CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2018 GMC Sierra 2500HD for Sale in Phoenix, AZ

Sierra 2500HDs for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2016 GMC Sierra 2500HD Denali 4WD photo
13
Price Drop
2016 GMC Sierra 2500HD Denali 4WD Phoenix, AZ
Black 6.6L V8 Engine
$42,999 83.5k miles
•••

#13 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $1,000 Price Drop
  • Fair Price - $131 Below Market
  • Includes $6,844 Premium Upgrades
More details
2019 GMC Sierra 2500HD Denali 4WD photo
1
Price Drop
2019 GMC Sierra 2500HD Denali 4WD Phoenix, AZ
Silver 6.6L V8 Engine
$39,999 115.1k miles
•••

#1 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $2,001 Price Drop
  • Great Price - $5,391 Below Market
  • Includes $6,853 Premium Upgrades
More details
2018 GMC Sierra 2500HD SLT 4WD photo
17
2018 GMC Sierra 2500HD SLT 4WD Mesa, AZ
Brown 6.6L V8 Engine
$47,777 72.5k miles
•••

#17 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC+” Buy

  • Includes $9,717 Premium Upgrades
  • Very Low Mileage
  • Dealer Rating - 4.5 stars
More details
2018 GMC Sierra 2500HD  4WD photo
2018 GMC Sierra 2500HD 4WD Glendale, AZ
White 6.6L V8 Engine
$26,500 219.2k miles
•••

#27 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD-” Buy

  • Includes $4,115 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Dealer Rating - 4.5 stars
More details
2016 GMC Sierra 2500HD SLT 4WD photo
22
2016 GMC Sierra 2500HD SLT 4WD Phoenix, AZ
Black 6.6L V8 Engine
$39,888 107.1k miles
•••

#22 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD+” Buy

  • Includes $5,049 Premium Upgrades
  • Below Average Mileage
  • Dealer Rating - 4.0 stars
More details
2018 GMC Sierra 2500HD Denali 4WD photo
9
Price Drop
2018 GMC Sierra 2500HD Denali 4WD Phoenix, AZ
White 6.6L V8 Engine
$46,372 93.5k miles
•••

#9 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $600 Price Drop
  • Good Price - $2,228 Below Market
  • Includes $8,660 Premium Upgrades
More details
2016 GMC Sierra 2500HD SLT 4WD photo
25
2016 GMC Sierra 2500HD SLT 4WD Glendale, AZ
White 6.6L V8 Engine
$37,500 140.1k miles
•••

#25 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD” Buy

  • Includes $4,585 Premium Upgrades
  • Average Mileage
  • Dealer Rating - 4.5 stars
More details
2016 GMC Sierra 2500HD Denali 4WD photo
11
Price Drop
2016 GMC Sierra 2500HD Denali 4WD Mesa, AZ
Red 6.6L V8 Engine
$40,993 90.3k miles
•••

#11 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $506 Price Drop
  • Fair Price - $869 Below Market
  • Includes $6,113 Premium Upgrades
More details
2016 GMC Sierra 2500HD Denali 4WD photo
14
Price Drop
2016 GMC Sierra 2500HD Denali 4WD Phoenix, AZ
Black 6.6L V8 Engine
$44,488 74.2k miles
•••

#14 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $111 Price Drop
  • Fair Price - $513 Above Market
  • Includes $6,898 Premium Upgrades
More details
2020 GMC Sierra 2500HD AT4 4WD photo
18
Price Drop
2020 GMC Sierra 2500HD AT4 4WD Mesa, AZ
White 6.6L V8 Engine
$60,250 57.2k miles
•••

#18 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC+” Buy

  • $240 Price Drop
  • Includes $17,531 Premium Upgrades
  • Motivation to Negotiate - High
More details
2020 GMC Sierra 2500HD Denali 4WD photo
24
2020 GMC Sierra 2500HD Denali 4WD Glendale, AZ
White 6.6L V8 Engine
$73,890 43.2k miles
•••

#24 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD+” Buy

  • Includes $13,753 Premium Upgrades
  • Motivation to Negotiate - Increasing
  • Very Low Mileage
More details
2020 GMC Sierra 2500HD Denali 4WD photo
16
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Peoria, AZ
White 6.6L V8 Engine
$52,324 88.8k miles
•••

