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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 3500 trucks
for sale
near
Boulder, CO
- 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
2025 GMC Sierra 3500 AT4
Vehicle information
Features
Reviews
Best Car Buying Experience EVER
I have bought a lot of vehicles in my life time but this was by far the easiest and most pleasurable car buying experience I have ever had. I sent an email to the dealership around 1:45pm to inquire about a car, drove to the dealership at 5:00pm and drove home at 7:30pm that same day. Ricky in sales was amazing, easy to deal with, I told him what I needed and he took care of it without a bat of an eye!! I will refer anyone to this dealership and specifically to Ricky Pim. Thank you guys!! you are the best! PS - Finance guy, equally as great!! Jersey!
Used
2021 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
Good customer service and repair.
Good customer service and repair. Thanks ?? Keep up the good work. I?ll be back for more device later on in the new year. Have a great holiday
Truck is a Solid vehicle overall.
Has a really Big feel to it. I currently use mine to pull gooseneck trailer. I haven't had a load yet that I couldn't pull. The downsides to this truck is to me I feel it could get better fuel mileage. Also I had trouble with #4 injector...dealership replaced it. Now my AC doesn't work all the time. Although it sounds like it's blowing it isn't.
Used
2022 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
I had a great experience as a first time buyer from a
I had a great experience as a first time buyer from a dealership and my sales representative was extremely polite and very helpful in helping me purchase a vehicle that I liked.
Love my GMC HD
I ordered a 2022 3500 SRW Pro LB Double cab 4x4 in silver metallic / blk cloth. Added preferred package; gooseneck pkg; X31; upgraded wheels; camper/Snowplow prep; black steps. Got the 6.6 gas L8T. No start/stop and runs on all 8 cylinders all the time. I Love this truck. Had Rams and Fords in past. This is my first GM truck. I am in my 50s so not a brand thing... just a great truck. It was delivered in June. Truck rides great, tows very well, reciever or gooseneck. Fuel mileage is outstanding! Especially for a 4x4 one ton. I get 16 to 18 highway when not towing. I was shocked by how well it did and impressed with towing mpg as well. I generally tow between 6 and 14,000 lbs. Loads include a Glacier bay catmaran boat, 30' camper, and 3 axle 25' gooseneck. Truck easily handles those loads. The L8T engine is smooth and powerful. The 6L90 Transmission functions perfectly. If something were to happen to this truck I would not hesitate to order an exact replacement. So far very satisfied. MSRP as ordered was $53,945.
Used
2021 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
No one likes the process of buying a car, but AutoNation
No one likes the process of buying a car, but AutoNation Southwest actually made it a pleasant experience for me! Sadie and then Lauren were both awesome to work with, professional, knowledgable about the vehicle (Jeep Wrangler Rubicon) that I was looking for, and they were both able to help me, without any bickering and in-fighting like I have seen at other dealerships. Financing was pretty quick, and the dealership was very accommodating about letting me swap Jeep mods out with the new one I purchased. Like they let me switch my after market 37' wheels, so I could have my wheels on my new Jeep. The entire process was as enjoyable as it can be, I felt heard, taken care of and respected. I will 100% buy a car from AutoNation Southwest again. Even if you have had a bad experience at one of the other AutoNation dealerships (I am talking about you, AutoNation West) give ANSW a try, you will not be disappointed. But ask for Sadie or Lauren...they are rockstars!!
Love it.
I love the new features this truck offers. I would highly recommend this truck if your looking for a Diesel. I provides all the features and benefits you would want.
Certified
2024 GMC Sierra 3500 AT4
Vehicle information
Features
Reviews
Bought a used 2018 F150
Sherry was easy to work with and made buying my truck hassle free. I would recommend this team to anyone.
2024 GMC 3500HD AT4
This review is for a two week old truck. I have been trying to get a 3500HD AT4, gas engine, 8 foot bed, 5th wheel prep, in blue for over a year (almost 2). My dealer finally received an allocation and I was off for the build!! However, when my build order was sent to me the color had defaulted to black (blue was discontinued for 2024) and the only way to change it was to cancel and start over.....so black it is!! The truck is gorgeous and much larger than I thought! I am pleased with both exterior styling and the 2024 interior refesh. My only complaint is the seats, they are a bit firm.....still comfy....but firm. The GM sunroof is small, so small I passed on the option. Mechanically this truck is a pretty sound design. Another 50hp for the 6.6L gas engine would be nice, but 401hp is pretty decent. A PTO offering in the up level trims would be nice, as would a larger/dual fuel tank option is needed (GM is the only one that doesn't offer one), and a factory level in the front, and while I am dreaming a front locking differential. GM could up thier paint game, when approaching 90k I expect better paint. Value wise it is as good if not better than the rest of the over priced trucks on the market. Rumor is 20K per unit on average goes to the UAW pension, that's why your 50k truck costs 70k. In closing I have zero regrets other than the color, but I needed it immediately so here I am.
