Used 2020 GMC Sierra 2500HD for Sale in Denver, CO
Sierra 2500HDs for Sale at Dealers
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Year
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17
2022 GMC Sierra 2500HD SLT 4WD • Littleton, CO
Red • 6.6L V8 Engine
Red • 6.6L V8 Engine
$42,560 • 95k miles
•••
#17 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- Good Price - $2,453 Below Market
- Includes $1,865 Premium Upgrades
- Dealer Rating - 4.8 stars
More details
1
2018 GMC Sierra 2500HD 4WD • Denver, CO
6.0L V8 Engine
6.0L V8 Engine
$17,750 • 120.6k miles
•••
#1 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- Great Price - $12,406 Below Market
- Motivation to Negotiate - Increasing
- Dealer Rating - 4.4 stars
More details

2021 GMC Sierra 2500HD Denali 4WD • Denver, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$46,995 • 165.6k miles
•••
#48 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “D-” Buy
- $1,000 Price Drop
- Includes $9,501 Premium Upgrades
- Motivation to Negotiate - Very High
More details

8
2020 GMC Sierra 2500HD AT4 4WD • Boulder, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$47,000 • 93k miles
•••
#8 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- $487 Price Drop
- Great Price - $5,038 Below Market
- Includes $15,173 Premium Upgrades
More details
3
2022 GMC Sierra 2500HD AT4 4WD • Centennial, CO
Red • 6.6L V8 Engine
Red • 6.6L V8 Engine
$57,999 • 52.9k miles
•••
#3 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- Great Price - $7,481 Below Market
- Includes $20,476 Premium Upgrades
- CARFAX: One Owner
More details
2019 GMC Sierra 2500HD Denali 4WD • Cheyenne, WY
Black • 6.6L V8 Engine
Black • 6.6L V8 Engine
$47,995 • 100.9k miles
•••
#34 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B” Buy
- Fair Price - $438 Above Market
- Includes $7,537 Premium Upgrades
- Average Mileage
More details
2019 GMC Sierra 2500HD Denali 4WD • Littleton, CO
Red • 6.6L V8 Engine
Red • 6.6L V8 Engine
$47,895 • 92.7k miles
•••
#29 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B” Buy
- $100 Price Drop
- Fair Price - $907 Below Market
- Includes $7,874 Premium Upgrades
More details
15
2020 GMC Sierra 2500HD SLT 4WD • Longmont, CO
Blue • 6.6L V8 Engine
Blue • 6.6L V8 Engine
$36,999 • 143.6k miles
•••
#15 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- Great Price - $2,686 Below Market
- Includes $8,245 Premium Upgrades
- Motivation to Negotiate - Increasing
More details
16
2019 GMC Sierra 2500HD Denali 4WD • Fort Lupton, CO
Black • 6.6L V8 Engine
Black • 6.6L V8 Engine
$44,899 • 99k miles
•••
#16 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- $100 Price Drop
- Good Price - $2,564 Below Market
- Includes $7,535 Premium Upgrades
More details
2022 GMC Sierra 2500HD AT4 4WD • CO
Red • 6.6L V8 Engine
Red • 6.6L V8 Engine
$54,820 • 69.2k miles
•••
#36 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B” Buy
- Fair Price - $1,032 Above Market
- Includes $10,874 Premium Upgrades
- CARFAX: One Owner
More details
2022 GMC Sierra 2500HD AT4 4WD • Colorado Springs, CO
Black • 6.6L V8 Engine
Black • 6.6L V8 Engine
$52,316 • 92.6k miles
•••
#30 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B” Buy
- Fair Price - $819 Below Market
- Includes $10,072 Premium Upgrades
- Motivation to Negotiate - Increasing
More details
13
2022 GMC Sierra 2500HD SLE 4WD • Golden, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$32,490 • 120.1k miles
•••
#13 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- $500 Price Drop
- Great Price - $3,042 Below Market
- Includes $4,200 Premium Upgrades
More details
12
2022 GMC Sierra 2500HD SLE 4WD • Colorado Springs, CO
Silver • 6.6L V8 Engine
Silver • 6.6L V8 Engine
