New Search
Save
Sort
Used 2021 GMC Sierra 3500HD for Sale in Seattle, WA
Sierra 3500HDs for Sale at Dealers, Ranked by CoPilot AI ?
Filters
Price
Year
Mileage
Trim
1
2019 GMC Sierra 3500HD Denali 4WD • Olympia, WA
$60,803 • 27.3k miles
•••
#1 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A+” Buy
- Great Price - $9,883 Below Market
- Includes $8,808 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2
Price Drop
2020 GMC Sierra 3500HD SLT 4WD • Mount Vernon, WA
$52,600 • 41k miles
•••
#2 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A+” Buy
- $300 Price Drop
- Great Price - $5,242 Below Market
- Includes $13,491 Premium Upgrades
See more about this car
3
Price Drop
2020 GMC Sierra 3500HD SLE 4WD • Bellingham, WA
$39,500 • 41.3k miles
•••
#3 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A+” Buy
- $5,495 Price Drop
- Great Price - $3,902 Below Market
- Includes $2,196 Premium Upgrades
See more about this car
4
2023 GMC Sierra 3500HD Denali 4WD • Anacortes, WA
$74,988 • 14.6k miles
•••
#4 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A+” Buy
- Great Price - $5,528 Below Market
- Includes $15,660 Premium Upgrades
- CARFAX: Clean Title
See more about this car
5
Price Drop
2019 GMC Sierra 3500HD Denali 4WD • Everett, WA
$57,491 • 71.4k miles
•••
#5 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A+” Buy
- $454 Price Drop
- Great Price - $4,246 Below Market
- Includes $9,388 Premium Upgrades
See more about this car
6
Price Drop
2023 GMC Sierra 3500HD AT4 4WD • Bellingham, WA
$67,897 • 21.7k miles
•••
#6 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A+” Buy
- $100 Price Drop
- Great Price - $17,899 Below Market
- Includes $20,780 Premium Upgrades
See more about this car
7
Price Drop
2022 GMC Sierra 3500HD Pro 4WD • Anacortes, WA
$57,988 • 10.5k miles
•••
#7 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A+” Buy
- $600 Price Drop
- Good Price - $3,084 Below Market
- Includes $8,960 Premium Upgrades
See more about this car
8
Price Drop
2020 GMC Sierra 3500HD Denali 4WD • Burien, WA
$63,000 • 50.4k miles
•••
#8 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A” Buy
- $500 Price Drop
- Good Price - $2,766 Below Market
- Includes $13,028 Premium Upgrades
See more about this car
9
Price Drop
2020 GMC Sierra 3500HD Denali 4WD • Puyallup, WA
$63,991 • 57k miles
•••
#9 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A” Buy
- $6 Price Drop
- Good Price - $2,198 Below Market
- Includes $12,835 Premium Upgrades
See more about this car
10
2021 GMC Sierra 3500HD Denali 4WD • Everett, WA
$61,943 • 57.2k miles
•••
#10 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A” Buy
- Good Price - $2,013 Below Market
- Includes $15,804 Premium Upgrades
- CARFAX: One Owner, Clean Title
See more about this car
11
Price Drop
2021 GMC Sierra 3500HD Denali 4WD • Puyallup, WA
$68,941 • 21.5k miles
•••
#11 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A” Buy
- $1,457 Price Drop
- Fair Price - $41 Below Market
- Includes $11,868 Premium Upgrades
See more about this car
12
Price Drop
2020 GMC Sierra 3500HD SLE 4WD • Kirkland, WA
$47,295 • 20.1k miles
•••
#12 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A” Buy
- $200 Price Drop
- Fair Price - $505 Above Market
- Includes $3,332 Premium Upgrades
See more about this car
13
Price Drop
2021 GMC Sierra 3500HD Denali 4WD • Aberdeen, WA
$59,499 • 67.6k miles
•••
#13 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A-” Buy
- $355 Price Drop
- Good Price - $2,387 Below Market