Used
2023 GMC Sierra 3500 AT4
Vehicle information
Features
Reviews
Fantastic place to buy from
No pressure sent car up from Springs location to make it easier on us, Let us look it over, drive it, never any pressure. Andy and Shana are great Also a great family owned business, no haggling, no hidden costs you need to stop in and check for you next car here!!!
Used
2020 GMC Sierra 3500 Denali
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Features
Reviews
Quick and easy the staff was amazing and lots of car to
Quick and easy the staff was amazing and lots of car to select from would recommend
Great Diesel truck when emission sensors work
Great vehicle for pulling my fifth wheel RV which weighs around 20,000 pounds. This dually truck pulls the RV very nicely without any significant strain on the engine or the transmission. However, like all of today's diesel engines there are 4 different system of emissions on this truck. Each one of these emission systems has sensors associated with them. If one of these sensors goes bad the truck will not perform optimally and sometimes it will go into the limp mode. Unfortunately this is not unique to GMC trucks. All manufacturers are battling this system. Also, I have had to take the truck to the dealer for computer upgrades in order to improve performance. I wish these upgrades could be performed on line (through wifi or with my own phone service). It sure would make things a lot simpler and improve the through put of the dealers who are already strained because of the limited number of available diesel mechanics.
Used
2022 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
Sales and finance teams were extremely flexible and
Sales and finance teams were extremely flexible and attentive, listening to my concerns and working to find solutions. They supported 2 different test drives when I had a concern about a specific driving condition, being extremely flexible working around my schedule. Cam, Austin, and Alec worked together to provide answers to all of my questions regarding financing and extended warranties. When a last minute issue arose on a Friday afternoon, their maintenance department obtained the part and swapped it out on a Saturday morning to allow me to pickup the car that afternoon. Communication was excellent, receiving 2 status updates that morning.
Used
2014 GMC Sierra 3500 Denali
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Reviews
Lewis was good I love our cars thank you much for the
Lewis was good I love our cars thank you much for the service I appreciate it
best truck i ever owned
has done everything i needed it to do. ride is good for a ton truck. miss the eight foot bed. i'll get use to the shortbed.
Used
2013 GMC Sierra 3500 SLE
Vehicle information
Features
Reviews
Very nice and friendly staff.
Very nice and friendly staff. Excellent service. Explain and answer customers FAQ . They have different models and deals for every customer what ever your style or your budget.
great fuel mileage
i did not expect to get the great fuel mileage that i'm getting with this size truck, and the power is fantastic.
Used
2008 GMC Sierra 3500 SLE1 Crew Cab
Vehicle information
Features
Reviews
I was selling my 2017 Forester XT to buy an e-bike to
I was selling my 2017 Forester XT to buy an e-bike to commute with instead and it couldn’t have been an easier process. Shawn came to my home, looked over all the paperwork, took a test drive and wrote me a check. He even allowed me to use the car to deposit the check! What a guy!!! Check cleared no problem and the car was picked up two days later at my convenience. Shawn gave me a price over KBB as well as Carvana and with the difference it paid for my bike along with the Colorado rebate. If you need to sell an extra vehicle Shawn and Custom Cars West is the way to go, no questions asked.
Duramax is king
GM truck interior too small, drive train is very dependable. Fast like the sports car of trucks with independent front suspension.
Used
2017 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
Seamless experience
Amazing experience .super patient and no hassle team, completely transparent Charles and Rick took good care of us! I would go back there again with my next purchase
If owned Three Avalanche
It is a strong reliable truck and I would likae to have one for myself as a work truck and hauling heavy equipment like a man lift and compressor and still do some light duty work
Used
2023 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
Rafael H was very attentive to what we were looking for
Rafael H was very attentive to what we were looking for in a clean used diesel p up . His assistance in our purchase with our purchase was very good . professional, not pushy Gerald & Kay Schreiber
Used
2016 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
sweet
Great Trucks! Owned quite a few and they never let me down and seem to hold their value. I will keep buying them for as long as I can.
Vehicle information
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Reviews
Straight up
Easiest car deal I have ever done. I have and will recommend them to anyone. I will be back the next time I buy another truck. Thank you guys. It was worth the 2 hour drive.
Used
2018 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
Review
No pressure, really easy to work with. Worked with me on my trade in.
An overall nice truck but for a person at my size(5,11)
An overall nice truck but for a person at my size(5,11) the mirrors and posts really block the view. My tinted windows really amplify the problem. The hood also takes a bit of room for a short person. Its a comfortable ride and works well in my line of work in excavation. The sound muffler in the hood makes you think something is wrong but apparently its not.
Used
2018 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
Great experience with Berkenkotter Rastle Rock.
We had an excellent experience working with Dan & Wade on the purchase of our new vehicle. The sales team helped us through the process and were incredibly patient. Used vehicle prices are out of control and it's comforting to know there are car dealers that go the extra mile. I would rate our buying experience 10/10. We will be back when looking for another vehicle. Give them an opportunity to earn your business!
