AI-Assisted Car Shopping

 New Search
Save
Sort

Used 2021 GMC Sierra 3500HD for Sale in Portland, OR

Sierra 3500HDs for Sale at Dealers, Ranked by CoPilot AI ?

Filters
Price
Year
Mileage
Trim
2023 GMC Sierra 3500HD Denali 4WD photo
1
Price Drop
2023 GMC Sierra 3500HD Denali 4WD Newberg, OR
$71,900 16.6k miles
•••

#1 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • $1,000 Price Drop
  • Great Price - $5,490 Below Market
  • Includes $12,748 Premium Upgrades
See more about this car
2021 GMC Sierra 3500HD Denali 4WD photo
2
Price Drop
2021 GMC Sierra 3500HD Denali 4WD Gladstone, OR
$61,942 45.8k miles
•••

#2 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • $337 Price Drop
  • Great Price - $4,853 Below Market
  • Includes $12,715 Premium Upgrades
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
3
Price Drop
2023 GMC Sierra 3500HD Denali 4WD Milwaukie, OR
$68,999 36.2k miles
•••

#3 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • $965 Price Drop
  • Great Price - $5,367 Below Market
  • Includes $12,748 Premium Upgrades
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
4
Price Drop
2023 GMC Sierra 3500HD Denali 4WD Milwaukie, OR
$71,149 25.8k miles
•••

#4 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • $1,534 Price Drop
  • Great Price - $4,710 Below Market
  • Includes $12,748 Premium Upgrades
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
5
Price Drop
2023 GMC Sierra 3500HD Denali 4WD Milwaukie, OR
$72,963 15.8k miles
•••

#5 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • $254 Price Drop
  • Good Price - $3,436 Below Market
  • Includes $11,868 Premium Upgrades
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
6
Price Drop
2023 GMC Sierra 3500HD Denali 4WD Hillsboro, OR
$69,994 12.8k miles
•••

#6 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • $1 Price Drop
  • Good Price - $4,051 Below Market
  • Includes $9,256 Premium Upgrades
See more about this car
2022 GMC Sierra 3500HD SLT 4WD photo
7
Price Drop
2022 GMC Sierra 3500HD SLT 4WD Milwaukie, OR
$65,575 26.7k miles
•••

#7 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • $424 Price Drop
  • Good Price - $3,516 Below Market
  • Includes $11,376 Premium Upgrades
See more about this car
2020 GMC Sierra 3500HD Denali 4WD photo
8
Price Drop
2020 GMC Sierra 3500HD Denali 4WD McMinnville, OR
$60,595 72.2k miles
•••

#8 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • $400 Price Drop
  • Good Price - $2,031 Below Market
  • Includes $12,331 Premium Upgrades
See more about this car
2020 GMC Sierra 3500HD Denali 4WD photo
9
Price Drop
2020 GMC Sierra 3500HD Denali 4WD Tigard, OR
$64,995 38.3k miles
•••

#9 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • $1,000 Price Drop
  • Fair Price - $560 Below Market
  • Includes $13,904 Premium Upgrades
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
10
Price Drop
2023 GMC Sierra 3500HD Denali 4WD McMinnville, OR
$72,964 24.3k miles
•••

#10 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA-” Buy

  • $1,024 Price Drop
  • Good Price - $2,617 Below Market
  • Includes $12,384 Premium Upgrades
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
11
Price Drop
2023 GMC Sierra 3500HD Denali 4WD Gladstone, OR
$77,691 9.6k miles
•••

#11 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA-” Buy

  • $2,238 Price Drop
  • Fair Price - $781 Below Market
  • Includes $12,784 Premium Upgrades
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
12
Price Drop
2023 GMC Sierra 3500HD Denali 4WD Gresham, OR
$74,492 9.8k miles
•••

#12 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA-” Buy

  • $1,762 Price Drop
  • Fair Price - $506 Below Market
  • Includes $10,052 Premium Upgrades
See more about this car
2020 GMC Sierra 3500HD Denali 4WD photo
13
2020 GMC Sierra 3500HD Denali 4WD Longview, WA
$64,858 55.8k miles
•••

