Used 2018 GMC Sierra 3500HD for Sale in Denver, CO
Sierra 3500HDs for Sale at Dealers
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Year
Mileage
Trim

7
2016 GMC Sierra 3500HD Denali 4WD • Colorado Springs, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$46,619 • 75.3k miles
•••
#7 2016-2020 GMC Sierra 3500HD
CoPilot AI: It’s a “C+” Buy
- $29 Price Drop
- Includes $6,313 Premium Upgrades
- Motivation to Negotiate - Increasing
More details

2
2017 GMC Sierra 3500HD Denali 4WD • Brighton, CO
Silver • 6.6L V8 Engine
Silver • 6.6L V8 Engine
$44,274 • 109.8k miles
•••
#2 2016-2020 GMC Sierra 3500HD
CoPilot AI: It’s a “B+” Buy
- $612 Price Drop
- Great Price - $2,903 Below Market
- Includes $7,410 Premium Upgrades
More details

1
2020 GMC Sierra 3500HD Denali 4WD • Colorado Springs, CO
Black • 6.6L V8 Engine
Black • 6.6L V8 Engine
$37,998 • 141.5k miles
•••
#1 2016-2020 GMC Sierra 3500HD
CoPilot AI: It’s a “B+” Buy
- $2,800 Price Drop
- Great Price - $4,738 Below Market
- Includes $8,858 Premium Upgrades
More details

4
2018 GMC Sierra 3500HD Denali 4WD • Parker, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$49,998 • 73.2k miles
•••
#4 2016-2020 GMC Sierra 3500HD
CoPilot AI: It’s a “B+” Buy
- $601 Price Drop
- Good Price - $1,813 Below Market
- Includes $8,245 Premium Upgrades
More details
10
2020 GMC Sierra 3500HD 4WD • Lakewood, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$48,000 • 105.7k miles
•••
#10 2016-2020 GMC Sierra 3500HD
CoPilot AI: It’s a “D” Buy
- $1,000 Price Drop
- Includes $8,206 Premium Upgrades
- Dealer Rating - 4.1 stars
More details
5
2020 GMC Sierra 3500HD Denali 4WD • Denver, CO
Blue • 6.6L V8 Engine
Blue • 6.6L V8 Engine
$56,690 • 52.8k miles
•••
#5 2016-2020 GMC Sierra 3500HD
CoPilot AI: It’s a “B+” Buy
- $1 Price Drop
- Fair Price - $950 Below Market
- Includes $12,064 Premium Upgrades
More details
9
2020 GMC Sierra 3500HD Denali 4WD • Fort Collins, CO
Silver • 6.6L V8 Engine
Silver • 6.6L V8 Engine
$58,860 • 71.8k miles
•••
#9 2016-2020 GMC Sierra 3500HD
CoPilot AI: It’s a “D” Buy
- Includes $11,410 Premium Upgrades
- Motivation to Negotiate - Increasing
- Below Average Mileage
More details
8
2018 GMC Sierra 3500HD Denali 4WD • Fort Lupton, CO
Gray • 6.6L V8 Engine
Gray • 6.6L V8 Engine
$41,988 • 151k miles
•••
#8 2016-2020 GMC Sierra 3500HD
CoPilot AI: It’s a “D” Buy
- Includes $5,402 Premium Upgrades
- CARFAX: One Owner
- Motivation to Negotiate - High
More details
3
2018 GMC Sierra 3500HD Denali 4WD • Longmont, CO
Black • 6.6L V8 Engine
Black • 6.6L V8 Engine
$48,999 • 76.4k miles
•••
#3 2016-2020 GMC Sierra 3500HD
CoPilot AI: It’s a “B+” Buy
- $4,000 Price Drop
- Good Price - $1,891 Below Market
- Includes $7,575 Premium Upgrades
More details
6
2020 GMC Sierra 3500HD Denali 4WD • Littleton, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$44,392 • 108.6k miles
•••
#6 2016-2020 GMC Sierra 3500HD
CoPilot AI: It’s a “B” Buy
- $1,124 Price Drop
- Fair Price - $763 Below Market
- Includes $4,564 Premium Upgrades
More details
2017 GMC Sierra 3500HD Denali 4WD • Dacono, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$38,081 • 153.5k miles
•••
Not Ranked
CoPilot AI: It’s a “B+” Buy
- $500 Price Drop
- Great Price - $4,551 Below Market
- Includes $6,999 Premium Upgrades
More details
2020 GMC Sierra 3500HD Denali 4WD • Longmont, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$49,495 • 100.3k miles
•••
Not Ranked
CoPilot AI: It’s a “B+” Buy
- $500 Price Drop
- Good Price - $2,755 Below Market
- Includes $12,295 Premium Upgrades
More details
2018 GMC Sierra 3500HD Denali 4WD • Brighton, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$47,500 • 97.2k miles
•••
Not Ranked
CoPilot AI: It’s a “B+” Buy
- $600 Price Drop
- Good Price - $1,915 Below Market
- Includes $8,195 Premium Upgrades
More details
2019 GMC Sierra 3500HD 4WD • Greeley, CO
White • 6.0L V8 Engine
White • 6.0L V8 Engine
$32,399 • 100.4k miles
•••
Not Ranked
CoPilot AI: It’s a “B+” Buy
- $2,200 Price Drop
- Fair Price - $862 Above Market
- Includes $1,143 Premium Upgrades
More details
2018 GMC Sierra 3500HD Denali 4WD • Brighton, CO
Black • 6.0L V8 Engine
Black • 6.0L V8 Engine
$31,800 • 214.4k miles
•••
Not Ranked
CoPilot AI: It’s a “D-” Buy
- $200 Price Drop
- Motivation to Negotiate - Very High
More details
2018 GMC Sierra 3500HD
One-Ton Truck
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