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 trucks
for sale
near
Flossmoor, 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.






GMC Certified
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Haggerty is great place to buy & service your car
From originally purchasing my car at Haggerty to having my car serviced at Haggerty, my experiences have all been positive. Everyone is friendly and answers all of my questions. Work is done well and on time.
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
Service rep was ?
Service rep was ?on the ball? Understood my request and my lack of correct nomenclature
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 SLT
Vehicle information
Features
Reviews
Service
Always excellent. Polite,helpful answer any questions
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 AT4
Vehicle information
Features
Reviews
Thanks Dralle Chevrolet
I just want to thank Kevin Dralle, Greg Dralle Jr. and Andy up at Dralle Chevrolet in Peotone. You guys always go above and beyond! I can not say enough good things about the guys up at Dralle Chevrolet. I now own my dream C8 thanks to you and your team! I can't thank you enough.
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
This dealership is amazing!
This dealership is amazing! No high pressure sales tactics, no last minute add-ons to the price. Great follow up after purchase to ensure we were completely satisfied with our purchase. Service went above and beyond expectations.
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 Base
Vehicle information
Features
Reviews
Good customer service, very polite, nice vehicle.
Good customer service, very polite, nice vehicle. A very clean establishment. I would recommend this company. I hope nothing does not change my mind.






Certified
2021 GMC Sierra 1500 AT4
Vehicle information
Reviews
First time bringing my truck in , even though I didn’t
First time bringing my truck in , even though I didn’t buy my Raptor at this dealership, I wouldn’t hesitate using this place again. Very fast and professional, and they had my car running like new in less than 24 hours.
Vehicle information
Features
Reviews
I had a great experience.
I had a great experience. I purchased a car at my second visit. On my first visit Luke the manager was very kind. We decided to return because our impression of Luke. Herman was the sales representative. He was very knowledgeable.
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
What a great experience at D?
What a great experience at D? Arcy Buick Dealership in Joliet IL. The staff was friendly, honest, and made the whole process easy. Ray our salesperson went above and beyond. I love my new Envision Sport and would definitely recommend D?Arcy Buick and ask for Ray!!

Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Brian did a fantastic job throughout the entire process.
Brian did a fantastic job throughout the entire process. He was very knowledgeable about all the different features the vehicle and took the time to make sure we knew how to use them. Lisa in the finance department really knows her job and works with you every step of the process to get you in and out as quickly as possible.
There are additional matching cars outside your search area.
Partial matches are generated by applying your search criteria to a larger search area. Our goal is to help you discover additional cars that match your search preferences.
As a benefit to some of our dealer customers, we display their listings first.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features






GMC Certified
2021 GMC Sierra 1500 Elevation
Vehicle information
Features






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
-
Prev - 1
- 2
-
Next
GMC Sierra 1500 prices by year
Model year | Prices from | Deals |
---|---|---|
2026 GMC Sierra 1500 | $43,376 | |
2025 GMC Sierra 1500 | $36,956 | 3 Good deals |
2024 GMC Sierra 1500 | $37,997 | 20 Good deals |
2023 GMC Sierra 1500 | $37,998 | 5 Great deals |
2022 GMC Sierra 1500 | $34,000 | 8 Good deals |
2020 GMC Sierra 1500 | $29,990 | 8 Good deals |
2019 GMC Sierra 1500 | $28,875 | 5 Good deals |
2017 GMC Sierra 1500 | $7,988 | 5 Great deals |
*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.
Similar Cars
-
Chevrolet Silverado 1500 for sale
7 Great Deals out of 31 listings starting at $26,047
-
Ford F-150 for sale
5 Great Deals out of 43 listings starting at $16,795
Research the 2021 GMC Sierra 1500
Compare the 2021 GMC Sierra 1500
2021 GMC Sierra 1500 by city
-
2021 GMC Sierra 1500 in Flossmoor, IL
2 Great Deals out of 30 listings starting at $18,950
-
2021 GMC Sierra 1500 in Olympia Fields, IL
1 Great Deal out of 28 listings starting at $18,950
-
2021 GMC Sierra 1500 in Homewood, IL
3 Great Deals out of 34 listings starting at $18,950
-
2021 GMC Sierra 1500 in Hazel Crest, IL
3 Great Deals out of 39 listings starting at $18,950
-
2021 GMC Sierra 1500 in Country Club Hills, IL
3 Great Deals out of 39 listings starting at $18,950
-
2021 GMC Sierra 1500 in East Hazel Crest, IL
3 Great Deals out of 33 listings starting at $18,950
-
2021 GMC Sierra 1500 in Chicago Heights, IL
1 Great Deal out of 25 listings starting at $18,950
-
2021 GMC Sierra 1500 in Matteson, IL
1 Great Deal out of 33 listings starting at $18,950
-
2021 GMC Sierra 1500 in Glenwood, IL
2 Great Deals out of 30 listings starting at $18,950
-
2021 GMC Sierra 1500 in Park Forest, IL
1 Great Deal out of 25 listings starting at $18,950
-
2021 GMC Sierra 1500 in Thornton, IL
2 Great Deals out of 29 listings starting at $18,950
-
2021 GMC Sierra 1500 in Markham, IL
3 Great Deals out of 38 listings starting at $18,950
2021 GMC Sierra 1500 by body style
- ${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}
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.