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*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.
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Used
GMC Sierra 2500 trucks
for sale
near
Killingly, 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
2022 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Had a great experience with Devin in the service
Had a great experience with Devin in the service department! Super knowledgeable and friendly. Appreciate the great service!
Great Truck
I paid over $106,000 for this truck with warranty. Do not care much about miles per gal. at that that price range. Just too much truck for me at my age.






Used
2023 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
Great old fashioned way of doing business.
Great old fashioned way of doing business. Professional, smooth, non-rushed atmosphere. Mr. Paul Macchi is a great, concientious employee. I thank him for his courtesies and cordiality.






Used
2023 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Ac leak repair
Great service as usual. The tasca team is awesome to work with.






Used
2024 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
Great experience with our salesman Bayo.
Great experience with our salesman Bayo. No pressure, patient as we looked at all lot of vehicles on the lot. Once we selected the CX-50 Hybrid we liked, test drove, sat with Bayo to discuss. Finance rep joined in to assist with the sale & we were very pleased with the info he presented to us. The closing on the purchase was no pressure. Overall experience was excellent.
One very awesome vehicle.
One very awesome vehicle. Checks all the boxes you need in a truck and exceeds expectations on quality, performance, and looks great ,too. Love my nre truck.






Used
2019 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
Super knowledgeable and trustworthy team
Salesmen are extremely knowledgeable and buying was breeze. They helped me through every step and answered any questions I had about the process. Definitely recommend!
2019 GMC 2500 Denali Excellent Condition
Wonderful truck. Has had zero problems. I am trading for a new one. Truck is all original with no modifications. Truck is in excellent condition.






Used
2013 GMC Sierra 2500 SLE
Vehicle information
Features
Reviews
Good Company
Frenchtown Auto is a nice place to buy a car. The cars look good and drive nice. They offer options and will work with you on the price and any additions that you want to purchase. You have to stay on top of them with follow up and stay on them. If you follow up and its unpreparied call they can get a bit short, the owner is very nice. I had to take my car there after buying it with a problem and they fixed all the problems that the car had. They were very nice, but follow up is difficult.
The best deal 4me my dream truck it's mine if poss
I want this truck if I can't get help with finances I'll try againfri and ill have cash. I want it 100percent I've only dreamed of owning a truck like this and now if the Good Lord willing and the creek don't rise.a dream might come true.,!!!!!! I love everything about this ride.just rite for the open road.






Used
2022 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
It cost a lot to get the car repaired.
It cost a lot to get the car repaired.. overall dealership is good but every six months I need to spend $300 on service? it?s very costly to afford a car.
Great Truck (sans MPG)
Love everything about this Duramax Denali except the fuel mileage. 13-14 Mpg tops when not towing. Bought truck cause previous was stolen. Wish I still had my 6.2 High Country!






Used
2025 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
I got an unsuspected flat tire on a Monday morning on my
I got an unsuspected flat tire on a Monday morning on my way to work-Dominic, the service advisor got me in and out of the dealership within 90 minutes 🥲 thank you so much for helping me
So far so good!
So far so good! This truck is the nicest truck I have ever driven. The stance, ride comfort and options are top notch. I went from a 2023 High Country that was having drive train issues but had all the creature comforts that you would expect in a top of the line truck. With the lack of confidence in that particular models 10 speed transmission issues, it became necessary to reestablish my confidence in my General Motors product.






Used
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Sales process was very easy and quick.
Sales process was very easy and quick. Sales, financing and service/parts department were all knowledgeable and helpful.
Best truck I have owned
I've owned every other American truck and this is my first GMC. I bought the 2500 HD Texas Edition. I absolutely love this truck. It's everything I could have hoped for and more. It is able to pull my 30' travel trailer with no problems. So now when we go out with our trailer I'll have no worries. The look and feel of the truck is outstanding. The 6.6L gas engine actually gets great gas mileage. It gets about the same as my Ford f150 ecoboost. Probably better on the highway. Looking at about 13 miles in the city and 15 plus on the highway. Definitely got a better truck for the price compared to any other american models with the same characteristic and options.






