CoPilot AI-Assisted Car Shopping

 New Search
 Save
 Sort
 Share

Used 2018 GMC Sierra 2500HD for Sale in San Antonio, TX

Sierra 2500HDs for Sale at Dealers

Filters
Price
Year
Mileage
Trim
2017 GMC Sierra 2500HD Denali 4WD photo
1
Price Drop
2017 GMC Sierra 2500HD Denali 4WD Selma, TX
Gray 6.0L V8 Engine
$39,985 75.4k miles
•••

#1 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • $2 Price Drop
  • Great Price - $3,442 Below Market
  • Includes $827 Premium Upgrades
More details
2018 GMC Sierra 2500HD SLT 4WD photo
2
Price Drop
2018 GMC Sierra 2500HD SLT 4WD Selma, TX
Red 6.0L V8 Engine
$37,987 70.7k miles
•••

#2 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • $1,997 Price Drop
  • Good Price - $1,563 Below Market
  • Includes $4,548 Premium Upgrades
More details
2019 GMC Sierra 2500HD SLT 4WD photo
3
2019 GMC Sierra 2500HD SLT 4WD Boerne, TX
Brown 6.6L V8 Engine
$43,000 100.3k miles
•••

#3 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Good Price - $2,648 Below Market
  • Includes $9,143 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2019 GMC Sierra 2500HD Denali 4WD photo
4
Price Drop
2019 GMC Sierra 2500HD Denali 4WD Kyle, TX
White 6.6L V8 Engine
$44,995 95.3k miles
•••

#4 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • $1,000 Price Drop
  • Good Price - $2,415 Below Market
  • Includes $7,581 Premium Upgrades
More details
2020 GMC Sierra 2500HD AT4 4WD photo
5
2020 GMC Sierra 2500HD AT4 4WD San Antonio, TX
Blue 6.6L V8 Engine
$57,888 59.6k miles
•••

#5 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $1,268 Above Market
  • Includes $16,544 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
2020 GMC Sierra 2500HD Denali 4WD photo
6
2020 GMC Sierra 2500HD Denali 4WD Kyle, TX
White 6.6L V8 Engine
$55,995 99.5k miles
•••

#6 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $453 Below Market
  • Includes $13,690 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2018 GMC Sierra 2500HD SLT 4WD photo
7
Price Drop
2018 GMC Sierra 2500HD SLT 4WD Selma, TX
Gray 6.6L V8 Engine
$42,995 100.6k miles
•••

#7 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • $1,000 Price Drop
  • Fair Price - $147 Above Market
  • Includes $11,357 Premium Upgrades
More details
2016 GMC Sierra 2500HD SLT 4WD photo
8
2016 GMC Sierra 2500HD SLT 4WD Buda, TX
White 6.6L V8 Engine
$38,595 114.4k miles
•••

#8 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $441 Above Market
  • Includes $7,952 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2018 GMC Sierra 2500HD Denali 4WD photo
9
Price Drop
2018 GMC Sierra 2500HD Denali 4WD Taylor, TX
Black 6.6L V8 Engine
$44,500 120.6k miles
•••

#9 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $462 Above Market
  • Includes $7,351 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2018 GMC Sierra 2500HD Denali 4WD photo
10
2018 GMC Sierra 2500HD Denali 4WD Bastrop, TX
White 6.6L V8 Engine
$47,527 100.1k miles
•••

#10 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $1,319 Above Market
  • Includes $7,351 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
2020 GMC Sierra 2500HD AT4 4WD photo
11
Price Drop
2020 GMC Sierra 2500HD AT4 4WD Selma, TX
Black 6.6L V8 Engine
$43,556 136.1k miles
•••

#11 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $1,432 Price Drop
  • Great Price - $4,784 Below Market
  • Includes $14,078 Premium Upgrades
More details
2020 GMC Sierra 2500HD AT4 4WD photo
12
Price Drop
2020 GMC Sierra 2500HD AT4 4WD Round Rock, TX
White 6.6L V8 Engine
$50,990 92.7k miles
•••

#12 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $257 Price Drop
  • Great Price - $4,113 Below Market
  • Includes $16,663 Premium Upgrades
More details
2018 GMC Sierra 2500HD SLT 4WD photo
13
Price Drop
2018 GMC Sierra 2500HD SLT 4WD New Braunfels, TX
Brown 6.6L V8 Engine
$32,997 160.4k miles
•••

