2019 GMC Sierra 2500HD Denali

2019 GMC Sierra 2500HD
48,820 Miles | Montclair, CA
$72,199
est. $1,041/mo

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2019 GMC Sierra 2500HD Denali

2019 GMC Sierra 2500HD
12,299 Miles | Boynton Beach, FL
$71,998
est. $1,038/mo

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2019 GMC Sierra 2500HD Denali

2019 GMC Sierra 2500HD
14,232 Miles | Online Only
$69,950
est. $1,008/mo

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2013 GMC Sierra 2500HD Denali

2013 GMC Sierra 2500HD
81,508 Miles | Puyallup, WA
$44,999
est. $649/mo

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2016 GMC Sierra 2500HD Denali

2016 GMC Sierra 2500HD
75,743 Miles | Spokane Valley, WA
$64,999
est. $937/mo

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2016 GMC Sierra 2500HD Denali

2016 GMC Sierra 2500HD
44,753 Miles | Lynnwood, WA
$64,999
est. $937/mo

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2017 GMC Sierra 2500HD Denali

2017 GMC Sierra 2500HD
50,501 Miles | Spokane Valley, WA
$67,999
est. $980/mo

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2017 GMC Sierra 2500HD Denali

2017 GMC Sierra 2500HD
48,091 Miles | Puyallup, WA
$71,999
est. $1,038/mo

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2017 GMC Sierra 2500HD Denali

2017 GMC Sierra 2500HD
43,919 Miles | Puyallup, WA
$72,999
est. $1,052/mo

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2020 GMC Sierra 2500HD Denali

2020 GMC Sierra 2500HD
8,182 Miles | Spokane Valley, WA
$79,999
est. $1,153/mo

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2020 GMC Sierra 2500HD Denali

2020 GMC Sierra 2500HD
5,795 Miles | Puyallup, WA
$86,999
est. $1,254/mo

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2020 GMC Sierra 2500HD Denali

2020 GMC Sierra 2500HD
15,822 Miles | Puyallup, WA
$84,999
est. $1,225/mo

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2016 GMC Sierra 2500HD Denali

2016 GMC Sierra 2500HD
54,522 Miles | Puyallup, WA
$64,999
est. $937/mo

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2015 GMC Sierra 2500HD Denali

2015 GMC Sierra 2500HD
67,662 Miles | Spokane Valley, WA
$62,999
est. $908/mo

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2017 GMC Sierra 2500HD Denali

2017 GMC Sierra 2500HD
22,229 Miles | Boise, ID
$72,999
est. $1,052/mo

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2020 GMC Sierra 2500HD Denali

2020 GMC Sierra 2500HD
25,504 Miles | Spokane Valley, WA
$79,999
est. $1,153/mo

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2016 GMC Sierra 2500HD Denali

2016 GMC Sierra 2500HD
28,835 Miles | Puyallup, WA
$69,999
est. $1,009/mo

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2020 GMC Sierra 2500HD Denali

2020 GMC Sierra 2500HD
1,637 Miles | Clive, IA
$78,725
est. $1,135/mo

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2018 GMC Sierra 2500HD Denali

2018 GMC Sierra 2500HD
32,706 Miles | Newport News, VA
$65,600
est. $946/mo

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2015 GMC Sierra 2500HD Denali

2015 GMC Sierra 2500HD
117,143 Miles | Clive, IA
$40,000
est. $577/mo

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GMC Sierra 2500HD Owner Ratings & Reviews

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2011 GMC Sierra 2500HD - Very pleased with the reliability.

Sierra 2500HD Owner
Crestview, Florida
Overall
5.0
Value
4.0
Performance
5.0
Style
5.0
Comfort
5.0
Fuel Economy
5.0
Reliability
5.0
Great styling. Denali honeycomb grille is undeniable. 20 inch polished aluminum wheels, and chrome running boards. A powerful 6.6 liter Duramax Diesel engine with 395 hp. coupled with a super reliable Allison six speed transmission putting down 765 ft. lbs. of torque are what moves this beast down the road. Even with a load behind you. This 3/4 ton beast is boasting a max payload of 6635 lbs. and a towing capacity of 21,700 lbs.
Story
Driving along the beach highway with the sunroof open and windows down taking in the salt air.
Pros
Powerful diesel engine, reliable Allison transmission, rear entertainment system, navigation, XM radio, Bose surround sound speakers, leather interior, heated and cooled seats, dual zone climate control, four wheel drive, fuel mileage, running boards, remote start, high towing capacity, exhaust brake, high fuel capacity, large cabin, center console, USB port, 3,12 volt power outlets, 6 way power seats, sunroof.
Cons
Rear park assist constantly says it's blocked while connected to a trailer, does not come with factory tow mirrors, AM radio goes in and out constantly, glow plugs are prone to fail, DPF system takes costly DEF fluid, electric seat motors are prone to failure, traction control is tied to multiple electronic devices and is hard to trouble shoot when there is an issue, belt tension pulleys are made of cheap plastic.