CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2018 GMC Sierra 2500HD for Sale in Chicago, IL

Sierra 2500HDs for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2019 GMC Sierra 2500HD  4WD photo
21
2019 GMC Sierra 2500HD 4WD Waukesha, WI
Red 6.6L V8 Engine
$47,995 43.9k miles
•••

#21 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD+” Buy

  • Includes $10,313 Premium Upgrades
  • Very Low Mileage
  • Dealer Rating - 4.5 stars
More details
2020 GMC Sierra 2500HD Denali 4WD photo
16
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Elmhurst, IL
White 6.6L V8 Engine
$54,625 61.9k miles
•••

#16 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • $25 Price Drop
  • Fair Price - $551 Above Market
  • Includes $13,495 Premium Upgrades
More details
2019 GMC Sierra 2500HD Denali 4WD photo
7
Price Drop
2019 GMC Sierra 2500HD Denali 4WD Barrington, IL
White 6.0L V8 Engine
$38,995 96.9k miles
•••

#7 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $2,861 Below Market
  • Includes $2,464 Premium Upgrades
  • CARFAX: One Owner
More details
2018 GMC Sierra 2500HD Denali 4WD photo
3
Price Drop
2018 GMC Sierra 2500HD Denali 4WD Hodgkins, IL
Black 6.6L V8 Engine
$42,971 89.5k miles
•••

#3 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $526 Price Drop
  • Great Price - $4,876 Below Market
  • Includes $8,164 Premium Upgrades
More details
2020 GMC Sierra 2500HD AT4 4WD photo
24
2020 GMC Sierra 2500HD AT4 4WD Barrington, IL
Black 6.6L V8 Engine
$72,000 19k miles
•••

#24 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD+” Buy

  • Includes $17,544 Premium Upgrades
  • Motivation to Negotiate - Very High
  • Very Low Mileage
More details
2019 GMC Sierra 2500HD SLT 4WD photo
11
Price Drop
2019 GMC Sierra 2500HD SLT 4WD Highland, IN
White 6.6L V8 Engine
$46,975 64.5k miles
•••

#11 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $600 Price Drop
  • Fair Price - $1,108 Below Market
  • Includes $8,931 Premium Upgrades
More details
2020 GMC Sierra 2500HD SLE 4WD photo
Price Drop
2020 GMC Sierra 2500HD SLE 4WD Waukegan, IL
Blue 6.6L V8 Engine
$37,850 75.9k miles
•••
More details
2019 GMC Sierra 2500HD Denali 4WD photo
19
Price Drop
2019 GMC Sierra 2500HD Denali 4WD Fort Atkinson, WI
White 6.6L V8 Engine
$42,994 141.4k miles
•••

#19 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB-” Buy

  • $520 Price Drop
  • Fair Price - $557 Below Market
  • Includes $6,938 Premium Upgrades
More details
2020 GMC Sierra 2500HD Denali 4WD photo
1
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Huntley, IL
Black 6.6L V8 Engine
$53,222 45k miles
•••

#1 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $555 Price Drop
  • Great Price - $8,266 Below Market
  • Includes $13,549 Premium Upgrades
More details
2017 GMC Sierra 2500HD SLT 4WD photo
12
Price Drop
2017 GMC Sierra 2500HD SLT 4WD Oconomowoc, WI
Brown 6.0L V8 Engine
$35,995 83.3k miles
•••

#12 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $1,000 Price Drop
  • Fair Price - $475 Below Market
  • Includes $3,607 Premium Upgrades
More details
2016 GMC Sierra 2500HD SLT 4WD photo
10
Price Drop
2016 GMC Sierra 2500HD SLT 4WD Valparaiso, IN
Black 6.6L V8 Engine
$44,999 55.5k miles
•••

#10 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $595 Price Drop
  • Fair Price - $1,290 Below Market
  • Includes $10,019 Premium Upgrades
More details
2016 GMC Sierra 2500HD SLT 4WD photo
20
Price Drop
2016 GMC Sierra 2500HD SLT 4WD Rochelle, IL
Silver 6.6L V8 Engine
$29,500 185.5k miles
•••

#20 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC” Buy

  • $400 Price Drop
  • Includes $5,451 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2020 GMC Sierra 2500HD AT4 4WD photo
22
2020 GMC Sierra 2500HD AT4 4WD Pontiac, IL
Black 6.6L V8 Engine
$57,962 39.4k miles
•••

