AI-Assisted Car Shopping

 New Search
Save
Sort

Used 2021 GMC Sierra 3500HD for Sale in Boston, MA

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

Filters
Price
Year
Mileage
Trim
2022 GMC Sierra 3500HD Pro 4WD photo
1
2022 GMC Sierra 3500HD Pro 4WD Wareham, MA
$60,900 6.7k miles
•••

#1 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • Great Price - $5,465 Below Market
  • Includes $11,172 Premium Upgrades
  • CARFAX: One Owner, Clean Title
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
2
Price Drop
2023 GMC Sierra 3500HD Denali 4WD Keene, NH
$76,497 10.4k miles
•••

#2 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • $166 Price Drop
  • Great Price - $4,897 Below Market
  • Includes $16,540 Premium Upgrades
See more about this car
2022 GMC Sierra 3500HD AT4 4WD photo
3
Price Drop
2022 GMC Sierra 3500HD AT4 4WD Nashua, NH
$67,352 14.1k miles Certified
•••

#3 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • $244 Price Drop
  • Great Price - $4,446 Below Market
  • Includes $10,780 Premium Upgrades
See more about this car
2020 GMC Sierra 3500HD SLE 4WD photo
4
Price Drop
2020 GMC Sierra 3500HD SLE 4WD Keene, NH
$36,863 81k miles
•••

#4 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • $2,102 Price Drop
  • Great Price - $7,283 Below Market
  • Includes $6,392 Premium Upgrades
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
5
2023 GMC Sierra 3500HD Denali 4WD Portsmouth, NH
$74,495 12.1k miles
•••

#5 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • Great Price - $5,329 Below Market
  • Includes $11,868 Premium Upgrades
  • CARFAX: Clean Title
See more about this car
2020 GMC Sierra 3500HD SLT 4WD photo
6
2020 GMC Sierra 3500HD SLT 4WD Brattleboro, VT
$46,999 71.6k miles
•••

#6 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • Great Price - $3,146 Below Market
  • Includes $12,900 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2021 GMC Sierra 3500HD  4WD photo
7
Price Drop
2021 GMC Sierra 3500HD 4WD Old Saybrook, CT
$61,500 19.5k miles
•••

#7 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • $400 Price Drop
  • Good Price - $3,721 Below Market
  • Includes $9,264 Premium Upgrades
See more about this car
2022 GMC Sierra 3500HD Denali 4WD photo
8
Price Drop
2022 GMC Sierra 3500HD Denali 4WD Manchester, NH
$70,518 29k miles
•••

#8 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • $417 Price Drop
  • Good Price - $4,302 Below Market
  • Includes $12,604 Premium Upgrades
See more about this car
2021 GMC Sierra 3500HD AT4 4WD photo
9
Price Drop
2021 GMC Sierra 3500HD AT4 4WD Nashua, NH
$54,990 75.6k miles
•••

#9 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • $147 Price Drop
  • Good Price - $3,453 Below Market
  • Includes $19,651 Premium Upgrades
See more about this car
2020 GMC Sierra 3500HD Denali 4WD photo
10
Price Drop
2020 GMC Sierra 3500HD Denali 4WD Boston, MA
$59,950 51.7k miles
•••

#10 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • $1,040 Price Drop
  • Good Price - $3,179 Below Market
  • Includes $14,381 Premium Upgrades
See more about this car
2021 GMC Sierra 3500HD Denali 4WD photo
11
Price Drop
2021 GMC Sierra 3500HD Denali 4WD Boston, MA
$62,995 45k miles
•••

#11 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • $1,000 Price Drop
  • Good Price - $2,861 Below Market
  • Includes $12,580 Premium Upgrades
See more about this car
2022 GMC Sierra 3500HD Denali 4WD photo
12
Price Drop
2022 GMC Sierra 3500HD Denali 4WD Raynham, MA
$66,495 27.7k miles
•••

