Engine
$55,940 • 27.3k miles
•••
#17 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Fair Price - $1,083 Below Market
- Includes $5,440 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
18
2021 GMC Sierra 1500 SLT 4WD • Herculaneum, MO
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$44,225 • 38.2k miles
•••
#18 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $101 Price Drop
- Fair Price - $210 Above Market
- Includes $10,836 Premium Upgrades
More details
19
2022 GMC Sierra 1500 SLT 4WD • Taylorville, IL
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$45,494 • 31.8k miles
•••
#19 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $1,685 Price Drop
- Fair Price - $1,111 Above Market
- Includes $4,205 Premium Upgrades
More details
20
2022 GMC Sierra 1500 Denali 4WD • Mexico, MO
White • 3.0L I6 Engine
White • 3.0L I6 Engine
$47,200 • 63.6k miles
•••
#20 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- $300 Price Drop
- Fair Price - $1,439 Below Market
- Includes $3,331 Premium Upgrades
More details
21
2021 GMC Sierra 1500 Elevation 4WD • Columbia, IL
Gray • 5.3L V8 Engine
Gray • 5.3L V8 Engine
$29,950 • 95.1k miles
•••
#21 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Good Price - $1,370 Below Market
- Includes $876 Premium Upgrades
- CARFAX: One Owner, Clean Title
More details
22
2021 GMC Sierra 1500 AT4 4WD • Jerseyville, IL
Red • 3.0L I6 Engine
Red • 3.0L I6 Engine
$41,688 • 72.1k miles
•••
#22 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Fair Price - $1,218 Below Market
- Includes $7,394 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
23
2020 GMC Sierra 1500 SLT 4WD • Hannibal, MO
Red • 5.3L V8 Engine
Red • 5.3L V8 Engine
$35,980 • 75.5k miles
•••
#23 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- $2,000 Price Drop
- Fair Price - $467 Below Market
- Includes $4,555 Premium Upgrades
More details
24
2020 GMC Sierra 1500 4WD • Fredericktown, MO
Gray • 5.3L V8 Engine
Gray • 5.3L V8 Engine
$27,989 • 94.8k miles
•••
#24 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Fair Price - $141 Below Market
- Includes $3,150 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
25
2021 GMC Sierra 1500 Denali 4WD • St. Louis, MO
Black • 3.0L I6 Engine
Black • 3.0L I6 Engine
$41,000 • 75.5k miles
•••
#25 2020-2022 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- $500 Price Drop
- Fair Price - $16 Below Market
- Includes $7,001 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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