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Used
2021 GMC Sierra 1500 trucks
for sale
near
Gresham Park, 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 AT4
Vehicle information
Features
Reviews
The automated system is annoying but the sales staff were
The automated system is annoying but the sales staff were great! Shout out to Kenneth and Abe
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.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Richard Smith
Richard Smith is a great Service Advisor. He is very professional and takes great care of the service on my Ford Explorer. He keeps me informed on present or future service that is needed to keep my vehicle in great condition. My appointments are always timely. He is awesome....the very best!
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 Elevation
Vehicle information
Features
Reviews
bought my car
here at Gravity you are in good hands. rest assured you will drive home with your new vehicle . adam in sales is who you should look for indeed
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.






Certified
2021 GMC Sierra 1500 AT4
Vehicle information
Reviews
Customer
I just had the best car purchase experience ever at Hardy Family Ford. Paul McGee made my purchase process easy and I would highly recommend working with Paul. Thank you for making a “could be” stressful day completely stress free!
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
Best dealership hands down.
Best dealership hands down. Brandon assisted me all the way through the process. They had the my dream car and help me get it with no problems. I went three other dealers first and they all tried to take advantage of me! I would recommend these guys for everybody?
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 AT4
Vehicle information
Features
Reviews
Nice people and great explanations through the process.
Nice people and great explanations through the process. Very patient and understanding which helped finalize the deal.






Used
2021 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Sold my car
I brought in my Kia Optima for an appraisal. I was greeted immediately and the process began. I had an offer within 30 min. in which I accepted. Very confident and professional staff!






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Very helpful, eager to help me find a car for my needs .
Very helpful, eager to help me find a car for my needs . Prompt and knowledgeable






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Had a great experience
Ollie was amazing he took care of my needs and help me to buy my dream car for my family. I will continue to do business with him and bring business to there company 5 stars all around great job .






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
I recently purchased the 2023 Mercedes-Benz GLE 53 AMG,
I recently purchased the 2023 Mercedes-Benz GLE 53 AMG, and the entire experience has been nothing short of amazing. Not only is the vehicle a true standout in performance and luxury, but the team at ALM Roswell made the process seamless and enjoyable. The combination of the 2023 GLE 53 AMG's performance and luxury, paired with the outstanding service at ALM Roswell, made this an unforgettable experience. A heartfelt thank you to ALM Roswell for making it so easy to get behind the wheel of this incredible SUV. Highly recommended! Big thank you to Bri and Marquese Norman






Vehicle information
Features
Reviews
Great learning experience
I worked with Brett and Daniel. They both were extremely helpful and informative. Although I did not end up purchasing a vehicle here, they were professional and genuinely wanted to help me find what was best for me. Highly recommend this dealership.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
I received EXCELLENT SERVICE when I walked into ALM Kia
I received EXCELLENT SERVICE when I walked into ALM Kia South on January 2nd. Kerry (Stan) Ellerbe, my Sales Agent is an Amazing guy. He walked me through the process with skill, knowledge, and patience. He made my experience an easy one. I drove off the lot with a brand new 2025 Kia Soul. I will definitely be purchasing my next "New" car from ALM Kia South. Thank You and God Bless all of you.






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
In-and-out, fast service & NO stress... THANK YOU!
I went to Carmax on 4th of July. The place was not super packed, so that was great. We had a little 9th month old on tow, and were nervous that it would take us all day to shop. The only thing that took a lot of time was waiting for a sales man. Apparently, the new young guys at the front were more interested in flirting (yes flirting) with each other and playing around than realizing that we needed help or just plainly asking us if we were being helped. That really bothered me, as we wasted 30 mins just sitting dumb. The front desk girl was no help.. she was the one to tell us to sit and wait and then no where to be seen. Finally someone professional and extremely courteous walked by ... the service manager. He quickly apologized for our wait, and brought along Daniel Claudio. I am SOOOOOOOOOOOooooO thankful he did. Danny was professional, kind, humble, hard-working, and just all the way a pleasure to work with. He represented Carmax the way it should be. He took the details of what we were looking for and walked us around to cars that would fit our needs. The second car (nissan pathfinder) was a recommendation from him... and that was the car we bought. Danny if you're reading this... THANK YOU! You're such a great employee and that deserves recognition.






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Come on down if you need a ride
Cherokee Auto is a good place to get a car you want one I suggest you come here they're the best and he goes out of his way to make sure ur satisfied......






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Love my 2020 Mazda CX5 Grand Touring
Great experience with Hennessy of Southlake. Frank Parker was awesome and represented the dealership well. I flew in from Memphis, was picked up from the airport and everything about the car was as represented online.