#13 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $47 Above Market
  • Includes $12,464 Premium Upgrades
  • CARFAX: Clean Title
See more about this car
2020 GMC Sierra 3500HD Denali 4WD photo
14
Price Drop
2020 GMC Sierra 3500HD Denali 4WD Newberg, OR
$66,647 55k miles
•••

#14 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA-” Buy

  • $189 Price Drop
  • Fair Price - $1,364 Above Market
  • Includes $12,923 Premium Upgrades
See more about this car
2019 GMC Sierra 3500HD Denali 4WD photo
15
2019 GMC Sierra 3500HD Denali 4WD Hillsboro, OR
$54,000 73.9k miles
•••

#15 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $6,964 Below Market
  • Includes $9,388 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2019 GMC Sierra 3500HD Denali 4WD photo
16
Price Drop
2019 GMC Sierra 3500HD Denali 4WD Hillsboro, OR
$54,400 69.7k miles
•••

#16 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • $595 Price Drop
  • Great Price - $6,813 Below Market
  • Includes $8,656 Premium Upgrades
See more about this car
2022 GMC Sierra 3500HD Denali 4WD photo
17
Price Drop
2022 GMC Sierra 3500HD Denali 4WD Gresham, OR
$75,257 10 miles
•••

#17 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • $400 Price Drop
  • Good Price - $3,296 Below Market
  • Includes $16,712 Premium Upgrades
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
18
Price Drop
2023 GMC Sierra 3500HD Denali 4WD Hillsboro, OR
$69,994 29.3k miles
•••

#18 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • $1 Price Drop
  • Fair Price - $1,583 Below Market
  • Includes $9,292 Premium Upgrades
See more about this car
2022 GMC Sierra 3500HD Denali 4WD photo
19
2022 GMC Sierra 3500HD Denali 4WD Milwaukie, OR
$68,998 36k miles
•••

#19 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • Fair Price - $698 Below Market
  • Includes $9,032 Premium Upgrades
  • CARFAX: Clean Title
See more about this car
2022 GMC Sierra 3500HD AT4 4WD photo
20
2022 GMC Sierra 3500HD AT4 4WD Beaverton, OR
$65,000 35.7k miles
•••

#20 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • Fair Price - $572 Below Market
  • Includes $9,008 Premium Upgrades
  • CARFAX: Clean Title
See more about this car
2022 GMC Sierra 3500HD Denali 4WD photo
21
2022 GMC Sierra 3500HD Denali 4WD Portland, OR
$69,990 39.9k miles
•••

#21 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • Fair Price - $314 Below Market
  • Includes $9,912 Premium Upgrades
  • CARFAX: Clean Title
See more about this car
2022 GMC Sierra 3500HD Denali 4WD photo
22
2022 GMC Sierra 3500HD Denali 4WD Gladstone, OR
$68,750 31.6k miles
•••

#22 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB” Buy

  • Fair Price - $956 Below Market
  • Includes $10,564 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2022 GMC Sierra 3500HD Denali 4WD photo
23
2022 GMC Sierra 3500HD Denali 4WD Gladstone, OR
$69,900 40.5k miles
•••

#23 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB” Buy

  • Fair Price - $238 Above Market
  • Includes $12,784 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2020 GMC Sierra 3500HD Denali 4WD photo
24
2020 GMC Sierra 3500HD Denali 4WD Newberg, OR
$66,900 46.6k miles
•••

#24 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB” Buy

  • Includes $13,300 Premium Upgrades
  • CARFAX: One Owner, Clean Title
  • Below Average Mileage
See more about this car
2022 GMC Sierra 3500HD AT4 4WD photo
25
2022 GMC Sierra 3500HD AT4 4WD Gresham, OR
$77,960 8.6k miles
•••

#25 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB” Buy

  • Includes $12,648 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
  • Very Low Mileage
See more about this car
1-25 of 38 results

2021 GMC Sierra 3500HD

One-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.