I have had to of these before and I drive the xxxx
Just what I was looking for and the price was right. The color was the same as the truck I traded in. We have purchased a bumper pull camper and now mountain passes will feel like flat roads!!
Certified
2022 GMC Sierra 3500 SLT
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Features
Reviews
Malachi contacted me immediately about the Certified 2022
Malachi contacted me immediately about the Certified 2022 Volkswagen Taos 1.5T SEL. Malachi communicated effectively, so chill, amazing costumer service, and he made this process was easy and painless for me. I would highly recommend Malachi with Phil Long Ford!
Used
2022 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
I was interested in a new GMC Acadia, specific features
I was interested in a new GMC Acadia, specific features and model. Zac Taylor worked very hard to bring a vehicle from the Colorado Springs store. He had everything outfitted as needed, worked out details remotely, then delivered it to me in the mountains. I drove away a great new vehicle at an outstanding price point. Thank you Zac for all of your hard work during this car purchase!
Used
2023 GMC Sierra 3500 Denali
Vehicle information
Features
Reviews
Super Satisfied
I recently purchased a truck from SAG Denver, I have had a very positive and professional experience with the sales and service departments. I normally avoid dealerships at all costs, however I came across a beautiful truck that I was having difficulty finding on the private market. I enquired online and was replied to very expediently. I received a no pressure call from a sales person who scheduled an appointment with me. When I arrived, I was greeted and assisted immediately. I test drove the truck with Tracey, who by the way, I highly recommend working with. After driving and inspecting the truck for a bit, I detected what is a common mechanical problem with that type of truck. I brought it up to Tracey and the sales manager Dan and my concerns were immediately acknowledged and validated. Dan did not try to gloss over my concern or argue that there was an issue, instead, he gracefully offered to have the repairs made along with any other contributing or resulting damage as needed. I left the truck with them to begin the repairs, unfortunately it was a bit more involved than originally thought. There ended up being a significant amount of engine work needed, nothing that could have possibly been detectable without opening up the motor. I think most dealerships would have somehow tried to find a way to charge me or unwind the deal rather than proceed with completing all necessary repairs and making the truck run properly. I have several other vehicles so I wasn't by any means inconvenienced, however I did purchase the truck because I had to haul some things for family. After the repairs ran into an extended period of time I did email to express my concerns, I received a call from Dan offering me another truck from their inventory until the repairs were completed on mine. I can't express enough how impressed and pleased I am with the entire experience with Springs Automotive in Denver, I would definitely recommend them and would buy from them again.
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GMC Sierra 3500 prices by year
| Model year | Average price | Deals |
|---|---|---|
| 2026 GMC Sierra 3500 | $88,041 |
About the GMC Sierra 3500
How much does the GMC Sierra 3500 cost?
The GMC Sierra 3500 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for the Sierra 3500 is $57,382, with pricing starting at $5,988.
What are some similar vehicles and competitors of the GMC Sierra 3500?
The GMC Sierra 3500 compares to and/or competes against the following vehicles:
What trim levels are available for the GMC Sierra 3500?
The GMC Sierra 3500 is available in the following trim levels:
What model years are available for the GMC Sierra 3500?
Available model years for GMC Sierra 3500 inventory range from 2007 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 3500 by price
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Compare the GMC Sierra 3500
Used GMC Sierra 3500 by city
-
GMC Sierra 3500 in Pine Brook Hill, CO
5 Great Deals out of 25 listings starting at $14,980
-
GMC Sierra 3500 in Paragon Estates, CO
9 Great Deals out of 40 listings starting at $14,980
-
GMC Sierra 3500 in Gunbarrel, CO
9 Great Deals out of 35 listings starting at $14,980
-
GMC Sierra 3500 in Lazy Acres, CO
6 Great Deals out of 24 listings starting at $14,980
-
GMC Sierra 3500 in Eldorado Springs, CO
9 Great Deals out of 40 listings starting at $14,980
-
GMC Sierra 3500 in Louisville, CO
9 Great Deals out of 41 listings starting at $14,980
-
GMC Sierra 3500 in Niwot, CO
10 Great Deals out of 41 listings starting at $14,980
-
GMC Sierra 3500 in Altona, CO
8 Great Deals out of 30 listings starting at $14,980
-
GMC Sierra 3500 in Superior, CO
9 Great Deals out of 43 listings starting at $14,980
-
GMC Sierra 3500 in Lafayette, CO
9 Great Deals out of 40 listings starting at $14,980
-
GMC Sierra 3500 in Coal Creek, CO
7 Great Deals out of 33 listings starting at $19,950
-
GMC Sierra 3500 in Erie, CO
15 Great Deals out of 57 listings starting at $14,980
GMC Sierra 3500 by trim
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GMC Sierra 3500 Denali
4 Great Deals out of 27 listings starting at $28,999
Used GMC Sierra 3500 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.