- Includes $10,767 Premium Upgrades
See more about this car
14
Price Drop
2022 GMC Sierra 3500HD Denali 4WD • McKenna, WA
$66,610 • 45.9k miles
•••
#14 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A-” Buy
- $200 Price Drop
- Fair Price - $1,470 Below Market
- Includes $12,816 Premium Upgrades
See more about this car
15
Price Drop
2023 GMC Sierra 3500HD SLT 4WD • Auburn, WA
$71,477 • 7.5k miles
•••
#15 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A-” Buy
- $400 Price Drop
- Fair Price - $84 Above Market
- Includes $11,180 Premium Upgrades
See more about this car
16
2020 GMC Sierra 3500HD SLE 4WD • Ellensburg, WA
$56,999 • 50k miles
•••
#16 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A-” Buy
- Fair Price - $126 Above Market
- Includes $11,612 Premium Upgrades
- CARFAX: Clean Title
See more about this car
17
Price Drop
2023 GMC Sierra 3500HD SLT 4WD • Mount Vernon, WA
$71,897 • 7.9k miles
•••
#17 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s an “A-” Buy
- $1,075 Price Drop
- Fair Price - $562 Above Market
- Includes $11,180 Premium Upgrades
See more about this car
18
Price Drop
2020 GMC Sierra 3500HD SLE 4WD • Bellingham, WA
$33,997 • 123.5k miles
•••
#18 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s a “B” Buy
- $500 Price Drop
- Good Price - $1,555 Below Market
- Includes $1,892 Premium Upgrades
See more about this car
19
2023 GMC Sierra 3500HD SLT 4WD • Ellensburg, WA
$72,990 • 41.4k miles
•••
#19 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s a “B” Buy
- Fair Price - $1,355 Below Market
- Includes $18,452 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
See more about this car
20
2023 GMC Sierra 3500HD SLE 4WD • Enumclaw, WA
$63,991 • 15.8k miles
•••
#20 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s a “B” Buy
- Fair Price - $1,174 Below Market
- Includes $12,772 Premium Upgrades
- CARFAX: Clean Title
See more about this car
21
Price Drop
2022 GMC Sierra 3500HD Pro 4WD • Enumclaw, WA
$48,996 • 30.4k miles
•••
#21 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s a “B” Buy
- $890 Price Drop
- Fair Price - $553 Above Market
- Includes $1,108 Premium Upgrades
See more about this car
22
Price Drop
2023 GMC Sierra 3500HD Denali 4WD • Bellevue, WA
$76,997 • 14.7k miles
•••
#22 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s a “B” Buy
- Includes $9,948 Premium Upgrades
- CARFAX: One Owner, Clean Title
- Motivation to Negotiate - Increasing
See more about this car
23
2020 GMC Sierra 3500HD Denali 4WD • Auburn, WA
$71,999 • 19.1k miles
•••
#23 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s a “B” Buy
- Includes $13,904 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
- Very Low Mileage
See more about this car
24
Price Drop
2023 GMC Sierra 3500HD AT4 4WD • Burlington, WA
$73,777 • 17.6k miles
•••
#24 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s a “B-” Buy
- $218 Price Drop
- Includes $7,912 Premium Upgrades
- CARFAX: Clean Title
See more about this car
25
2020 GMC Sierra 3500HD Denali 4WD • Burien, WA
$56,991 • 89.2k miles
•••
#25 2019-2023 GMC Sierra 3500HD
CoPilot AI: It’s a “B-” Buy
- Includes $7,038 Premium Upgrades
- CARFAX: Clean Title
- Dealer Rating - 4.4 stars
See more about this car
2021 GMC Sierra 3500HD
One-Ton Truck
Seats
6
Fuel Economy
undefined - undefinedCity MPG
undefined - undefinedHwy MPG
NHTSA Rating Summary
Copilot Rating
Dimensions
Most Popular Models like Sierra 3500HDGMC Sierra 3500HD near Seattle, WAOther Years
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.