#16 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • $2,447 Price Drop
  • Fair Price - $253 Above Market
  • Includes $10,762 Premium Upgrades
More details
2020 GMC Sierra 2500HD Denali 4WD photo
2
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Phoenix, AZ
Black 6.6L V8 Engine
$48,764 89.4k miles
•••

#2 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $964 Price Drop
  • Great Price - $4,768 Below Market
  • Includes $11,581 Premium Upgrades
More details
2018 GMC Sierra 2500HD  4WD photo
3
Price Drop
2018 GMC Sierra 2500HD 4WD Glendale, AZ
Silver 6.6L V8 Engine
$27,991 93.9k miles
•••

#3 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $1,600 Price Drop
  • Great Price - $4,640 Below Market
  • Includes $6,949 Premium Upgrades
More details
2020 GMC Sierra 2500HD Denali 4WD photo
8
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Chandler, AZ
Black 6.6L V8 Engine
$59,995 35.3k miles
•••

#8 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $3 Price Drop
  • Good Price - $2,746 Below Market
  • Includes $13,028 Premium Upgrades
More details
2018 GMC Sierra 2500HD Denali 4WD photo
23
2018 GMC Sierra 2500HD Denali 4WD Glendale, AZ
Silver 6.6L V8 Engine
$59,990 71.6k miles
•••

#23 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD+” Buy

  • Includes $8,007 Premium Upgrades
  • CARFAX: One Owner
  • Very Low Mileage
More details
2019 GMC Sierra 2500HD SLT 4WD photo
21
Price Drop
2019 GMC Sierra 2500HD SLT 4WD Mesa, AZ
Black 6.6L V8 Engine
$47,991 53.2k miles
•••

#21 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD+” Buy

  • $2,000 Price Drop
  • Includes $4,022 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2019 GMC Sierra 2500HD Denali 4WD photo
7
2019 GMC Sierra 2500HD Denali 4WD Mesa, AZ
White 6.6L V8 Engine
$42,995 115.5k miles
•••

#7 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $2,935 Below Market
  • Includes $7,474 Premium Upgrades
  • CARFAX: One Owner
More details
2020 GMC Sierra 2500HD AT4 4WD photo
15
2020 GMC Sierra 2500HD AT4 4WD Tempe, AZ
Black 6.6L V8 Engine
$45,999 129k miles
•••

#15 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • Fair Price - $77 Below Market
  • Includes $12,915 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2016 GMC Sierra 2500HD SLT RWD photo
Price Drop
2016 GMC Sierra 2500HD SLT RWD Mesa, AZ
Black 6.6L V8 Engine
$34,995 120.7k miles
•••
More details
2018 GMC Sierra 2500HD Denali 4WD photo
12
2018 GMC Sierra 2500HD Denali 4WD Scottsdale, AZ
Silver 6.6L V8 Engine
$47,988 89.4k miles
•••

#12 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Fair Price - $845 Below Market
  • Includes $7,811 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2018 GMC Sierra 2500HD SLE 4WD photo
2018 GMC Sierra 2500HD SLE 4WD Mesa, AZ
Black 6.0L V8 Engine
$44,888 52.3k miles
•••

#28 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aD-” Buy

  • Motivation to Negotiate - Very High
  • Very Low Mileage
More details
2020 GMC Sierra 2500HD Denali 4WD photo
5
2020 GMC Sierra 2500HD Denali 4WD Scottsdale, AZ
White 6.6L V8 Engine
$56,995 49.8k miles
•••

#5 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $3,800 Below Market
  • Includes $13,714 Premium Upgrades
  • CARFAX: One Owner
More details
2020 GMC Sierra 2500HD Denali 4WD photo
6
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Mesa, AZ
White 6.6L V8 Engine
$51,441 70.1k miles
•••

#6 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $440 Price Drop
  • Great Price - $3,779 Below Market
  • Includes $9,040 Premium Upgrades
More details
2020 GMC Sierra 2500HD Denali 4WD photo
19
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Scottsdale, AZ
White 6.6L V8 Engine
$54,493 76.6k miles
•••

#19 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC” Buy

  • $1,488 Price Drop
  • Includes $6,949 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
1-25 of 38 results

2018 GMC Sierra 2500HD

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

© 2026 CoPilot. All Rights Reserved.