AI-Assisted Car Shopping

 New Search
Save
Sort

Used 2020 GMC Sierra 2500HD for Sale in Denver, CO

Sierra 2500HDs for Sale at Dealers, Ranked by CoPilot AI ?

Filters
Price
Year
Mileage
Trim
2022 GMC Sierra 2500HD AT4 4WD photo
1
Price Drop
2022 GMC Sierra 2500HD AT4 4WD Lakewood, CO
$69,999 8.5k miles
•••

#1 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • $1,000 Price Drop
  • Great Price - $4,592 Below Market
  • Includes $21,072 Premium Upgrades
See more about this car
2019 GMC Sierra 2500HD  4WD photo
2
2019 GMC Sierra 2500HD 4WD Brighton, CO
$34,988 19.6k miles Certified
•••

#2 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • Great Price - $6,293 Below Market
  • Includes $308 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2020 GMC Sierra 2500HD AT4 4WD photo
3
2020 GMC Sierra 2500HD AT4 4WD Golden, CO
$65,996 28.3k miles
•••

#3 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • Good Price - $2,949 Below Market
  • Includes $17,072 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2021 GMC Sierra 2500HD Denali 4WD photo
4
Price Drop
2021 GMC Sierra 2500HD Denali 4WD Castle Rock, CO
$64,498 43k miles
•••

#4 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • $37 Price Drop
  • Good Price - $2,463 Below Market
  • Includes $12,748 Premium Upgrades
See more about this car
2020 GMC Sierra 2500HD Denali 4WD photo
5
2020 GMC Sierra 2500HD Denali 4WD Colorado Springs, CO
$60,700 48k miles
•••

#5 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $773 Below Market
  • Includes $12,592 Premium Upgrades
  • CARFAX: One Owner, Clean Title
See more about this car
2022 GMC Sierra 2500HD AT4 4WD photo
6
2022 GMC Sierra 2500HD AT4 4WD Broomfield, CO
$69,095 12.8k miles
•••

#6 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $143 Below Market
  • Includes $22,508 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2019 GMC Sierra 2500HD Denali 4WD photo
7
2019 GMC Sierra 2500HD Denali 4WD Fort Collins, CO
$59,286 48.5k miles Certified
•••

#7 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $47 Above Market
  • Includes $9,424 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2020 GMC Sierra 2500HD Denali 4WD photo
8
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Colorado Springs, CO
$64,499 41.3k miles
•••

#8 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • $496 Price Drop
  • Fair Price - $296 Above Market
  • Includes $13,904 Premium Upgrades
See more about this car
2019 GMC Sierra 2500HD Denali 4WD photo
9
2019 GMC Sierra 2500HD Denali 4WD Brighton, CO
$61,255 35.7k miles
•••

#9 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $391 Above Market
  • Includes $9,188 Premium Upgrades
  • CARFAX: Clean Title
See more about this car
2018 GMC Sierra 2500HD Denali 4WD photo
10
2018 GMC Sierra 2500HD Denali 4WD Longmont, CO
$56,534 55.2k miles
•••

#10 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $1,098 Above Market
  • Includes $8,627 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2022 GMC Sierra 2500HD AT4 4WD photo
11
Price Drop
2022 GMC Sierra 2500HD AT4 4WD Greeley, CO
$67,890 28k miles
•••

#11 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • $700 Price Drop
  • Fair Price - $1,327 Above Market
  • Includes $14,400 Premium Upgrades
See more about this car
2020 GMC Sierra 2500HD Denali 4WD photo
12
2020 GMC Sierra 2500HD Denali 4WD Golden, CO
$68,999 7.9k miles
•••

#12 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $1,931 Above Market
  • Includes $13,028 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2021 GMC Sierra 2500HD SLE 4WD photo
13
Price Drop
2021 GMC Sierra 2500HD SLE 4WD Frederick, CO
$53,495 48k miles
•••

