Save your search and get notified when new inventory arrives.
Contact seller
Customize your budget
*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.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
About your privacy: Cars.com is asking for your ZIP and credit rating because it helps us to make an educated guess at your sales tax and loan interest. These two factors can greatly change your monthly payment.
Used
2021 GMC Sierra 1500 Denali trucks
for sale
near
Woodstock, GA
- 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.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
This truck has a jerk when changing gears sometimes.
This truck has a jerk when changing gears sometimes. I enjoy the truck overall easy to handle and comfortable. Drive with ease sight is good when driving.






Vehicle information
Features
Reviews
Amazing experience!
Amazing experience! Axautos made car buying stress-free and enjoyable. The team was attentive and answered all my questions with patience and expertise. I drove away with a fantastic car at a great price. Highly recommend!
Brake Pad Monitor
2021 GMC sierra 1500, 5.3, crew cab 4x4, 21000 miles. brakepad monitor lites up. dealership says needs brakes and rotors in back. one mo. on warranty. our rural roads dirty up the monitor. Needs new monitor. brakes look great to me. No noises. dealer says parts on order GM strike. Can't replace myself cause of computer...






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Nicest, best performing truck I've ever owned
My truck has a great appearance, inside and out. It is a pleasure to drive; and rides and performs great. It is the best truck I've ever owned.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Excellent dealership
Very satisfied, help my family get vehicle we needed at the price and payment we wanted. Worked with me even with my not perfect credit.
2021 GMC Sierra Denali
This is the nicest truck I have ever owned. Lots of features. Takes a while to learn what all it does but a really enjoyable vehicle.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Great Buy!
This truck is amazing. Turning heads all over as we tour the area. Those riding with is also enjoy the comforts and safety features. Great Buy!

Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
There are 20 matching cars close to your year range.






Used
2020 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2019 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2022 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2022 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2020 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2020 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2020 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2022 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2020 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2019 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2022 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2020 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2022 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2023 GMC Sierra 1500 Denali
Vehicle information
Features
-
Prev - 1
-
Next
GMC Sierra 1500 prices by year
Model year | Prices from | Deals |
---|---|---|
2025 GMC Sierra 1500 Denali | $66,500 | 1 Good deal |
About the 2021 GMC Sierra 1500 Denali
Base shown (base trim).
- Seating
- 3
- Door count
- 2
- Drivetrain
- Rear-wheel drive
- Combined MPG
- 16
- Transmission
- 6-Speed A/T
- Engine
- 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)
How much does the 2021 GMC Sierra 1500 Denali cost?
The 2021 GMC Sierra 1500 Denali price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Sierra 1500 Denali is $42,758, with pricing starting at $28,443.
What is the MPG of the 2021 GMC Sierra 1500 Denali?
The 2021 GMC Sierra 1500 Denali offers up to 18 MPG in city driving and 21 MPG on the highway for a combined rating of 19 MPG.
These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle options, driving conditions, driving habits, vehicle maintenance, and other factors.
What are some similar vehicles and competitors of the 2021 GMC Sierra 1500 Denali?
The 2021 GMC Sierra 1500 Denali compares to and/or competes against the following vehicles:
Is the 2021 GMC Sierra 1500 Denali reliable?
The 2021 GMC Sierra 1500 has an average reliability rating of 3.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Sierra 1500 owners.
Is the 2021 GMC Sierra 1500 Denali a good truck?
Below are the Cars.com consumer ratings for the 2021 GMC Sierra 1500.
- Comfort 4.2
- Interior 4.2
- Performance 3.8
- Value 3.6
- Exterior 4.3
- Reliability 3.5
60% of drivers recommend this car
- Comfort 4.2
- Interior 4.2
- Performance 3.8
- Value 3.6
- Exterior 4.3
- Reliability 3.5
*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.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
- ${price_badge()}
- ${ami_badge()}
- ${battery_badge()}${ev_report_link()}
- ${hot_car_badge()}
- ${award_badge()}
- ${cpo_badge()}
${price_badge_description}
${ami_badge_description}
The EV Battery Rating is based on this vehicle's current expected range relative to the vehicles expected range when new. ${battery_badge_text}
Certified cars are manufacturer warrantied and typically go through a rigorous multi-point inspection.
This car is likely to sell soon based on the price, features, and condition.
${award_blurb}
${award_two_blurb}