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*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
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Used
2015 GMC Sierra 3500 Denali trucks
for sale
near me
- Down Payment
- $0
- Net trade-in value
- $0
- Months
- 72
- APR
- 7.0%
- Sales tax
- 0.0%
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.






Used
2015 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
I had a wonderful experience with Caleb Polen, both
I had a wonderful experience with Caleb Polen, both trading in my vehicle and purchasing the new one. I would highly recommend Leesburg Buick GMC and Caleb.
well put together vehicle
The truck met all my expectations and more so far. the engine is powerful and the ride is smooth. the interior is great and so are the things this truck has.






Used
2015 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
Great dealership!
Just bought my first car from here! Great dealership Yosuf was a wonderful sales representative! Highly recommend You’ll love it here! I promise you that
Versatile and comfortable hauler
This SRW truck carries a slide-in truck camper and tows a boat when it's not a daily driver. The gas 6.0L is very capable to handle both and the truck is comfortable riding when not loaded down. Reliable engine and truck.
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GMC Sierra 3500 prices by year
Model year | Prices from | Deals |
---|---|---|
2025 GMC Sierra 3500 Denali | $74,685 | 13 Good deals |
2024 GMC Sierra 3500 Denali | $59,611 | 107 Good deals |
2023 GMC Sierra 3500 Denali | $49,999 | 8 Great deals |
2022 GMC Sierra 3500 Denali | $49,880 | 15 Great deals |
2021 GMC Sierra 3500 Denali | $45,998 | 8 Great deals |
2020 GMC Sierra 3500 Denali | $38,995 | 13 Great deals |
2019 GMC Sierra 3500 Denali | $29,900 | 38 Good deals |
2018 GMC Sierra 3500 Denali | $26,500 | 24 Good deals |
2017 GMC Sierra 3500 Denali | $28,900 | 11 Good deals |
2016 GMC Sierra 3500 Denali | $24,250 | 5 Great deals |
About the 2015 GMC Sierra 3500 Denali
Base shown (base trim).
- Seating
- 2
- Door count
- 2
- Drivetrain
- Rear-wheel drive
- Combined MPG
- 0
- Transmission
- 6-Speed A/T
- Engine
- 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel)

How much does the 2015 GMC Sierra 3500 Denali cost?
The 2015 GMC Sierra 3500 Denali price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2015 Sierra 3500 Denali is $39,417, with pricing starting at $28,500.
What are some similar vehicles and competitors of the 2015 GMC Sierra 3500 Denali?
The 2015 GMC Sierra 3500 Denali compares to and/or competes against the following vehicles:
Is the 2015 GMC Sierra 3500 Denali reliable?
The 2015 GMC Sierra 3500 has an average reliability rating of 4.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2015 Sierra 3500 owners.
Is the 2015 GMC Sierra 3500 Denali a good truck?
Below are the Cars.com consumer ratings for the 2015 GMC Sierra 3500.
- Comfort 4.6
- Interior 4.7
- Performance 4.7
- Value 4.4
- Exterior 4.7
- Reliability 4.5
91% of drivers recommend this car
- Comfort 4.6
- Interior 4.7
- Performance 4.7
- Value 4.4
- Exterior 4.7
- Reliability 4.5
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
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