#13 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $300 Price Drop
  • Great Price - $2,917 Below Market
  • Includes $8,026 Premium Upgrades
More details
2018 GMC Sierra 2500HD Denali 4WD photo
14
2018 GMC Sierra 2500HD Denali 4WD Selma, TX
Black 6.6L V8 Engine
$44,987 97.8k miles
•••

#14 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Good Price - $1,781 Below Market
  • Includes $8,376 Premium Upgrades
  • CARFAX: One Owner, Clean Title
More details
2019 GMC Sierra 2500HD Denali 4WD photo
15
2019 GMC Sierra 2500HD Denali 4WD Kyle, TX
White 6.6L V8 Engine
$41,995 149.9k miles
•••

#15 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Fair Price - $215 Below Market
  • Includes $8,431 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
More details
2020 GMC Sierra 2500HD AT4 4WD photo
16
Price Drop
2020 GMC Sierra 2500HD AT4 4WD Kyle, TX
White 6.6L V8 Engine
$55,995 69k miles
•••

#16 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • $700 Price Drop
  • Fair Price - $775 Below Market
  • Includes $16,731 Premium Upgrades
More details
2017 GMC Sierra 2500HD Denali 4WD photo
17
2017 GMC Sierra 2500HD Denali 4WD Kyle, TX
Red 6.6L V8 Engine
$43,995 138.7k miles
•••

#17 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB-” Buy

  • Includes $7,258 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
  • Dealer Rating - 4.8 stars
More details
2020 GMC Sierra 2500HD Denali 4WD photo
18
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Round Rock, TX
White 6.6L V8 Engine
$62,472 54.4k miles
•••

#18 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC+” Buy

  • $3,000 Price Drop
  • Includes $13,238 Premium Upgrades
  • CARFAX: Clean Title
More details
2020 GMC Sierra 2500HD Denali 4WD photo
19
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Seguin, TX
White 6.6L V8 Engine
$70,995 1k miles Certified
•••

#19 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aC” Buy

  • $1,500 Price Drop
  • Includes $12,392 Premium Upgrades
  • CARFAX: One Owner, Clean Title
More details
2016 GMC Sierra 2500HD  RWD photo
20
2016 GMC Sierra 2500HD RWD Hutto, TX
White 6.0L V8 Engine
$17,906 195.9k miles
•••
More details
2018 GMC Sierra 2500HD Denali 4WD photo
2018 GMC Sierra 2500HD Denali 4WD San Antonio, TX
Gray 6.6L V8 Engine
$34,900 159.9k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • Great Price - $3,754 Below Market
  • Includes $6,953 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2016 GMC Sierra 2500HD  4WD photo
2016 GMC Sierra 2500HD 4WD San Antonio, TX
White 6.0L V8 Engine
$14,900 189.9k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • Great Price - $1,746 Below Market
  • Includes $965 Premium Upgrades
  • Motivation to Negotiate - Increasing
More details
2019 GMC Sierra 2500HD Denali 4WD photo
2019 GMC Sierra 2500HD Denali 4WD Liberty Hill, TX
White 6.6L V8 Engine
$33,900 200.7k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • Fair Price - $802 Below Market
  • Includes $5,616 Premium Upgrades
  • Dealer Rating - 4.5 stars
More details
2020 GMC Sierra 2500HD Denali 4WD photo
2020 GMC Sierra 2500HD Denali 4WD San Antonio, TX
Black 6.6L V8 Engine
$55,500 104.5k miles
•••

Not Ranked

CoPilot AI: It’s aB+” Buy

  • Fair Price - $1,014 Above Market
  • Includes $11,179 Premium Upgrades
  • Motivation to Negotiate - Very High
More details
2016 GMC Sierra 2500HD Denali 4WD photo
2016 GMC Sierra 2500HD Denali 4WD San Antonio, TX
Black 6.0L V8 Engine
$40,000 90.8k miles
•••

Not Ranked

CoPilot AI: It’s aB-” Buy

  • Includes $943 Premium Upgrades
  • Motivation to Negotiate - Very High
  • Below Average Mileage
More details
1-25 of 27 results

2018 GMC Sierra 2500HD

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

© 2025 CoPilot. All Rights Reserved.