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Used
GMC Sierra 2500 trucks
for sale
near
Alpharetta, GA
under $799,961
- 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
2019 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
They are simply Magnificent, very good customer service,
They are simply Magnificent, very good customer service, when it comes to used cars, here is one of the places where to see and choose purchase options I have felt more confident with the service
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
2025 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
I recently purchased the 2023 Mercedes-Benz GLE 53 AMG,
I recently purchased the 2023 Mercedes-Benz GLE 53 AMG, and the entire experience has been nothing short of amazing. Not only is the vehicle a true standout in performance and luxury, but the team at ALM Roswell made the process seamless and enjoyable. The combination of the 2023 GLE 53 AMG's performance and luxury, paired with the outstanding service at ALM Roswell, made this an unforgettable experience. A heartfelt thank you to ALM Roswell for making it so easy to get behind the wheel of this incredible SUV. Highly recommended! Big thank you to Bri and Marquese Norman
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 Denali Ultimate
Vehicle information
Features
Reviews
Excellent customer CARE
This dealership went above and beyond to make things right. I bought a used car that malfunctioned 2 days later and they made it right..AWESOME CUSTOMER CARE
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
2024 GMC Sierra 2500 Denali Ultimate
Vehicle information
Features
Reviews
Robert was amazing to work with!
Robert was amazing to work with! He helped us find the right Mazda at the right price so we could buy here in Georgia instead of driving to Huntsville. He even arranged custom leather seats in the model I wanted and set me up with a loaner since my old car had been totaled. The whole process was smooth and stress-free — highly recommend Robert and this dealership!
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
2020 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Excellent personnel with professional and personable
Excellent personnel with professional and personable approach who want to work with you for your business. We visited twice and decided to go with Mazda Mall of Georgia after seeing the less than authentic and straightforward approach of other dealerships. Chris Myrick was patient and understanding as our circumstances changed and we needed to go with a used Mazda instead of a new one. Excited to make this our dealership of the future when I’m ready to trade for the upgrade. Excellent experience!
2020 GMC 2500 AT4
This truck is the truck that all others should look up to. It rides great, will tow a house, runs smooth, and gets great fuel economy. The Allison transmission is so smooth. The AT4 looks great too.






Used
2025 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
I had a great experience, everyone was friendly and
I had a great experience, everyone was friendly and helpful. I got the car I wanted despite being a first time buyer, with limited credit.






Used
2022 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
Car Purchase - Eddie
Recently purchased a truck with Eddie Martinez and had a good experience. Eddie was professional and honest throughout, and he was able to tell me a lot of the vehicle I wanted to purchase. Go see Eddie for your car needs!
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.






GMC Certified
2025 GMC Sierra 2500 AT4X
Vehicle information
Features
Reviews
Easy and fast tire install, will be back for future
Easy and fast tire install, will be back for future service needs.. Quick, Affordable, Balanced, Tires, Workmanship, Quality.. Aquaman was great to work with, Thanks again!






GMC Certified
2025 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Great dealership!
I have purchased a number of vehicles from John Thornton Chevrolet and one from John Thornton Cadillac/GMC and have had great experiences in every case. They are the only dealership I use for service for my Georgia based cars.






Used
2021 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
Benjamin and the sales manager was very helpful.
Benjamin and the sales manager was very helpful. They walk me through the process. Got me approved with very little down.
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
Reviews
CJ was a blessing for my wife and I.
CJ was a blessing for my wife and I. Helped us find the perfect car. We ran into an issue with one of the features before signing with finance and CJ went to bat for us to ensure we were taken care of. I’m not typically a dealership guy but I would come back to work with CJ again.
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!






GMC Certified
2024 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
Salesperson courteous friendly, very knowledgeable and
Salesperson courteous friendly, very knowledgeable and very helpful. Financing options explored to reach our budget goals. .






Used
2023 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
Pay attention what get in your hands paperwork throughly
Pay attention what get in your hands paperwork throughly read it carefully and see everything they put in it such extra extra cash that you didn’t say and extra money makes it go up higher that you can’t afford the extra payment.Now you see how much gap insurance $$$ added in the paperwork and makes sure you get a lawyer go with you when getting used filthy car full of dog hairs.Makes sure you have mechanic on hand too.They will sell you a car without license which is illegal.Don’t use no co-signer.Don’t use Ally financing on new or used vehicles.Even if you pay it off tell you getting gap refunds on mailing letter.they will keep it cause you don’t qualify for it.Keep up with all your paperwork in a file and payment history on papers like print out.Get your payment down as low as you can and 84 months is long ways to go.Do research how to save money on used or newer car without all that crazy extra add on.They’re trying make money of of you even on the elderly people.Have a great day everyone






Used
2024 GMC Sierra 2500 Denali Ultimate
Vehicle information
Features
Reviews
Great experience, the Range Rover Sport that I recently
Great experience, the Range Rover Sport that I recently purchased was just as described Cars.com. Roger was very professional and he answered all my questions and made the transaction easy and effortless. Great job! If your looking for a vehicle, to buy drive out to this dealership they have an impressive collection of quality inventory.