$33,998 • 81.8k miles
•••
#12 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- $1,000 Price Drop
- Great Price - $3,332 Below Market
- Includes $1,007 Premium Upgrades
More details
2020 GMC Sierra 2500HD AT4 4WD • Denver, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$53,995 • 96.1k miles
•••
#41 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “C” Buy
- Includes $15,374 Premium Upgrades
- Motivation to Negotiate - Very High
More details
23
2021 GMC Sierra 2500HD Denali 4WD • Littleton, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$65,000 • 41.1k miles
•••
#23 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- Fair Price - $626 Below Market
- Includes $13,122 Premium Upgrades
- Very Low Mileage
More details
22
2020 GMC Sierra 2500HD Denali 4WD • CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$54,998 • 67.2k miles
•••
#22 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- Fair Price - $1,261 Below Market
- Includes $11,638 Premium Upgrades
- Motivation to Negotiate - Increasing
More details
14
2020 GMC Sierra 2500HD Denali 4WD • Lone Tree, CO
Gray • 6.6L V8 Engine
Gray • 6.6L V8 Engine
$54,990 • 43k miles
•••
#14 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- $1,305 Price Drop
- Good Price - $2,753 Below Market
- Includes $12,277 Premium Upgrades
More details
24
2020 GMC Sierra 2500HD SLE 4WD • Colorado Springs, CO
White • 6.6L V8 Engine
White • 6.6L V8 Engine
$35,710 • 65.1k miles
•••
#24 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- Fair Price - $95 Below Market
- Includes $2,419 Premium Upgrades
- Below Average Mileage
More details
2019 GMC Sierra 2500HD Denali 4WD • Centennial, CO
Silver • 6.6L V8 Engine
Silver • 6.6L V8 Engine
$43,798 • 145.8k miles
•••
#47 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “D” Buy
- $200 Price Drop
- Includes $5,922 Premium Upgrades
- Dealer Rating - 4.4 stars
More details
18
2022 GMC Sierra 2500HD Denali 4WD • Colorado Springs, CO
Black • 6.6L V8 Engine
Black • 6.6L V8 Engine
$58,399 • 65k miles
•••
#18 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- $300 Price Drop
- Good Price - $2,362 Below Market
- Includes $8,789 Premium Upgrades
More details
2022 GMC Sierra 2500HD AT4 4WD • Longmont, CO
Black • 6.6L V8 Engine
Black • 6.6L V8 Engine
$57,722 • 42.1k miles
•••
#44 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “D+” Buy
- Includes $3,094 Premium Upgrades
- Very Low Mileage
- Dealer Rating - 4.4 stars
More details
2020 GMC Sierra 2500HD Denali 4WD • CO
Black • 6.6L V8 Engine
Black • 6.6L V8 Engine
$52,989 • 81.7k miles
•••
#40 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “C” Buy
- Includes $7,706 Premium Upgrades
- CARFAX: One Owner
- Motivation to Negotiate - Increasing
More details
25
2020 GMC Sierra 2500HD Denali 4WD • Loveland, CO
Black • 6.6L V8 Engine
Black • 6.6L V8 Engine
$56,572 • 59.1k miles
•••
#25 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- $1,014 Price Drop
- Fair Price - $1,042 Above Market
- Includes $12,205 Premium Upgrades
More details
11
2018 GMC Sierra 2500HD 4WD • Longmont, CO
White • 6.0L V8 Engine
White • 6.0L V8 Engine
$15,999 • 162.6k miles
•••
#11 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B+” Buy
- $2,000 Price Drop
- Great Price - $3,513 Below Market
- Includes $268 Premium Upgrades
More details
2021 GMC Sierra 2500HD Denali 4WD • Colorado Springs, CO
Silver • 6.6L V8 Engine
Silver • 6.6L V8 Engine
$59,011 • 68.9k miles
•••
#33 2018-2022 GMC Sierra 2500HD
CoPilot AI: It’s a “B” Buy
- Fair Price - $132 Above Market
- Includes $12,469 Premium Upgrades
- CARFAX: One Owner
More details
2020 GMC Sierra 2500HD
Three-Quarter-Ton Truck
Seats
6
Dimensions
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