#22 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD+” Buy

  • Includes $7,755 Premium Upgrades
  • Motivation to Negotiate - High
  • Very Low Mileage
More details
2018 GMC Sierra 2500HD Denali 4WD photo
5
2018 GMC Sierra 2500HD Denali 4WD Belvidere, IL
Black 6.0L V8 Engine
$30,239 153.9k miles
•••

#5 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $4,308 Below Market
  • Includes $1,198 Premium Upgrades
  • Dealer Rating - 4.6 stars
More details
2020 GMC Sierra 2500HD AT4 4WD photo
9
Price Drop
2020 GMC Sierra 2500HD AT4 4WD Burlington, WI
Black 6.6L V8 Engine
$48,240 96.7k miles
•••

#9 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $250 Price Drop
  • Good Price - $1,527 Below Market
  • Includes $14,724 Premium Upgrades
More details
2020 GMC Sierra 2500HD  4WD photo
6
2020 GMC Sierra 2500HD 4WD Milton, WI
Red 6.6L V8 Engine
$35,979 72.6k miles
•••

#6 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $3,203 Below Market
  • Includes $3,431 Premium Upgrades
  • Average Mileage
More details
2018 GMC Sierra 2500HD Denali 4WD photo
Price Drop
2018 GMC Sierra 2500HD Denali 4WD Ottawa, IL
Gray 6.0L V8 Engine
$49,389 74.9k miles
•••

#26 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD-” Buy

  • $480 Price Drop
  • Motivation to Negotiate - Increasing
  • Below Average Mileage
More details
2016 GMC Sierra 2500HD SLT 4WD photo
15
2016 GMC Sierra 2500HD SLT 4WD Muskego, WI
6.6L V8 Engine
$36,299 112.5k miles
•••

#15 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • Fair Price - $527 Above Market
  • Includes $4,877 Premium Upgrades
  • Average Mileage
More details
2020 GMC Sierra 2500HD SLT 4WD photo
8
Price Drop
2020 GMC Sierra 2500HD SLT 4WD Gurnee, IL
Black 6.6L V8 Engine
$43,500 77.5k miles
•••

#8 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $500 Price Drop
  • Good Price - $1,593 Below Market
  • Includes $11,867 Premium Upgrades
More details
2016 GMC Sierra 2500HD Denali 4WD photo
14
Price Drop
2016 GMC Sierra 2500HD Denali 4WD Crystal Lake, IL
Red 6.6L V8 Engine
$32,000 189.9k miles
•••

#14 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • $2,444 Price Drop
  • Fair Price - $238 Above Market
  • Includes $5,610 Premium Upgrades
More details
2018 GMC Sierra 2500HD Denali 4WD photo
23
2018 GMC Sierra 2500HD Denali 4WD Barrington, IL
Black 6.6L V8 Engine
$58,000 63.2k miles
•••

#23 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD+” Buy

  • Includes $8,524 Premium Upgrades
  • Motivation to Negotiate - Very High
  • Very Low Mileage
More details
2020 GMC Sierra 2500HD Denali 4WD photo
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Lombard, IL
Black 6.6L V8 Engine
$47,965 91.3k miles
•••

#27 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aF” Buy

  • Includes $642 Premium Upgrades
  • Motivation to Negotiate - High
More details
2020 GMC Sierra 2500HD Denali 4WD photo
17
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Sturtevant, WI
Black 6.6L V8 Engine
$54,794 61.1k miles
•••

#17 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • $500 Price Drop
  • Fair Price - $1,494 Above Market
  • Includes $7,835 Premium Upgrades
More details
2018 GMC Sierra 2500HD SLT 4WD photo
13
Price Drop
2018 GMC Sierra 2500HD SLT 4WD Waukegan, IL
6.6L V8 Engine
$44,699 45.8k miles
•••

#13 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • Good Price - $1,628 Below Market
  • Very Low Mileage
More details
2020 GMC Sierra 2500HD SLT 4WD photo
25
Price Drop
2020 GMC Sierra 2500HD SLT 4WD Waukesha, WI
Red 6.6L V8 Engine
$44,698 82.5k miles
•••

#25 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD” Buy

  • $468 Price Drop
  • Includes $2,168 Premium Upgrades
  • CARFAX: One Owner
More details
1-25 of 35 results

2018 GMC Sierra 2500HD

Three-Quarter-Ton Truck
Seats
5
NHTSA Rating Summary
Copilot Rating
Dimensions

© 2025 CoPilot. All Rights Reserved.