#12 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • $305 Price Drop
  • Good Price - $2,693 Below Market
  • Includes $13,188 Premium Upgrades
See more about this car
2023 GMC Sierra 3500HD Pro 4WD photo
13
2023 GMC Sierra 3500HD Pro 4WD Rochester, NH
$59,995 25.4k miles
•••

#13 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • Good Price - $2,532 Below Market
  • Includes $10,560 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
14
2020 GMC Sierra 3500HD Denali 4WD Keene, NH
$63,995 35.8k miles Certified
•••

#14 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $1,526 Below Market
  • Includes $13,304 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
15
2022 GMC Sierra 3500HD Denali 4WD Acton, MA
$69,995 23.6k miles
•••

#15 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $895 Below Market
  • Includes $12,828 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2021 GMC Sierra 3500HD SLT 4WD photo
16
2021 GMC Sierra 3500HD SLT 4WD Newport, NH
$56,999 24.2k miles
•••

#16 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $267 Below Market
  • Includes $9,096 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
17
Price Drop
2019 GMC Sierra 3500HD Denali 4WD Arundel, ME
$58,044 52.3k miles Certified
•••

#17 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • $291 Price Drop
  • Fair Price - $197 Above Market
  • Includes $8,905 Premium Upgrades
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
18
Price Drop
2023 GMC Sierra 3500HD Denali 4WD Vernon, CT
$76,498 8.4k miles
•••

#18 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA” Buy

  • $747 Price Drop
  • Fair Price - $350 Above Market
  • Includes $11,432 Premium Upgrades
See more about this car
2022 GMC Sierra 3500HD Denali 4WD photo
19
Price Drop
2022 GMC Sierra 3500HD Denali 4WD Vernon, CT
$72,953 8.2k miles
•••

#19 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA-” Buy

  • $2,398 Price Drop
  • Fair Price - $2,109 Below Market
  • Includes $9,364 Premium Upgrades
See more about this car
2020 GMC Sierra 3500HD Denali 4WD photo
20
Price Drop
2020 GMC Sierra 3500HD Denali 4WD Keene, NH
$57,944 79.3k miles
•••

#20 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA-” Buy

  • $541 Price Drop
  • Fair Price - $1,032 Below Market
  • Includes $12,113 Premium Upgrades
See more about this car
2020 GMC Sierra 3500HD Denali 4WD photo
21
2020 GMC Sierra 3500HD Denali 4WD Charlton, MA
$56,396 85.4k miles
•••

#21 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $704 Below Market
  • Includes $11,979 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2023 GMC Sierra 3500HD Denali 4WD photo
22
2023 GMC Sierra 3500HD Denali 4WD Wareham, MA
$76,900 35k miles
•••

#22 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $1,309 Above Market
  • Includes $10,088 Premium Upgrades
  • CARFAX: One Owner, Clean Title
See more about this car
2020 GMC Sierra 3500HD SLT 4WD photo
23
Price Drop
2020 GMC Sierra 3500HD SLT 4WD Westborough, MA
$56,500 36k miles
•••

#23 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • $750 Price Drop
  • Great Price - $6,205 Below Market
  • Includes $20,456 Premium Upgrades
See more about this car
2022 GMC Sierra 3500HD Denali 4WD photo
24
Price Drop
2022 GMC Sierra 3500HD Denali 4WD Keene, NH
$62,995 69.7k miles
•••

#24 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • $1,707 Price Drop
  • Good Price - $2,602 Below Market
  • Includes $13,942 Premium Upgrades
See more about this car
2019 GMC Sierra 3500HD  4WD photo
25
Price Drop
2019 GMC Sierra 3500HD 4WD Hudson, MA
$49,900 37.2k miles
•••

#25 2019-2023 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • $1,600 Price Drop
  • Fair Price - $961 Below Market
  • Includes $9,448 Premium Upgrades
See more about this car
1-25 of 52 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.