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Customer Service was amazing and I will return.
Customer Service was amazing and I will return. Very professional staff and kept you informed of the progress of your vehicle.






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Car Service
I was very pleased with the service department. Everyone was very helpful and professional. I went there a long time ago and decided to go back. I am glad that I did! I will also recommend them to others. Mr. Golden was very nice and helpful!
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GMC Sierra 1500 prices by year
Model year | Prices from | Deals |
---|---|---|
2025 GMC Sierra 1500 | $34,635 | |
2024 GMC Sierra 1500 | $42,764 | 6 Great deals |
2023 GMC Sierra 1500 | $31,920 | 25 Good deals |
2022 GMC Sierra 1500 | $25,595 | 18 Good deals |
About the 2021 GMC Sierra 1500
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 cost?
The 2021 GMC Sierra 1500 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Sierra 1500 is $39,696, with pricing starting at $18,950.
What is the MPG of the 2021 GMC Sierra 1500?
The 2021 GMC Sierra 1500 offers up to 14 MPG in city driving and 19 MPG on the highway for a combined rating of 16 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 trim, driving conditions, driving habits, vehicle maintenance, and other factors.
Is the 2021 GMC Sierra 1500 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 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
AT4 (2 styles)
Style | |
---|---|
4WD Crew Cab 157" AT4 | 4WD Crew Cab 147" AT4 |
Inventory price | |
Starting at $55,900 | Starting at $54,700 |
Combined MPG | |
16 | 17 |
Engine | |
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) |
Base (7 styles)
Style | ||||||
---|---|---|---|---|---|---|
4WD Double Cab 147" | 2WD Double Cab 147" | 2WD Crew Cab 147" | 4WD Crew Cab 147" | 4WD Crew Cab 157" | 4WD Reg Cab 140" | 2WD Reg Cab 140" |
Inventory price | ||||||
Starting at $37,300 | Starting at $34,000 | Starting at $36,400 | Starting at $39,700 | Starting at $40,000 | Starting at $34,700 | Starting at $30,100 |
Combined MPG | ||||||
19 | 21 | 21 | 19 | 19 | 16 | 16 |
Engine | ||||||
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) |
Denali (3 styles)
Style | ||
---|---|---|
2WD Crew Cab 147" Denali | 4WD Crew Cab 147" Denali | 4WD Crew Cab 157" Denali |
Inventory price | ||
Starting at $55,800 | Starting at $59,300 | Starting at $59,600 |
Combined MPG | ||
17 | 18 | 18 |
Engine | ||
355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) |
Elevation (7 styles)
Style | ||||||
---|---|---|---|---|---|---|
4WD Double Cab 147" Elevation w/3VL | 4WD Crew Cab 147" Elevation w/3VL | 4WD Crew Cab 157" Elevation | 2WD Double Cab 147" Elevation | 4WD Double Cab 147" Elevation w/3SB | 4WD Crew Cab 147" Elevation w/3SB | 2WD Crew Cab 147" Elevation |
Inventory price | ||||||
Starting at $44,600 | Starting at $47,200 | Starting at $49,300 | Starting at $43,100 | Starting at $46,400 | Starting at $49,000 | Starting at $45,700 |
Combined MPG | ||||||
19 | 19 | 19 | 21 | 19 | 19 | 21 |
Engine | ||||||
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) |
SLE (5 styles)
Style | ||||
---|---|---|---|---|
4WD Crew Cab 147" SLE | 4WD Crew Cab 157" SLE | 2WD Double Cab 147" SLE | 2WD Crew Cab 147" SLE | 4WD Double Cab 147" SLE |
Inventory price | ||||
Starting at $47,100 | Starting at $47,400 | Starting at $41,400 | Starting at $43,800 | Starting at $44,700 |
Combined MPG | ||||
19 | 19 | 21 | 21 | 19 |
Engine | ||||
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) |
SLT (3 styles)
Style | ||
---|---|---|
4WD Crew Cab 147" SLT | 2WD Crew Cab 147" SLT | 4WD Crew Cab 157" SLT |
Inventory price | ||
Starting at $50,800 | Starting at $47,500 | Starting at $51,100 |
Combined MPG | ||
18 | 17 | 18 |
Engine | ||
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) |
*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.
Research the 2021 GMC Sierra 1500
Compare the 2021 GMC Sierra 1500
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5 Great Deals out of 24 listings starting at $34,920
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6 Great Deals out of 28 listings starting at $32,995
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