AI-Assisted Car Shopping

 New Search
Save
Sort

Used 2021 GMC Sierra 1500 for Sale in Denver, CO

Sierra 1500s for Sale at Dealers, Ranked by CoPilot AI ?

Filters
Price
Year
Mileage
Trim
2023 GMC Sierra 1500 Denali 4WD photo
1
2023 GMC Sierra 1500 Denali 4WD Littleton, CO
$64,749 14.7k miles
•••

#1 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • Great Price - $5,166 Below Market
  • Includes $11,896 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2019 GMC Sierra 1500 Denali 4WD photo
2
2019 GMC Sierra 1500 Denali 4WD Denver, CO
$52,470 8.8k miles
•••

#2 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • Great Price - $5,163 Below Market
  • Includes $10,124 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2023 GMC Sierra 1500 Denali 4WD photo
3
Price Drop
2023 GMC Sierra 1500 Denali 4WD Denver, CO
$64,000 14.7k miles
•••

#3 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • $500 Price Drop
  • Great Price - $4,579 Below Market
  • Includes $10,200 Premium Upgrades
See more about this car
2023 GMC Sierra 1500 Denali 4WD photo
4
2023 GMC Sierra 1500 Denali 4WD Glendale, CO
$61,999 5.8k miles
•••

#4 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • Great Price - $4,191 Below Market
  • Includes $5,220 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2021 GMC Sierra 1500 AT4 4WD photo
5
2021 GMC Sierra 1500 AT4 4WD Loveland, CO
$50,866 31.6k miles
•••

#5 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • Great Price - $3,867 Below Market
  • Includes $11,012 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2019 GMC Sierra 1500 AT4 4WD photo
6
Price Drop
2019 GMC Sierra 1500 AT4 4WD Denver, CO
$41,092 85.3k miles
•••

#6 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • $292 Price Drop
  • Great Price - $10,827 Below Market
  • Includes $17,046 Premium Upgrades
See more about this car
2021 GMC Sierra 1500 SLT 4WD photo
7
Price Drop
2021 GMC Sierra 1500 SLT 4WD Broomfield, CO
$43,709 46.2k miles
•••

#7 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • $270 Price Drop
  • Great Price - $8,737 Below Market
  • Includes $12,383 Premium Upgrades
See more about this car
2020 GMC Sierra 1500 AT4 4WD photo
8
2020 GMC Sierra 1500 AT4 4WD Denver, CO
$48,794 67.6k miles
•••

#8 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • Great Price - $7,107 Below Market
  • Includes $16,655 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
See more about this car
2023 GMC Sierra 1500 SLE 4WD photo
9
Price Drop
2023 GMC Sierra 1500 SLE 4WD Loveland, CO
$45,982 12.8k miles Certified
•••

#9 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • $600 Price Drop
  • Great Price - $6,969 Below Market
  • Includes $5,320 Premium Upgrades
See more about this car
2021 GMC Sierra 1500 Denali 4WD photo
10
2021 GMC Sierra 1500 Denali 4WD Fort Collins, CO
$45,290 48.3k miles
•••

#10 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • Great Price - $6,164 Below Market
  • Includes $5,904 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2020 GMC Sierra 1500 Denali 4WD photo
11
2020 GMC Sierra 1500 Denali 4WD Colorado Springs, CO
$45,995 71.9k miles
•••

#11 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • Great Price - $5,976 Below Market
  • Includes $11,741 Premium Upgrades
  • CARFAX: Clean Title
See more about this car
2020 GMC Sierra 1500 Denali 4WD photo
12
2020 GMC Sierra 1500 Denali 4WD Englewood, CO
$46,590 56.8k miles Certified
•••

#12 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • Great Price - $5,825 Below Market
  • Includes $14,514 Premium Upgrades
  • CARFAX: One Owner, Clean Title
See more about this car
2023 GMC Sierra 1500 Elevation 4WD photo
13
Price Drop
2023 GMC Sierra 1500 Elevation 4WD Littleton, CO
$49,990 8.9k miles Certified
•••

#13 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • $166 Price Drop
  • Great Price - $5,487 Below Market
  • Includes $3,756 Premium Upgrades
See more about this car
2019 GMC Sierra 1500 SLT 4WD photo
14
Price Drop
2019 GMC Sierra 1500 SLT 4WD Lakewood, CO
$35,232 99.7k miles
•••

