AI-Assisted Car Shopping

 New Search
Save
Sort

Used 2018 GMC Sierra 2500HD for Sale in Saint Louis, MO

Sierra 2500HDs for Sale at Dealers, Ranked by CoPilot AI ?

Filters
Price
Year
Mileage
Trim
2016 GMC Sierra 2500HD SLT 4WD photo
1
Price Drop
2016 GMC Sierra 2500HD SLT 4WD O'Fallon, MO
$32,500 101.5k miles
•••

#1 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • $1,500 Price Drop
  • Great Price - $5,693 Below Market
  • Includes $4,383 Premium Upgrades
See more about this car
2020 GMC Sierra 2500HD AT4 4WD photo
2
Price Drop
2020 GMC Sierra 2500HD AT4 4WD St Peters, MO
$54,470 83.5k miles
•••

#2 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • $510 Price Drop
  • Great Price - $4,147 Below Market
  • Includes $16,312 Premium Upgrades
See more about this car
2018 GMC Sierra 2500HD Denali 4WD photo
3
2018 GMC Sierra 2500HD Denali 4WD Springfield, IL
$38,995 131.3k miles
•••

#3 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • Great Price - $3,326 Below Market
  • Includes $6,777 Premium Upgrades
  • CARFAX: One Owner, Clean Title
See more about this car
2019 GMC Sierra 2500HD Denali 4WD photo
4
Price Drop
2019 GMC Sierra 2500HD Denali 4WD Collinsville, IL
$49,995 85.3k miles
•••

#4 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • $1,000 Price Drop
  • Great Price - $4,386 Below Market
  • Includes $817 Premium Upgrades
See more about this car
2017 GMC Sierra 2500HD Denali 4WD photo
5
2017 GMC Sierra 2500HD Denali 4WD Collinsville, IL
$48,495 75.5k miles
•••

#5 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA+” Buy

  • Good Price - $2,608 Below Market
  • Includes $7,982 Premium Upgrades
  • CARFAX: Clean Title
See more about this car
2019 GMC Sierra 2500HD Denali 4WD photo
6
Price Drop
2019 GMC Sierra 2500HD Denali 4WD Herculaneum, MO
$53,201 69.1k miles
•••

#6 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • $564 Price Drop
  • Good Price - $3,108 Below Market
  • Includes $9,240 Premium Upgrades
See more about this car
2020 GMC Sierra 2500HD SLT 4WD photo
7
2020 GMC Sierra 2500HD SLT 4WD Collinsville, IL
$52,995 68.3k miles
•••

#7 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Good Price - $1,975 Below Market
  • Includes $19,224 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2020 GMC Sierra 2500HD Denali 4WD photo
8
Price Drop
2020 GMC Sierra 2500HD Denali 4WD Herculaneum, MO
$62,277 42.2k miles
•••

#8 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • $804 Price Drop
  • Fair Price - $1,885 Below Market
  • Includes $13,068 Premium Upgrades
See more about this car
2018 GMC Sierra 2500HD Denali 4WD photo
9
2018 GMC Sierra 2500HD Denali 4WD Springfield, IL
$44,995 64.2k miles
•••

#9 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Good Price - $1,518 Below Market
  • Includes $1,111 Premium Upgrades
  • CARFAX: Clean Title
See more about this car
2016 GMC Sierra 2500HD Denali 4WD photo
10
2016 GMC Sierra 2500HD Denali 4WD Collinsville, IL
$33,995 162.4k miles
•••

#10 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Good Price - $1,448 Below Market
  • Includes $5,686 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2016 GMC Sierra 2500HD SLT 4WD photo
11
Price Drop
2016 GMC Sierra 2500HD SLT 4WD Creve Coeur, MO
$39,998 55.7k miles
•••

#11 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • $590 Price Drop
  • Fair Price - $606 Below Market
  • Includes $4,842 Premium Upgrades
See more about this car
2020 GMC Sierra 2500HD Denali 4WD photo
12
2020 GMC Sierra 2500HD Denali 4WD Collinsville, IL
$62,495 46.2k miles
•••

#12 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA” Buy

  • Fair Price - $749 Above Market
  • Includes $9,472 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2020 GMC Sierra 2500HD SLT 4WD photo
13
2020 GMC Sierra 2500HD SLT 4WD Collinsville, IL
$45,995 93.9k miles
•••

#13 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $1,273 Below Market
  • Includes $12,943 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
See more about this car
2018 GMC Sierra 2500HD SLT 4WD photo
14
Price Drop
2018 GMC Sierra 2500HD SLT 4WD Springfield, IL
$42,999 116.5k miles
•••

