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Used
2021 GMC Sierra 1500 trucks
for sale
near
Farmington, CT
- 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 SLE
Vehicle information
Features
Reviews
I didn’t end up buying a car from here, but Dan was a
I didn’t end up buying a car from here, but Dan was a pleasure to work with and very professional. Very comfortable at atmosphere.
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 Elevation
Vehicle information
Features
Reviews
Was contacted by Zach from Waterbury dealership.
Was contacted by Zach from Waterbury dealership. Right off the bat I felt like he understood my needs and wanted to work a fair deal for the sale of my truck. We got it done and myself into new Colorado. Staff was very helpful and patient. I would recommend this dealership team to anyone. Thanks!!
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 AT4
Vehicle information
Features
Reviews
Best Car Shopping Expereince!
I just picked up my new car at CarMax of Hartford and, I have to say, this was the best car-buying experience I have ever had. I had found a Ford Explorer that I wanted to see on their lot. I put a hold on the vehicle on their website, very early in the morning. By 9am the same morning, I was contacted by Rocco Toce, the most awesome sales person around. I have bought many vehicles through the years and he is the top of the list! We went to look at the truck and he had it clean and ready for us to test drive. We loved the truck but it just didn’t have all the options that we were looking for. I found the exact Explorer we wanted in New York and Rocco jumped right in to help us transfer the vehicle to Hartford. I have to admit, it IS a leap of faith to pay the transfer fee upfront before even seeing the vehicle in person. Rocco jumped in and took over. He spoke to the other CarMax and had them check every part of the vehicle out. I felt very comfortable after he called and told me the truck sounds good. My Explorer made it to Hartford very quickly and Rocco immediately checked it out and let us know it was perfect! I went to see it yesterday. It was beautiful and in the best shape. Rocco took us through the entire car and never rushed us through anything. He sent our Explorer to detailing while my 2009 Silverado was appraised. I received a fair price for my trade and the deal was smooth and handled professionally by the staff. I’m pretty sure I have not had a better car buying experience. Rocco and the team at Hartford CarMax could not have done more to make our experience the best. I did a ton of research about CarMax like I’m sure everyone does. I drove over an hour to work with them and I am so glad I did. We walked out of there with a great, shiny Ford Explorer and the greatest car buying 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 SLE
Vehicle information
Features
Reviews
Most painless car buying experience i have ever had.
Most painless car buying experience i have ever had. My salesman, Dave, greeted me even before the dealership was officially open. He had a laid back attitude and didn't come off overbearing or high pressure. From beginning to end the process took less then 2 hrs including one of the best detail jobs I have seen. Will recommend to anyone looking for a preowned vehicle.
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.
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Used
2021 GMC Sierra 1500 Elevation
Vehicle information
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Used
2021 GMC Sierra 1500 Elevation
Vehicle information
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Used
2021 GMC Sierra 1500 Denali
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Used
2021 GMC Sierra 1500 Elevation
Vehicle information
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Vehicle information
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GMC Certified
2021 GMC Sierra 1500 Elevation
Vehicle information
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Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features






GMC Certified
2021 GMC Sierra 1500 AT4
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GMC Sierra 1500 prices by year
Model year | Average price | Deals |
---|---|---|
2026 GMC Sierra 1500 | $65,250 | |
2025 GMC Sierra 1500 | $48,805 | |
2024 GMC Sierra 1500 | $50,277 | 8 Good deals |
2023 GMC Sierra 1500 | $49,688 | 25 Good deals |
2022 GMC Sierra 1500 | $41,714 | 11 Good deals |
2019 GMC Sierra 1500 | $32,659 | 4 Good 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.
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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.