#14 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • $556 Price Drop
  • Great Price - $5,270 Below Market
  • Includes $8,560 Premium Upgrades
See more about this car
2020 GMC Sierra 1500 Elevation 4WD photo
15
Price Drop
2020 GMC Sierra 1500 Elevation 4WD Colorado Springs, CO
$39,998 51.6k miles
•••

#15 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • $5,500 Price Drop
  • Great Price - $3,839 Below Market
  • Includes $7,201 Premium Upgrades
See more about this car
2019 GMC Sierra 1500 SLT 4WD photo
16
2019 GMC Sierra 1500 SLT 4WD Littleton, CO
$34,950 97.8k miles
•••

#16 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • Great Price - $3,160 Below Market
  • Includes $10,177 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
See more about this car
2019 GMC Sierra 1500 SLE 4WD photo
17
Price Drop
2019 GMC Sierra 1500 SLE 4WD Fort Collins, CO
$28,500 97.1k miles
•••

#17 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • $487 Price Drop
  • Great Price - $3,051 Below Market
  • Includes $4,172 Premium Upgrades
See more about this car
2020 GMC Sierra 1500 AT4 4WD photo
18
2020 GMC Sierra 1500 AT4 4WD Cheyenne, WY
$49,721 26k miles
•••

#18 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • Good Price - $3,146 Below Market
  • Includes $10,348 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2020 GMC Sierra 1500 Denali 4WD photo
19
Price Drop
2020 GMC Sierra 1500 Denali 4WD Colorado Springs, CO
$50,379 34k miles
•••

#19 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA+” Buy

  • $120 Price Drop
  • Good Price - $1,902 Below Market
  • Includes $11,692 Premium Upgrades
See more about this car
2023 GMC Sierra 1500 Denali 4WD photo
20
Price Drop
2023 GMC Sierra 1500 Denali 4WD Boulder, CO
$62,283 25k miles Certified
•••

#20 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA” Buy

  • $5 Price Drop
  • Good Price - $3,833 Below Market
  • Includes $4,068 Premium Upgrades
See more about this car
2022 GMC Sierra 1500 SLT 4WD photo
21
Price Drop
2022 GMC Sierra 1500 SLT 4WD Denver, CO
$53,995 25.1k miles
•••

#21 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA” Buy

  • $1,000 Price Drop
  • Good Price - $2,689 Below Market
  • Includes $9,036 Premium Upgrades
See more about this car
2022 GMC Sierra 1500 Pro 4WD photo
22
Price Drop
2022 GMC Sierra 1500 Pro 4WD Denver, CO
$35,999 27.4k miles Certified
•••

#22 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA” Buy

  • $600 Price Drop
  • Good Price - $2,069 Below Market
  • Includes $2,305 Premium Upgrades
See more about this car
2021 GMC Sierra 1500 SLT 4WD photo
23
Price Drop
2021 GMC Sierra 1500 SLT 4WD Longmont, CO
$44,409 42.2k miles
•••

#23 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA” Buy

  • $763 Price Drop
  • Good Price - $2,023 Below Market
  • Includes $7,027 Premium Upgrades
See more about this car
2020 GMC Sierra 1500 AT4 4WD photo
24
2020 GMC Sierra 1500 AT4 4WD Cheyenne, WY
$48,995 58.5k miles
•••

#24 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA” Buy

  • Good Price - $2,002 Below Market
  • Includes $12,761 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2021 GMC Sierra 1500 SLE 4WD photo
25
2021 GMC Sierra 1500 SLE 4WD Denver, CO
$35,098 61.1k miles
•••

#25 2019-2023 GMC Sierra 1500

CoPilot AI: It’s anA” Buy

  • Good Price - $1,471 Below Market
  • Includes $2,035 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
1-25 of 130 results

2021 GMC Sierra 1500

Half-Ton Truck
Seats
6
Fuel Economy
17 - 17City MPG
23 - 23Hwy MPG
NHTSA Rating Summary
Copilot Rating
Dimensions

Why Use CoPilot?

Shop and buy your next car with confidence. CoPilot searches every car at every dealer, every day, and ranks them based on what matters to you.


When you shop for a new or used car, CoPilot helps you know more. We search every car at every dealer so you don't have to, we give you data and insights you won't find anywhere else, and we rank every car so it's easy to find the best car at the best price.


When you're ready to buy your next car, CoPilot helps you make sure you never get taken advantage of at the dealership. Would you like to know more than the salesperson? CoPilot helps you avoid any tricks, traps, and scams. Know how and what you can negotiate. With CoPilot, you'll save time, money, and frustration.

© 2024 CoPilot. All Rights Reserved.