#13 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • $500 Price Drop
  • Good Price - $2,231 Below Market
  • Includes $8,332 Premium Upgrades
See more about this car
2022 GMC Sierra 2500HD Denali 4WD photo
14
2022 GMC Sierra 2500HD Denali 4WD Loveland, CO
$63,995 39.2k miles
•••

#14 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $916 Below Market
  • Includes $8,676 Premium Upgrades
  • CARFAX: One Owner, Clean Title
See more about this car
2022 GMC Sierra 2500HD Pro 4WD photo
15
2022 GMC Sierra 2500HD Pro 4WD Henderson, CO
$49,990 46k miles
•••

#15 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $839 Below Market
  • Includes $9,804 Premium Upgrades
  • CARFAX: One Owner, Clean Title
See more about this car
2019 GMC Sierra 2500HD  4WD photo
16
2019 GMC Sierra 2500HD 4WD Longmont, CO
$34,999 98.1k miles
•••

#16 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $445 Below Market
  • Includes $7,286 Premium Upgrades
  • CARFAX: One Owner, Clean Title
See more about this car
2019 GMC Sierra 2500HD  4WD photo
17
Price Drop
2019 GMC Sierra 2500HD 4WD Englewood, CO
$36,090 96.5k miles
•••

#17 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • $500 Price Drop
  • Fair Price - $107 Above Market
  • Includes $7,563 Premium Upgrades
See more about this car
2018 GMC Sierra 2500HD Denali 4WD photo
18
2018 GMC Sierra 2500HD Denali 4WD Centennial, CO
$49,590 91.9k miles
•••

#18 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $351 Above Market
  • Includes $7,813 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2021 GMC Sierra 2500HD Denali 4WD photo
19
2021 GMC Sierra 2500HD Denali 4WD Henderson, CO
$67,484 43.3k miles
•••

#19 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $1,652 Above Market
  • Includes $12,104 Premium Upgrades
  • CARFAX: One Owner, Clean Title
See more about this car
2020 GMC Sierra 2500HD AT4 4WD photo
20
2020 GMC Sierra 2500HD AT4 4WD Colorado Springs, CO
$55,173 88.8k miles
•••

#20 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $6,821 Below Market
  • Includes $19,585 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2021 GMC Sierra 2500HD  4WD photo
21
2021 GMC Sierra 2500HD 4WD Colorado Springs, CO
$41,599 92.9k miles
•••

#21 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $2,845 Below Market
  • Includes $8,856 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2018 GMC Sierra 2500HD  4WD photo
22
2018 GMC Sierra 2500HD 4WD Longmont, CO
$27,999 136.7k miles
•••

#22 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $2,043 Below Market
  • Includes $6,006 Premium Upgrades
  • CARFAX: Clean Title
See more about this car
2020 GMC Sierra 2500HD AT4 4WD photo
23
2020 GMC Sierra 2500HD AT4 4WD Brighton, CO
$49,488 121.5k miles
•••

#23 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Good Price - $2,015 Below Market
  • Includes $15,531 Premium Upgrades
  • CARFAX: One Owner, Clean Title
See more about this car
2021 GMC Sierra 2500HD SLE 4WD photo
24
Price Drop
2021 GMC Sierra 2500HD SLE 4WD Frederick, CO
$47,795 109.2k miles
•••

#24 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $200 Price Drop
  • Good Price - $1,615 Below Market
  • Includes $12,379 Premium Upgrades
See more about this car
2019 GMC Sierra 2500HD Denali 4WD photo
25
2019 GMC Sierra 2500HD Denali 4WD Golden, CO
$55,394 58.8k miles
•••

#25 2018-2022 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Fair Price - $997 Below Market
  • Includes $8,997 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
See more about this car
1-25 of 55 results

2020 GMC Sierra 2500HD

Three-Quarter-Ton Truck
Seats
6
Fuel Economy
undefined - undefinedCity MPG
undefined - undefinedHwy 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.