Used
2024 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
About two weeks ago, I found a Lexus RC 350 at CarGurus
About two weeks ago, I found a Lexus RC 350 at CarGurus and I stopped by for some window shopping and ran into Lou, who was helping another customer at the time. Even though the showroom was busy, He took the time to greet me and reassured me that someone would be with me shortly. That simple gesture really stood out and made me feel valued, even before I made a decision. After doing my research, I decided to return to ALM Marietta, and I'm so glad I did! I had the pleasure of working with Lou again, and I also had the chance to meet some fantastic folks in both the management and finance team.






Used
2025 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
The best seller, el mejor vendedor, excelente atención,
The best seller, el mejor vendedor, excelente atención, el deal estuvo increíble, muy feliz con el trato que nos proporcionó






Used
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Amazing attention from kenmanuel carrizales this is the
Amazing attention from kenmanuel carrizales this is the second truck than I get with him nice un clean thank you again






Used
2024 GMC Sierra 2500 Base
Vehicle information
Features
Reviews
Overall I was happy
The salesman I interacted with throughout the process, Stan, was awesome and worked hard to find the vehicle I wanted. I had a jeep wrangler 4door and wanted a 2 door. We got the deal done and while driving home I had some buyers remorse not because the car wasn’t what they said it was but because I was just a bit attached to the 4 door and didn’t know it. After being approved for financing, signing the papers and nearly getting home with the jeep, I turned around and went back telling them that I wanted my jeep back. The management there was super understanding and quickly accommodated me when they didn’t have to. I was very grateful for that. One negative thing I would say is that my trade in was worth more than the vehicle I was getting from them. When I arrived I was wanting some money to boot from them or at the very least trade them straight up but instead they came to me with a 6k balance that they eventually worked down to just below 3k. They talked me into financing 3k. I told Mike (the finance guy) I would likely be turned down because I pay cash for everything and he said my approval was guaranteed because “I had equity” which is directly telling me that my car was worth more than the one I was getting and yet there I was being talked into financing a balance. They coulda traded me straight up and still made money. I likely wouldn’t have brought their jeep back if they woulda done that. I don’t understand why they would force me to finance to get the car that’s worth less than mine. There was plenty of meat on the bone.






Used
2007 GMC Sierra 2500 SLT H/D Crew Cab
Vehicle information
Features
Reviews
great dealership
very professional nice cars to choose from highly recommend these guys are the dealership in used cars get at them great cars!Located in gwinnett go check em out
Best decision we made!
Love the comfort and performance of this truck! So far it's meeting all of our expectations. Gas mileage has been great so far as well.






Used
2025 GMC Sierra 2500 Denali
Vehicle information
Features
Reviews
Great service from Garry
I didn't end up buying the used car I was looking for, but wanted to leave a positive review for Garry, the salesperson who helped me, and the dealership as a whole. This is a nicely-appointed place, as you might expect from the high-end cars that they sell. Everyone was friendly and helpful and there was no high-pressure sales pitch. Ultimately I chose a different car at a different dealer, but I can't complain at all about these folks.
GMC Sierra 2500 prices by year
Model year | Average price | Deals |
---|---|---|
2026 GMC Sierra 2500 | $89,314 | |
2025 GMC Sierra 2500 | $81,759 | 8 Great deals |
2024 GMC Sierra 2500 | $77,995 | 9 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.
Used GMC Sierra 2500 by price
Compare the GMC Sierra 2500
GMC Sierra 2500 under $799,961 by city
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GMC Sierra 2500 under $799,961 in Alpharetta, GA
15 Great Deals out of 62 listings starting at $9,500
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GMC Sierra 2500 under $799,961 in Johns Creek, GA
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GMC Sierra 2500 under $799,961 in Roswell, GA
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GMC Sierra 2500 under $799,961 in Milton, GA
14 Great Deals out of 60 listings starting at $9,500
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GMC Sierra 2500 under $799,961 in Peachtree Corners, GA
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GMC Sierra 2500 under $799,961 in Berkeley Lake, GA
16 Great Deals out of 70 listings starting at $9,500
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GMC Sierra 2500 under $799,961 in Duluth, GA
14 Great Deals out of 68 listings starting at $9,500
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GMC Sierra 2500 under $799,961 in Dunwoody, GA
16 Great Deals out of 70 listings starting at $9,500
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GMC Sierra 2500 under $799,961 in Norcross, GA
15 Great Deals out of 70 listings starting at $9,500
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GMC Sierra 2500 under $799,961 in Sandy Springs, GA
16 Great Deals out of 70 listings starting at $9,500
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GMC Sierra 2500 under $799,961 in Doraville, GA
16 Great Deals out of 70 listings starting at $9,500
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GMC Sierra 2500 under $799,961 in Suwanee, GA
13 Great Deals out of 67 listings starting at $9,500
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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.