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Used
2021 GMC Sierra 1500 trucks
for sale
near
Gurnee, 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 SLT
Vehicle information
Features
Reviews
Hailey Monson was so kind and professional.
Hailey Monson was so kind and professional. She was very easy to work with over the phone and provided all of the information that I asked for!
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 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.
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 Base
Vehicle information
Features
Reviews
The dealership responded quickly via email.
The dealership responded quickly via email. Did not end up looking at the vehicle. Appreciate the quick response.
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
Michael did wonderful everything was done in a timely
Michael did wonderful everything was done in a timely manner, the service was outstanding. Would recommend to anyone looking for a dependable and trustworthy experience.
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 Elevation
Vehicle information
Features
Reviews
Very Happy
Went in to test drive a Mazda CX 7 and Mourice was the sales associate we worked with. He had the car ready to go for us. He was also very helpful and was the first salesman I have ever liked. He was extremely kind and caring. I would recommend this dealership and Mourice 100%.
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
Great place to buy a vehicle.
Great place to buy a vehicle. The staff is very friendly and the process was very easy






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
I really appreciate the straight-forward buying process I
I really appreciate the straight-forward buying process I found at Napleton Schaumburg GMC. Thank you to Yiannis for answering all my questions! Best- Mark






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
recently purchased a vehicle from Old Orchard Nissan, and
recently purchased a vehicle from Old Orchard Nissan, and I couldn’t be more satisfied with the entire experience. From the moment I walked in, the staff was welcoming, professional, and genuinely helpful — no pressure, just honest service. My salesperson, Jason Chu, was knowledgeable, patient, and took the time to answer all my questions. They helped me find the perfect car for my needs and made the process feel smooth and stress-free. The finance team also did a great job explaining everything clearly and worked to get me a great deal. The vehicle was clean, in excellent condition, and exactly as described. I truly appreciate the transparency, integrity, and care that went into every step of the process. Highly recommend Old Orchard Nissan to anyone looking for a reliable vehicle and top-notch customer service. I’ll definitely be back when it’s time for my next car!






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Engine light came on and lost A/C on my Acadia.
Engine light came on and lost A/C on my Acadia. Call service and dropped car off without an appointment. Next work day David called with estimate and car was done same day. Now that's Great service..






Vehicle information
Features
Reviews
Better way to car shop
We test drove a vehicle here and had a really great experience. The salesman, Tim, was phenomenal - very friendly and informative; I would highly recommend anyone ask for him if they visit! We were able to fully inspect the car, including getting it up onto a lift. The entire process was easy, low-pressure, and customer-focused. We ended up purchasing a different car from a dealership where we had a horrible buying experience, which has definitely convinced me that the CarMax sales model is absolutely the way to go. I will definitely be coming to CarMax first for my next purchase. This is just the better way to buy a car.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Juan was excellent to work with, we quickly agreed on a
Juan was excellent to work with, we quickly agreed on a price, the vehicle was cleaned and ready to go by the time the paperwork was complete. Highly recommend.






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
I was very pleased with the service and especially with
I was very pleased with the service and especially with Zach Martinez. He was very helpful and knowledgeable. A very good salesperson. Very happy with the service.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Buying a car is stressful overall but Mr.
Buying a car is stressful overall but Mr. Lee McGee made it an easy and fun experience this time around for me. He was very helpful, going above and beyond, trying to do what he can to make things easier for me. He has a lot of knowledge about vehicles and how to go about saving money! If you’re looking to buy a car at Boucher, Lee is your guy!






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Let me just start off by saying.
Let me just start off by saying.....I have never met a more patient man/salesman than MOSHI!!!! This was my first ever car buying experience at a dealership and the anxiety was real. But no one else I would have rather had as a product specialist, than Moshi. Words cannot even begin to express my appreciation for his services. He was very punctual, professional, transparent, understanding and genuinely made the entire experience as comfortable as possible. Not to mention, he's very knowledgeable when it comes to vehicle systems. As difficult as I was as a first-time buyer, I commend Moshi for patiently working with me on site of the dealership, for hours, without giving up until I was comfortable enough with signing and driving my car off the lot. His dedication truly paid off because I couldn't be happier with my purchase. I arrived pre-approved for a loan and left with a better rate after their finance dept. hooked it up. Even after my purchase, Moshi checked in to see how I was doing with my purchase. Truly cannot express how thankful I am to everyone at this dealership for taking the time to work with me and easing my anxiousness with the process. Seriously though, promote a brotha! Moshi was the best!! Highly recommend working with him if you're looking to buy your next vehicle! Thank you to everyone at this dealership for your efforts. I'm forever grateful for my Mazda CX-5!!






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
We just had a very positive and smooth interaction and
We just had a very positive and smooth interaction and used car purchase with Castle Chevrolet. We were shopping for a replacement Chevy Trax for my 86 year old mother in law and I found one on Castle's web site that was a perfect fit for her. I phoned the dealer to let them know we would be coming in. We were met by Jeff Vicari who handles our entire transaction and sale in a professional, courteous and respectful manner. My typical opinion of dealing with buying a car normally isn't very favorable but this experience was awesome. We did have a minor issue with the loan paperwork but it was our fault, I contacted Jerome Witt ( Sales Manager) who said he would fix the problem - low and behold, it was fixed within the hour. My thanks to both of these guys for making the transaction positive!






Used
2021 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Kris Kevorkian was such a great sales and got us a great
Kris Kevorkian was such a great sales and got us a great deal on a new car.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
M. Decker is a great Service Rep. very knowledgeable and
M. Decker is a great Service Rep. very knowledgeable and honest and keeps you informed of what is being done on your car and if anything needs to be fixed






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
My salesman Esad was great.
My salesman Esad was great. He was very knowledgeable. Everyone was very friendly and helpful.






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
very nice and comfortable
The salesman I met called Matt, he is very pro and patient. This dealership is a good place to buy the car, and I recommend people to come.

Used
2021 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Great service and people fast and easy buying process
Great service and people fast and easy buying process will recommend to other family and friends fun environment and provide coffee and water will be back for all my service needs and repairs
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Used
2021 GMC Sierra 1500 Denali
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Used
2021 GMC Sierra 1500 AT4
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Used
2021 GMC Sierra 1500 AT4
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Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2021 GMC Sierra 1500 SLE
Vehicle information
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Used
2021 GMC Sierra 1500 AT4
Vehicle information
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Used
2021 GMC Sierra 1500 AT4
Vehicle information
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Used
2021 GMC Sierra 1500 Denali
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Used
2021 GMC Sierra 1500 Elevation
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GMC Sierra 1500 prices by year
Model year | Prices from | Deals |
---|---|---|
2025 GMC Sierra 1500 | $35,744 | 1 Good deal |
2024 GMC Sierra 1500 | $36,250 | 34 Good deals |
2023 GMC Sierra 1500 | $39,972 | 29 Good deals |
2022 GMC Sierra 1500 | $33,488 | 21 Good deals |
2020 GMC Sierra 1500 | $25,336 | 11 Good deals |
2019 GMC Sierra 1500 | $19,999 | 5 Good deals |
2018 GMC Sierra 1500 | $18,995 | 7 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 $39,500, with pricing starting at $16,494.
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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Used 2021 GMC Sierra 1500 by body style
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