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Used
2021 GMC Sierra 1500 trucks
for sale
near
Elgin, IL
- 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
Chris does an outstanding job every time I visit.
Chris does an outstanding job every time I visit. He is very accommodating and always aware of my needs and my time. Only place I service all my vehicles (3) and drive 30 minutes even though there are 2 Chevy dealers much closer.
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
I had an amazing experience working with my salesman
I had an amazing experience working with my salesman Antoni. He guided me and my family to the best car that suited us. He makes the car buying process super easy and smooth. The car was also a very good price too!
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
The dealership had a great selection of quality used
The dealership had a great selection of quality used cars, all well-maintained and reasonably priced. I appreciated their transparency and honesty throughout the process, including providing detailed vehicle history reports. The financing process was also seamless, offering several options and explaining everything clearly. I left feeling confident and satisfied with my purchase. Overall, I highly recommend Affinity Auto Sales to anyone looking for a reliable used car and a pleasant buying experience. Thank you to the entire team for making this such a positive experience!
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 Elevation
Vehicle information
Features
Reviews
Although I didn’t end up making a deal with them, as I am
Although I didn’t end up making a deal with them, as I am to far upside down in my current car. I will say they were very nice to deal with, salesman I worked with was great, not overly pushy. Overall they were pretty fair and I would recommend them for a new car.
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
I went in order to get a used electric car, and got a
I went in order to get a used electric car, and got a very nice one for a good price. They were willing to lower the price for me and remove several fees. Thank you, Steve!
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 Elevation
Vehicle information
Features
Reviews
Al Piemonte Chevy
I only visit this dealership because Carlos is working in the service center. He is always great. He takes care of my vehicle quickly and I can always trust that my vehicle is fixed right.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features






GMC Certified
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Service
Made a online appointment came in and they did a oil change and tire rotation. Happy with the service.






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Alex Alverio
Alex is the man to see he knows his vehicles. Easy to talk to great customer service, he finds the vehicle you need. Alex help us in every aspect. Would highly recommend this dealership and recommend you all to see Alex.






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Great experience and no pressure from sales team.
Great experience and no pressure from sales team. Working with John Marcus made the purchase of the vehicle and easy process.






GMC Certified
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
I worked with Sabrina S.
I worked with Sabrina S. She made the entire process seamless and comfortable. I never felt pressured or haggled at any point. Thank you to Woody, and thank you, Sabrina.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
I had a great experience at Old Orchard Nissan.
I had a great experience at Old Orchard Nissan. Antoni was very knowledgeable and helped me and my family with new Nissan rogue. Couldn't be happier with my purchase. I also get a better deal than i expected. Will be telling my friends and family about Antoni.






GMC Certified
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Worked with Brian again and had a smooth and great
Worked with Brian again and had a smooth and great experience. I highly recommend this dealership and Brian.






Vehicle information
Features
Reviews
My Wife and I went into Huntley Ford, we met with Joon he
My Wife and I went into Huntley Ford, we met with Joon he made us a great deal on a Bronco and got us in and out Quickly. Will go back to buy another Ford their.






Vehicle information
Features
Reviews
They were nice enough and willing to deal some.
They were nice enough and willing to deal some. They told me that they were going to mail me some touch up paint but I have not seen it?? They did have the windshield replaced like the said they would.






Used
2021 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Excellent Service and Response
Thank you for getting my cehicle repairs done and workinf so hard to het me out of there to get to where I needed to go.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Great experience!
Great experience! Minimal hassle with price. The salesman was awesome! The vehicle I bought was in an excellent condition.






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
“Excellent Communication
My first experience at this dealership will definitely bring me back. We are so happy with our purchased! We had Alex Alverio from Sales, he was very professional & helpful, has awesome customer service & we highly recommend Alex. Thank you so much and keep it up!






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Jose is the best i have bought multiple cars from him in
Jose is the best i have bought multiple cars from him in the past years. when you get here make sure you ask for him.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Battery
Todd was very helpful and made sure my car was pulled inside when leaving as it was very slippery outside
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GMC Sierra 1500 prices by year
Model year | Prices from | Deals |
---|---|---|
2026 GMC Sierra 1500 | $45,350 | |
2025 GMC Sierra 1500 | $35,000 | 3 Good deals |
2024 GMC Sierra 1500 | $35,000 | 5 Great deals |
2023 GMC Sierra 1500 | $28,999 | 30 Good deals |
2022 GMC Sierra 1500 | $33,000 | 6 Great deals |
2020 GMC Sierra 1500 | $25,775 | 19 Good deals |
2019 GMC Sierra 1500 | $22,950 | 10 Good deals |
2017 GMC Sierra 1500 | $17,999 | 6 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 $38,213, with pricing starting at $13,980.
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.
What are some similar vehicles and competitors of the 2021 GMC Sierra 1500?
The 2021 GMC Sierra 1500 compares to and/or competes against the following vehicles:
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.
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2021 GMC Sierra 1500 by body style
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This vehicle is certified pre-owned, backed by a manufacturer warranty, and typically undergoes a rigorous multi-point inspection to ensure quality and reliability.
This vehicle is currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.