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
2018 GMC Sierra 2500HD Denali 4WD photo
1
Price Drop
2018 GMC Sierra 2500HD Denali 4WD Mesa, AZ
Red 6.0L V8 Engine
$31,995 110.9k miles
•••

#1 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • $505 Price Drop
  • Great Price - $6,130 Below Market
  • Includes $940 Premium Upgrades
More details
2020 GMC Sierra 2500HD Denali 4WD photo
2
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Peoria, AZ
Black 6.6L V8 Engine
$68,495 28.5k miles
•••

#2 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • $1,000 Price Drop
  • Good Price - $2,599 Below Market
  • Includes $15,608 Premium Upgrades
More details
2020 GMC Sierra 2500HD AT4 4WD photo
3
Price Drop
2020 GMC Sierra 2500HD AT4 4WD Gilbert, AZ
White 6.6L V8 Engine
$61,986 38.3k miles
•••

#3 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • $1,174 Price Drop
  • Good Price - $2,167 Below Market
  • Includes $18,304 Premium Upgrades
More details
2020 GMC Sierra 2500HD Denali 4WD photo
4
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Mesa, AZ
Black 6.6L V8 Engine
$59,991 56.8k miles
•••

#4 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • $500 Price Drop
  • Good Price - $2,113 Below Market
  • Includes $12,390 Premium Upgrades
More details
2019 GMC Sierra 2500HD Denali 4WD photo
5
Price Drop
2019 GMC Sierra 2500HD Denali 4WD Phoenix, AZ
Red 6.6L V8 Engine
$52,680 69.9k miles
•••

#5 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • $210 Price Drop
  • Fair Price - $213 Below Market
  • Includes $8,643 Premium Upgrades
More details
2016 GMC Sierra 2500HD SLT 4WD photo
6
2016 GMC Sierra 2500HD SLT 4WD Peoria, AZ
White 6.6L V8 Engine
$39,807 98k miles
•••

#6 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $496 Above Market
  • Includes $7,833 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
2018 GMC Sierra 2500HD Denali 4WD photo
7
Price Drop
2018 GMC Sierra 2500HD Denali 4WD Phoenix, AZ
White 6.6L V8 Engine
$54,990 70.6k miles
•••

#7 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • $1,000 Price Drop
  • Fair Price - $816 Above Market
  • Includes $9,146 Premium Upgrades
More details
2018 GMC Sierra 2500HD Denali 4WD photo
8
2018 GMC Sierra 2500HD Denali 4WD Phoenix, AZ
Silver 6.6L V8 Engine
$49,995 91.8k miles
•••

#8 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $1,205 Below Market
  • Includes $7,925 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
2019 GMC Sierra 2500HD Denali 4WD photo
9
Price Drop
2019 GMC Sierra 2500HD Denali 4WD Mesa, AZ
Gray 6.6L V8 Engine
$54,496 70k miles
•••

#9 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • $503 Price Drop
  • Fair Price - $1,001 Above Market
  • Includes $8,939 Premium Upgrades
More details
2018 GMC Sierra 2500HD Denali 4WD photo
10
Price Drop
2018 GMC Sierra 2500HD Denali 4WD Phoenix, AZ
White 6.6L V8 Engine
$42,975 95.8k miles
•••

#10 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $1,000 Price Drop
  • Great Price - $6,476 Below Market
  • Includes $7,959 Premium Upgrades
More details
2018 GMC Sierra 2500HD SLT 4WD photo
11
2018 GMC Sierra 2500HD SLT 4WD Avondale, AZ
Silver 6.6L V8 Engine
$35,977 167.1k miles
•••

#11 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $2,891 Below Market
  • Includes $9,509 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2016 GMC Sierra 2500HD SLT 4WD photo
12
Price Drop
2016 GMC Sierra 2500HD SLT 4WD Avondale, AZ
Black 6.6L V8 Engine
$35,992 111.7k miles
•••

#12 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $490 Price Drop
  • Great Price - $2,513 Below Market
  • Includes $7,867 Premium Upgrades
More details
2016 GMC Sierra 2500HD Denali 4WD photo
13
Price Drop
2016 GMC Sierra 2500HD Denali 4WD Mesa, AZ
Gray 6.6L V8 Engine
$38,495 129.4k miles
•••

