Used 2020 GMC Sierra 1500 for Sale in Denver, CO
Sierra 1500s for Sale at Dealers
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1
2021 GMC Sierra 1500 AT4 4WD • Colorado Springs, CO
Black • 3.0L I6 Engine
Black • 3.0L I6 Engine
$47,759 • 40.3k miles
•••
#1 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Great Price - $3,564 Below Market
- Includes $7,925 Premium Upgrades
- CARFAX: Clean Title
More details

2
2021 GMC Sierra 1500 SLE 4WD • Castle Rock, CO
Black • 3.0L I6 Engine
Black • 3.0L I6 Engine
$35,751 • 36.9k miles
•••
#2 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $248 Price Drop
- Great Price - $2,303 Below Market
- Includes $4,658 Premium Upgrades
More details

3
2021 GMC Sierra 1500 SLT 4WD • Colorado Springs, CO
Gray • 5.3L V8 Engine
Gray • 5.3L V8 Engine
$37,991 • 68.8k miles
•••
#3 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $1,000 Price Drop
- Great Price - $6,770 Below Market
- Includes $10,072 Premium Upgrades
More details
4
2019 GMC Sierra 1500 SLT 4WD • Denver, CO
Black • 6.2L V8 Engine
Black • 6.2L V8 Engine
$35,995 • 111.1k miles
•••
#4 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Great Price - $5,965 Below Market
- Includes $13,413 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
5
2020 GMC Sierra 1500 SLT 4WD • Colorado Springs, CO
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$33,325 • 99.9k miles
•••
#5 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $362 Price Drop
- Great Price - $3,936 Below Market
- Includes $9,170 Premium Upgrades
More details
6
2021 GMC Sierra 1500 Denali 4WD • Greeley, CO
Black • 6.2L V8 Engine
Black • 6.2L V8 Engine
$46,998 • 60.9k miles
•••
#6 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Great Price - $3,069 Below Market
- Includes $12,871 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
More details
7
2019 GMC Sierra 1500 SLT 4WD • Wheat Ridge, CO
Brown • 5.3L V8 Engine
Brown • 5.3L V8 Engine
$35,598 • 76.1k miles
•••
#7 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $298 Price Drop
- Great Price - $2,758 Below Market
- Includes $9,062 Premium Upgrades
More details
8
2020 GMC Sierra 1500 Denali 4WD • Lakewood, CO
Gray • 6.2L V8 Engine
Gray • 6.2L V8 Engine
$45,049 • 42.9k miles
•••
#8 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Good Price - $2,806 Below Market
- Includes $10,017 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
More details
9
2019 GMC Sierra 1500 SLT 4WD • Lakewood, CO
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$42,399 • 25.8k miles
•••
#9 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $300 Price Drop
- Good Price - $1,614 Below Market
- Includes $11,108 Premium Upgrades
More details
10
2019 GMC Sierra 1500 AT4 4WD • Centennial, CO
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$42,498 • 66.8k miles
•••
#10 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $492 Price Drop
- Good Price - $1,339 Below Market
- Includes $8,917 Premium Upgrades
More details
11
2019 GMC Sierra 1500 Denali 4WD • Denver, CO
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$35,497 • 117.6k miles
•••
#11 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $2,000 Price Drop
- Good Price - $2,080 Below Market
- Includes $7,539 Premium Upgrades
More details
12
2020 GMC Sierra 1500 Denali 4WD • Highlands Ranch, CO
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$37,791 • 102.8k miles
•••
#12 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Good Price - $1,987 Below Market
- Includes $9,539 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
More details
13
2020 GMC Sierra 1500 Denali 4WD • Lakewood, CO
Red • 6.2L V8 Engine
Red • 6.2L V8 Engine
$40,999 • 76.4k miles
•••
#13 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $488 Price Drop
- Good Price - $1,837 Below Market
- Includes $9,291 Premium Upgrades
More details
14
2019 GMC Sierra 1500 SLT 4WD • Littleton, CO
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$33,532 • 99.1k miles
•••
#14 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Good Price - $1,523 Below Market
- Includes $8,351 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
More details
15
2019 GMC Sierra 1500 AT4 4WD • Littleton, CO
Brown • 6.2L V8 Engine
Brown • 6.2L V8 Engine
$41,430 • 62.7k miles
•••
#15 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Fair Price - $1,111 Below Market
- Includes $7,186 Premium Upgrades
- CARFAX: One Owner, Clean Title
More details
16
2021 GMC Sierra 1500 Elevation 4WD • Cheyenne, WY
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$41,995 • 24.5k miles
•••
#16 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Fair Price - $864 Below Market
- Includes $3,692 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
17
2019 GMC Sierra 1500 SLT 4WD • Centennial, CO
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$37,998 • 46k miles
•••
#17 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $500 Price Drop
- Fair Price - $847 Below Market
- Includes $5,789 Premium Upgrades
More details
18
2021 GMC Sierra 1500 SLT 4WD • Aurora, CO
Blue • 5.3L V8 Engine
Blue • 5.3L V8 Engine
$39,541 • 46.9k miles
•••
#18 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $950 Price Drop
- Fair Price - $44 Below Market
- Includes $4,127 Premium Upgrades
More details
19
2021 GMC Sierra 1500 Denali 4WD • Lakewood, CO
Gray • 6.2L V8 Engine
Gray • 6.2L V8 Engine
$50,999 • 34.3k miles • Certified
•••
#19 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Fair Price - $604 Above Market
- Includes $9,486 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
20
2021 GMC Sierra 1500 Denali 4WD • Highlands Ranch, CO
Black • 3.0L I6 Engine
Black • 3.0L I6 Engine
$49,730 • 38.6k miles
•••
#20 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $1,825 Price Drop
- Fair Price - $1,034 Above Market
- Includes $8,285 Premium Upgrades
More details
21
2020 GMC Sierra 1500 SLT 4WD • Colorado Springs, CO
Gray • 5.3L V8 Engine
Gray • 5.3L V8 Engine
$36,994 • 76.6k miles
•••
#21 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Fair Price - $1,080 Below Market
- Includes $6,079 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
22
2019 GMC Sierra 1500 Denali 4WD • Denver, CO
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$38,995 • 99.4k miles
•••
#22 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Fair Price - $648 Below Market
- Includes $7,929 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
More details
23
2021 GMC Sierra 1500 AT4 4WD • Denver, CO
Gray • 3.0L I6 Engine
Gray • 3.0L I6 Engine
$44,787 • 67.9k miles
•••
#23 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Fair Price - $565 Below Market
- Includes $7,134 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
24
2021 GMC Sierra 1500 Denali 4WD • Highlands Ranch, CO
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$41,991 • 75.9k miles
•••
#24 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Fair Price - $121 Above Market
- Includes $2,390 Premium Upgrades
- CARFAX: One Owner, Clean Title
More details
25
2019 GMC Sierra 1500 SLT 4WD • Denver, CO
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$31,871 • 121.9k miles
•••
#25 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Fair Price - $213 Above Market
- Includes $7,863 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
2020 GMC Sierra 1500
Half-Ton Truck
Seats
6
Fuel Economy
17City MPG
24Hwy MPG
NHTSA Rating Summary
Copilot Rating
Dimensions
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