#14 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • $1,000 Price Drop
  • Fair Price - $1,201 Below Market
  • Includes $10,548 Premium Upgrades
See more about this car
2018 GMC Sierra 2500HD Denali 4WD photo
15
2018 GMC Sierra 2500HD Denali 4WD Collinsville, IL
$50,995 78.1k miles
•••

#15 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $834 Below Market
  • Includes $8,505 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2016 GMC Sierra 2500HD SLT 4WD photo
16
2016 GMC Sierra 2500HD SLT 4WD Collinsville, IL
$34,995 165.5k miles
•••

#16 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $137 Below Market
  • Includes $9,147 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
See more about this car
2020 GMC Sierra 2500HD SLT 4WD photo
17
2020 GMC Sierra 2500HD SLT 4WD Collinsville, IL
$47,995 69.6k miles
•••

#17 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s anA-” Buy

  • Fair Price - $36 Below Market
  • Includes $7,383 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2020 GMC Sierra 2500HD Denali 4WD photo
18
2020 GMC Sierra 2500HD Denali 4WD Sullivan, MO
$52,995 74.9k miles
•••

#18 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $6,056 Below Market
  • Includes $12,478 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2018 GMC Sierra 2500HD Denali 4WD photo
19
Price Drop
2018 GMC Sierra 2500HD Denali 4WD Waterloo, IL
$44,995 85.5k miles
•••

#19 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $1,000 Price Drop
  • Great Price - $5,478 Below Market
  • Includes $8,295 Premium Upgrades
See more about this car
2019 GMC Sierra 2500HD Denali 4WD photo
20
Price Drop
2019 GMC Sierra 2500HD Denali 4WD Salem, IL
$46,998 98.2k miles
•••

#20 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • $2,996 Price Drop
  • Great Price - $5,294 Below Market
  • Includes $9,213 Premium Upgrades
See more about this car
2019 GMC Sierra 2500HD Denali 4WD photo
21
2019 GMC Sierra 2500HD Denali 4WD Springfield, IL
$55,495 51.9k miles
•••

#21 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Great Price - $4,858 Below Market
  • Includes $9,424 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
See more about this car
2016 GMC Sierra 2500HD Denali 4WD photo
22
2016 GMC Sierra 2500HD Denali 4WD Springfield, IL
$49,495 57.4k miles
•••

#22 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB+” Buy

  • Fair Price - $1,272 Below Market
  • Includes $8,024 Premium Upgrades
  • CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
See more about this car
2018 GMC Sierra 2500HD Denali 4WD photo
23
Price Drop
2018 GMC Sierra 2500HD Denali 4WD Springfield, IL
$41,999 132.1k miles
•••

#23 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • $1,000 Price Drop
  • Fair Price - $853 Below Market
  • Includes $7,343 Premium Upgrades
See more about this car
2018 GMC Sierra 2500HD Denali 4WD photo
24
2018 GMC Sierra 2500HD Denali 4WD Springfield, IL
$44,999 114.6k miles
•••

#24 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • Fair Price - $479 Below Market
  • Includes $7,236 Premium Upgrades
  • CARFAX: Clean Title, Not a rental or commercial vehicle
See more about this car
2020 GMC Sierra 2500HD Denali 4WD photo
25
2020 GMC Sierra 2500HD Denali 4WD Collinsville, IL
$58,995 87.3k miles
•••

#25 2016-2020 GMC Sierra 2500HD

CoPilot AI: It’s aB” Buy

  • Fair Price - $933 Above Market
  • Includes $12,121 Premium Upgrades
  • CARFAX: One Owner, Clean Title
See more about this car
1-25 of 46 results

2018 GMC Sierra 2500HD

Three-Quarter-Ton Truck
Seats
6
Fuel Economy
undefined - undefinedCity MPG
undefined - undefinedHwy MPG
NHTSA Rating Summary
Copilot Rating
Dimensions

Why Use CoPilot?

Shop and buy your next car with confidence. CoPilot searches every car at every dealer, every day, and ranks them based on what matters to you.


When you shop for a new or used car, CoPilot helps you know more. We search every car at every dealer so you don't have to, we give you data and insights you won't find anywhere else, and we rank every car so it's easy to find the best car at the best price.


When you're ready to buy your next car, CoPilot helps you make sure you never get taken advantage of at the dealership. Would you like to know more than the salesperson? CoPilot helps you avoid any tricks, traps, and scams. Know how and what you can negotiate. With CoPilot, you'll save time, money, and frustration.

© 2024 CoPilot. All Rights Reserved.