#13 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $500 Price Drop
  • Good Price - $1,882 Below Market
  • Includes $6,512 Premium Upgrades
More details
2017 GMC Sierra 2500HD Denali 4WD photo
14
Price Drop
2017 GMC Sierra 2500HD Denali 4WD Phoenix, AZ
Black 6.6L V8 Engine
$58,237 45k miles
•••

#14 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $287 Price Drop
  • Fair Price - $1,552 Below Market
  • Includes $8,816 Premium Upgrades
More details
2020 GMC Sierra 2500HD Denali 4WD photo
15
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Peoria, AZ
Black 6.6L V8 Engine
$50,364 109k miles
•••

#15 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • $4,199 Price Drop
  • Fair Price - $342 Below Market
  • Includes $10,867 Premium Upgrades
More details
2020 GMC Sierra 2500HD AT4 4WD photo
16
2020 GMC Sierra 2500HD AT4 4WD Peoria, AZ
White 6.6L V8 Engine
$56,883 65k miles
•••

#16 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • Fair Price - $35 Above Market
  • Includes $16,657 Premium Upgrades
  • CARFAX: Clean Title
More details
2020 GMC Sierra 2500HD Denali 4WD photo
17
2020 GMC Sierra 2500HD Denali 4WD Mesa, AZ
Black 6.6L V8 Engine
$63,590 59.2k miles
•••

#17 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • Includes $12,917 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
  • Below Average Mileage
More details
2020 GMC Sierra 2500HD AT4 4WD photo
18
Price Drop
2020 GMC Sierra 2500HD AT4 4WD Glendale, AZ
Red 6.6L V8 Engine
$64,888 43.1k miles
•••

#18 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • $1,000 Price Drop
  • Includes $14,764 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
2016 GMC Sierra 2500HD Denali 4WD photo
19
Price Drop
2016 GMC Sierra 2500HD Denali 4WD Phoenix, AZ
6.6L V8 Engine
$40,972 129.7k miles
•••

#19 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB-” Buy

  • $400 Price Drop
  • Includes $5,098 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2019 GMC Sierra 2500HD Denali 4WD photo
20
2019 GMC Sierra 2500HD Denali 4WD Gilbert, AZ
Black 6.6L V8 Engine
$57,800 48.3k miles
•••

#20 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC+” Buy

  • Includes $9,102 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
  • Very Low Mileage
More details
2020 GMC Sierra 2500HD AT4 4WD photo
21
2020 GMC Sierra 2500HD AT4 4WD Peoria, AZ
White 6.6L V8 Engine
$46,750 154.1k miles
•••

#21 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC+” Buy

  • Includes $12,524 Premium Upgrades
  • CARFAX: Clean Title
  • Motivation to Negotiate - High
More details
2019 GMC Sierra 2500HD Denali 4WD photo
22
Price Drop
2019 GMC Sierra 2500HD Denali 4WD Scottsdale, AZ
Black 6.6L V8 Engine
$46,876 117k miles
•••

#22 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC” Buy

  • $7,785 Price Drop
  • Includes $7,142 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2020 GMC Sierra 2500HD Denali 4WD photo
23
2020 GMC Sierra 2500HD Denali 4WD Scottsdale, AZ
Black 6.6L V8 Engine
$69,990 38.4k miles
•••

#23 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC” Buy

  • Includes $13,028 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
  • Motivation to Negotiate - High
More details
2019 GMC Sierra 2500HD Denali 4WD photo
24
2019 GMC Sierra 2500HD Denali 4WD Glendale, AZ
White 6.6L V8 Engine
$58,888 66k miles
•••

#24 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC” Buy

  • Includes $9,299 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
  • Below Average Mileage
More details
2018 GMC Sierra 2500HD Denali 4WD photo
25
2018 GMC Sierra 2500HD Denali 4WD Mesa, AZ
Gray 6.6L V8 Engine
$51,999 106.5k miles
•••

#25 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC-” Buy

  • Includes $9,274 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
  • Motivation to Negotiate - Increasing
More details
1-25 of 42 results

2018 GMC Sierra 2500HD

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

© 2025 CoPilot. All Rights Reserved.