CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2018 GMC Sierra 3500HD for Sale in Chicago, IL

Sierra 3500HDs for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2016 GMC Sierra 3500HD Denali 4WD photo
1
Price Drop
2016 GMC Sierra 3500HD Denali 4WD Milwaukee, WI
Gray 6.6L V8 Engine
$47,000 50k miles
•••

#1 2016-2020 GMC Sierra 3500HD

CoPilot AI: It’s anA+” Buy

  • $1,600 Price Drop
  • Good Price - $1,949 Below Market
  • Includes $6,996 Premium Upgrades
More details
2018 GMC Sierra 3500HD Denali 4WD photo
2
Price Drop
2018 GMC Sierra 3500HD Denali 4WD Arlington Heights, IL
White 6.6L V8 Engine
$36,975 139.2k miles
•••

#2 2016-2020 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • $500 Price Drop
  • Great Price - $5,139 Below Market
  • Includes $7,031 Premium Upgrades
More details
2020 GMC Sierra 3500HD Denali 4WD photo
3
2020 GMC Sierra 3500HD Denali 4WD Joliet, IL
White 6.6L V8 Engine
$52,995 86.5k miles
•••

#3 2016-2020 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $4,901 Below Market
  • Includes $14,432 Premium Upgrades
  • CARFAX: One Owner, Clean Title
More details
2018 GMC Sierra 3500HD Denali 4WD photo
4
Price Drop
2018 GMC Sierra 3500HD Denali 4WD Fox Lake, IL
Black 6.6L V8 Engine
$39,990 122.2k miles
•••

#4 2016-2020 GMC Sierra 3500HD

CoPilot AI: It’s aB+” Buy

  • $1,000 Price Drop
  • Great Price - $3,837 Below Market
  • Includes $6,551 Premium Upgrades
More details
2018 GMC Sierra 3500HD SLT 4WD photo
5
Price Drop
2018 GMC Sierra 3500HD SLT 4WD Janesville, WI
Black 6.0L V8 Engine
$50,621 51k miles
•••

#5 2016-2020 GMC Sierra 3500HD

CoPilot AI: It’s aC-” Buy

  • $879 Price Drop
  • Includes $864 Premium Upgrades
  • CARFAX: Clean Title
More details
2019 GMC Sierra 3500HD Denali 4WD photo
2019 GMC Sierra 3500HD Denali 4WD Rockford, IL
6.6L V8 Engine
$47,995 83.4k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • Great Price - $3,518 Below Market
  • Includes $7,632 Premium Upgrades
  • Average Mileage
More details
2019 GMC Sierra 3500HD Denali 4WD photo
Price Drop
2019 GMC Sierra 3500HD Denali 4WD Crest Hill, IL
Black 6.6L V8 Engine
$49,995 72.6k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • $1,000 Price Drop
  • Great Price - $3,291 Below Market
  • Includes $8,122 Premium Upgrades
More details
2019 GMC Sierra 3500HD Denali 4WD photo
Price Drop
2019 GMC Sierra 3500HD Denali 4WD Lake Geneva, WI
Black 6.6L V8 Engine
$46,450 96.2k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • $1,500 Price Drop
  • Good Price - $2,547 Below Market
  • Includes $6,712 Premium Upgrades
More details
2019 GMC Sierra 3500HD Denali 4WD photo
2019 GMC Sierra 3500HD Denali 4WD De Motte, IN
Black 6.6L V8 Engine
$53,488 69.2k miles
•••

Not Ranked

CoPilot AI: It’s aD+” Buy

  • Motivation to Negotiate - Increasing
  • Below Average Mileage
  • Dealer Rating - 4.6 stars
More details

2018 GMC Sierra 3500HD

One-Ton Truck
Seats
6
Copilot Rating
Dimensions

© 2025 CoPilot. All Rights Reserved.