Used 2020 GMC Sierra 1500 for Sale in Denver, CO
Sierra 1500s for Sale at Dealers
Filters
Price
Year
Mileage
Trim

1
2019 GMC Sierra 1500 SLE 4WD • Centennial, CO
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$33,999 • 33.9k miles
•••
#1 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $500 Price Drop
- Great Price - $4,838 Below Market
- Includes $7,284 Premium Upgrades
More details

2
2021 GMC Sierra 1500 SLE 4WD • Castle Rock, CO
Black • 3.0L I6 Engine
Black • 3.0L I6 Engine
$36,151 • 36.9k miles
•••
#2 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $1,048 Price Drop
- Great Price - $3,196 Below Market
- Includes $4,816 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 - $6,865 Below Market
- Includes $10,094 Premium Upgrades
More details

4
2020 GMC Sierra 1500 AT4 4WD • Brighton, CO
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$38,488 • 99.5k miles
•••
#4 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Great Price - $6,842 Below Market
- Includes $13,454 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
5
2019 GMC Sierra 1500 SLT 4WD • Denver, CO
Black • 6.2L V8 Engine
Black • 6.2L V8 Engine
$35,995 • 111.1k miles
•••
#5 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Great Price - $6,183 Below Market
- Includes $13,482 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
6
2019 GMC Sierra 1500 AT4 4WD • Denver, CO
Gray • 6.2L V8 Engine
Gray • 6.2L V8 Engine
$39,400 • 73.8k miles
•••
#6 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $600 Price Drop
- Great Price - $4,094 Below Market
- Includes $9,122 Premium Upgrades
More details
7
2021 GMC Sierra 1500 SLT 4WD • Cheyenne, WY
Gray • 3.0L I6 Engine
Gray • 3.0L I6 Engine
$43,995 • 61k miles
•••
#7 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $1,000 Price Drop
- Great Price - $3,500 Below Market
- Includes $11,196 Premium Upgrades
More details
8
2020 GMC Sierra 1500 SLT 4WD • Colorado Springs, CO
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$33,687 • 99.9k miles
•••
#8 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Great Price - $3,407 Below Market
- Includes $9,129 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
9
2019 GMC Sierra 1500 SLT 4WD • Castle Rock, CO
Brown • 5.3L V8 Engine
Brown • 5.3L V8 Engine
$35,999 • 76.1k miles
•••
#9 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $999 Price Drop
- Great Price - $2,553 Below Market
- Includes $9,108 Premium Upgrades
More details
10
2020 GMC Sierra 1500 Denali 4WD • Aurora, CO
Gray • 6.2L V8 Engine
Gray • 6.2L V8 Engine
$45,049 • 42.9k miles
•••
#10 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Good Price - $1,625 Below Market
- Includes $9,770 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
More details
11
2019 GMC Sierra 1500 SLT 4WD • Lakewood, CO
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$42,699 • 25.8k miles
•••
#11 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Good Price - $1,536 Below Market
- Includes $11,164 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
12
2021 GMC Sierra 1500 AT4 4WD • Colorado Springs, CO
Black • 6.2L V8 Engine
Black • 6.2L V8 Engine
$43,010 • 49.7k miles
•••
#12 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $100 Price Drop
- Good Price - $1,426 Below Market
- Includes $3,184 Premium Upgrades
More details
13
2021 GMC Sierra 1500 Elevation 4WD • Cheyenne, WY
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$41,995 • 24.5k miles
•••
#13 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Good Price - $1,338 Below Market
- Includes $3,728 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
14
2021 GMC Sierra 1500 SLT 4WD • Littleton, CO
Red • 3.0L I6 Engine
Red • 3.0L I6 Engine
$35,696 • 67.7k miles
•••
#14 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $303 Price Drop
- Good Price - $2,242 Below Market
- Includes $3,511 Premium Upgrades
More details
15
2019 GMC Sierra 1500 Denali 4WD • Denver, CO
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$35,497 • 117.6k miles
•••
#15 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $2,000 Price Drop
- Good Price - $2,184 Below Market
- Includes $7,560 Premium Upgrades
More details
16
2020 GMC Sierra 1500 Denali 4WD • Highlands Ranch, CO
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$37,791 • 102.8k miles
•••
#16 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Good Price - $2,137 Below Market
- Includes $9,575 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
More details
17
2020 GMC Sierra 1500 Denali 4WD • Lakewood, CO
Red • 6.2L V8 Engine
Red • 6.2L V8 Engine
$40,999 • 74.4k miles
•••
#17 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $488 Price Drop
- Good Price - $1,659 Below Market
- Includes $9,252 Premium Upgrades
More details
18
2020 GMC Sierra 1500 SLT 4WD • Colorado Springs, CO
Gray • 5.3L V8 Engine
Gray • 5.3L V8 Engine
$36,994 • 76.6k miles
•••
#18 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Good Price - $1,300 Below Market
- Includes $6,114 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
19
2019 GMC Sierra 1500 SLT 4WD • Centennial, CO
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$37,998 • 46k miles
•••
#19 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $500 Price Drop
- Fair Price - $1,044 Below Market
- Includes $5,818 Premium Upgrades
More details
20
2021 GMC Sierra 1500 SLT 4WD • Colorado Springs, CO
Gray • 5.3L V8 Engine
Gray • 5.3L V8 Engine
$39,310 • 49k miles
•••
#20 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $300 Price Drop
- Fair Price - $1,025 Below Market
- Includes $4,754 Premium Upgrades
More details
21
2019 GMC Sierra 1500 AT4 4WD • Centennial, CO
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$42,990 • 66.8k miles
•••
#21 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Fair Price - $126 Below Market
- Includes $8,770 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
22
2021 GMC Sierra 1500 Denali 4WD • Lakewood, CO
Gray • 6.2L V8 Engine
Gray • 6.2L V8 Engine
$50,999 • 34.3k miles • Certified
•••
#22 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Fair Price - $526 Above Market
- Includes $9,501 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
23
2021 GMC Sierra 1500 SLT 4WD • Aurora, CO
Blue • 5.3L V8 Engine
Blue • 5.3L V8 Engine
$40,491 • 46.9k miles
•••
#23 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $999 Price Drop
- Fair Price - $810 Above Market
- Includes $4,137 Premium Upgrades
More details
24
2020 GMC Sierra 1500 SLT 4WD • Colorado Springs, CO
White • 3.0L I6 Engine
White • 3.0L I6 Engine
$36,235 • 69.8k miles
•••
#24 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- $540 Price Drop
- Good Price - $1,277 Below Market
- Includes $1,312 Premium Upgrades
More details
25
2019 GMC Sierra 1500 Denali 4WD • Denver, CO
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$38,995 • 99.4k miles
•••
#25 2019-2021 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Fair Price - $739 Below Market
- Includes $7,947 Premium Upgrades
- CARFAX: 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
Most Popular Models like Sierra 1500 Other Years Research More Models View more Crew Cab Pickups