Used
2014 GMC Sierra 2500 SLT
Vehicle information
Features
Reviews
Happy Customer
I drove to Crown Buick GMC after making an appointment with Tammy Wagner. She was a new sales person. Tammy is very patient. She enjoys people and made me feel comfortable. I had alot of questions about my new All Terrain Truck. When she didn't know the answer- she was honest. (thats important to me) They , Tammy Wagner and Mike Mathis her manager sold me the truck of my dreams. I plan to be a life long customer with Tammy Wagner at Crown Buick






Used
2022 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
2019 GMC Terrain Service
I delivered my Terrain to the service department and waited in the lounge. When the service was completed I paid with my GM credit card. The service department delivered my vehichle after it had been washed.






GMC Certified
2022 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
National part backorder
Due to a national backorder of a part my truck took over 120 days to return. Gates GMC did inform me thru the process






Used
2024 GMC Sierra 2500 SLE
Vehicle information
Features
Reviews
Car looked better than new after repairs
An amazing experience with the service department and collision center at this dealership after my car was damaged by a fallen tree. The process right from the beginning was flawless. Getting the car to the dealership, getting the rental car, the time it took to get the parts and do the repairs was quicker than expected. The ease and efficiency of the repairs and the quality and timeliness makes Gates GMC. Jamie Laskow and his team get 4 stars from me! I will definitely recommend your dealership in the future.






Used
2022 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Very Good Experience
I had a very good experience buying a new Outlander from Courtesy last week. This was my first experience dealing with them. Salesman Kyle and the finance guys were easy to deal with; everybody was upfront and honest. I would definitely buy from them again.






Used
2023 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
I recently purchased a used vehicle from Imperial.
I recently purchased a used vehicle from Imperial. the salesman Gabriel Borrero was amazing. I told him my finance limit and he did not try to sell me a vehicle I could not afford. Ahmad Al-jallad worked for 2 days to get me financing with my low credit score. They will be my go to dealership from now on.






GMC Certified
2021 GMC Sierra 2500 SLT
Vehicle information
Features
Reviews
A great car buying experience!
A great car buying experience! Ali Abdalla went above and beyond by being attentive to my needs and answering all my questions thoroughly without any pressure! Great car buying experience!!
Beautiful truck
I love my 2021 GMC Denali 2500HD. I have gotten more complements on this truck than any other vehicle that I have owned. I get great highway fuel milage average 19-26mpg,which is great for a heavy duty truck!






Used
2022 GMC Sierra 2500 AT4
Vehicle information
Features






Used
2024 GMC Sierra 2500 Denali
Vehicle information
Features






Used
2025 GMC Sierra 2500 AT4
Vehicle information
Features






Used
2022 GMC Sierra 2500 SLT
Vehicle information
Features
Reviews
Ive been in the car business for almost 18 years now and
Ive been in the car business for almost 18 years now and today I had one of the easiest, seamless, and outright outstanding experiences with my sales consultant Nick Cardillo, and General Manager Miles Bedford. I came from out of state to make the deal, and Im a bit particular with how I like my vehicle delivered so I gave Nick a task list before I got there to make it quicker and easier on him at the end of the month and he hit it out of the park. I was in and out in less than 1 hour with my new Hummer EV. He even made a special trip on his day off to make everything was perfect for me. Customer focused service is so rare nowadays and I am so thankful for the Tasca teams commitment to that. Bravo and much success in the future! I appreciate you all.
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GMC Sierra 2500 prices by year
Model year | Prices from | Deals |
---|---|---|
2026 GMC Sierra 2500 | $57,060 | |
2025 GMC Sierra 2500 | $52,935 | 1 Good deal |
About the GMC Sierra 2500
How much does the GMC Sierra 2500 cost?
The GMC Sierra 2500 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for the Sierra 2500 is $55,529, with pricing starting at $1,900.
What are some similar vehicles and competitors of the GMC Sierra 2500?
The GMC Sierra 2500 compares to and/or competes against the following vehicles:
What trim levels are available for the GMC Sierra 2500?
The GMC Sierra 2500 is available in the following trim levels:
What model years are available for the GMC Sierra 2500?
Available model years for GMC Sierra 2500 inventory range from 2013 to 2026.
*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 GMC Sierra 2500 by price
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Used GMC Sierra 2500 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.