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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 AT4
for sale
near
Sappington, MO
- 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
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Amazing technician
The technician was amazing gave me updates along the way I will definitely come back because of him
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
2025 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Rick was awesome!
Rick was awesome!! Fast, friendly and would recommend buying a vehicle from Rick Valenti. Call them!!
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
2022 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Daryl Hercules
Service Advisor, Kevin Gromer, was very helpful and professional. The tech, Ryan Hellrung, worked through lunch to complete the repair that day. Hats off to both of these Lou Fusz employees.
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
2022 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
COULDNT ASK FOR BETTER SERVICE, GO SEE JOHN IN SERVICE TO
COULDNT ASK FOR BETTER SERVICE, GO SEE JOHN IN SERVICE TO GO ABOVE AND BEYOND YOUR NEEDS
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
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
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
2023 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
So easy, Emily is the Bomb
I always dread the car buying process, it’s long and you need to play the game. But Emily listened to my wants and needs. Honored my wishes on certain cars. She worked for me not for what the finance company wanted. Thanks Emily!! For the easiest car buying experience ever!






Used
2023 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
From the first time I set foot on the Buick car lot, Beau
From the first time I set foot on the Buick car lot, Beau set off a great car search experience for me and my family. Not only was he awesome but everyone I met there was warm, friendly and caring. The O'Fallon Buick GMC not only brought back my faith in a car salesperson but also purchasing at a car dealership. From the salesman to the financial department each person took time to make sure you understood exactly what was happening. Hopefully, I want have to purchase another car for a while, but if so, I know where to go.






GMC Certified
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Overall good drove over three hours to arrive, pain that
Overall good drove over three hours to arrive, pain that policy is they don?t accept checks or certified checks when purchasing outright. Did money transfer before leaving home and waited an hour at dealership for verification of transfer total four hours (ridicules). Other than that process was simple enough.






Used
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Charlies was our salesman and was great to work with.
Charlies was our salesman and was great to work with. we came to test drive a truck & possibly trade ours in. He was informative and worked with us on the whole process. Deal went great and went away with a new truck to us and the trade in value we got on ours was within our expectations. Would go back again. Smooth transaction!!! Highly recommend Charlie!!






GMC Certified
2020 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Great service!
Great service!I was picked up at the airport in a very timely manner.I recommend this dealership to anyone I meet that is looking for a vehicle.
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.






GMC Certified
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
It was a great experience, I purchased the 2020 GMC
It was a great experience, I purchased the 2020 GMC Canyon Denali from Laura Buick GMC, I love the vehicle and service rendered by the dealership was incredible. They are a great dealership to patronize because they make their customers feel valued.






Used
2023 GMC Sierra 2500 AT4
Vehicle information
Features






Used
2025 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Adam Killian and Randy were awesome!
Adam Killian and Randy were awesome! This has been the best experience we’ve had!






Used
2022 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Bruno was awesome and determined to get me the vehicle
Bruno was awesome and determined to get me the vehicle that I wanted. Which he did. he was selfless and made sure that everything was convenient for me. I highly recommend anyone seeking a new car to go to Bruno.






Used
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
We love our new SUV!
We love our new SUV! Kelly was great to work with! She is a straight shooter.






Used
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
We had the best experience with Autocenters Nissan.
We had the best experience with Autocenters Nissan. Our salesman Nikolas Kennedy was amazing. He worked with us to get the best possible deal that worked for us. We love our new Nissan Frontier ❤️ We highly recommend Autocenters Nissan 😊 Robert Smith






Used
2024 GMC Sierra 2500 AT4
Vehicle information
Features






Used
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Love this dealership!
Love this dealership! The new location is wonderful - I send my family here. My brother bought a car, and loves it!






Used
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
As a woman who honestly knows nothing about cars, I was
As a woman who honestly knows nothing about cars, I was nervous that I was going to be conned into things I didn’t need. I was lucky enough to have Mike help me who was extremely professional, friendly, and explained in detail what I needed now and suggestions for services repairs that were not needed immediately. I never felt pressured but ended up doing everything. There is no other dealership I will use in the future!

Used
2022 GMC Sierra 2500 AT4
Vehicle information
Features
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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.
**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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GMC Sierra 2500 Denali
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